Evaluation of Crop Tolerance and Weed Control in Corn and Grain Sorghum with Atrazine Replacements

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Total Pages : 220 pages
Book Rating : 4.:/5 (113 download)

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Book Synopsis Evaluation of Crop Tolerance and Weed Control in Corn and Grain Sorghum with Atrazine Replacements by : Jacob Thomas Richburg

Download or read book Evaluation of Crop Tolerance and Weed Control in Corn and Grain Sorghum with Atrazine Replacements written by Jacob Thomas Richburg and published by . This book was released on 2019 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atrazine is a foundational herbicide for weed control in both corn (Zea mays L.) and grain sorghum [Sorghum bicolor (L.) Moench] production. However, studies have shown that while atrazine may be an effective herbicide for preemergence and postemergence control of weeds, it also has risks. The low Koc of atrazine as well as its extensive use over the past 50 years have led it to become the most common groundwater contaminant near agricultural soils. Given these findings, atrazine has faced severe scrutiny while under consideration for reregistration. In the event that atrazine is not reregistered, corn and grain sorghum producers will be forced to seek alternative herbicides for weed control. Therefore, research was conducted in 2017 and 2018 to test the tolerance of corn and grain sorghum to other photosystem II-inhibiting herbicides in combination with other herbicides and also to test weed control with and without atrazine in corn production systems. When applied preemergence in grain sorghum, all PSII herbicides tested reduced grain sorghum yield compared to atrazine treatments. However, when applied postemergence, diuron, fluometuron, linuron, metribuzin, prometryn, propazine, and simazine did not cause grain sorghum to suffer yield loss when compared to atrazine-containing treatments. When applied preemergence in corn, diuron, linuron, metribuzin, and simazine did not cause yield loss to corn when compared to atrazine. However, when applied postemergence in corn, only corn treated with metribuzin and simazine yielded comparable to corn treated with atrazine. Weed control studies displayed that Palmer amaranth (Amaranthus palmeri S. Wats), pitted morningglory (Ipomoea lacunosa L.), and broadleaf signalgrass [Echinochloa crus-galli (L.) P. Beauv.] can all be controlled without atrazine; however, weed density was low in these studies. This research demonstrates some potential PSII-inhibiting herbicides should be further evaluated to assist corn and grain sorghum producers in controlling weeds if atrazine is not reregistered or its use is severely limited.

Use of Acetolactate Synthase-inhibiting Herbicides in Inzen Grain Sorghum (Sorghum Bicolor L. Moench Ssp. Bicolor)

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ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Use of Acetolactate Synthase-inhibiting Herbicides in Inzen Grain Sorghum (Sorghum Bicolor L. Moench Ssp. Bicolor) by : Hunter Bowman

Download or read book Use of Acetolactate Synthase-inhibiting Herbicides in Inzen Grain Sorghum (Sorghum Bicolor L. Moench Ssp. Bicolor) written by Hunter Bowman and published by . This book was released on 2020 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grain sorghum is typically grown as a rotational crop in Arkansas because of its many benefits, one being the effective control of Palmer amaranth through the use of atrazine. However, limited options exist for postemergence (POST) control of weedy grasses within the crop. Inzen™ grain sorghum is the result of a nicosulfuron resistant weedy sorghum biotype cross-bred with a commercial line of grain sorghum. Inzen™ allows for safe use of over-the-top applications of nicosulfuron within the crop. Nicosulfuron is an acetolactate synthase (ALS)-inhibiting herbicide, which has historically been used in corn for control of weedy grasses. Experiments were conducted in 2016 and 2017 to (1) evaluate the tolerance of Inzen™ grain sorghum to various herbicides in Weed Science Society of America Group 2 ALS-inhibiting herbicides, (2) evaluate weed control programs utilizing nicosulfuron, and (3) determine the sensitivity of conventional grain sorghum to low rates of nicosulfuron and glufosinate. Results indicate Inzen™ grain sorghum was tolerant to ALS-inhibiting herbicides evaluated when applied directly to the soil prior to crop emergence (PRE). When ALS-inhibiting herbicides were applied to Inzen™ grain sorghum at the V4 growth stage, a high level of resistance was observed to all herbicides, with the exception of bispyribac-Na, which resulted in 20% visible injury and a 35% yield reduction. Additionally, weed control programs utilizing S-metolachlor preemergence and nicosulfuron + atrazine applied POST resulted in a yield increase along with acceptable control of both Palmer amaranth and johnsongrass. Finally, conventional grain sorghum appeared to be most sensitive to low rates of nicosulfuron and glufosinate at V8, flagleaf, or heading growth stages. Yield reductions of up to 96% were observed from rates of nicosulfuron equivalent to 1/10X of a labeled use rate. Nomenclature: Inzen; atrazine; byspyribac; glufosinate; nicosulfuron; S-metolachlor; johnsongrass, Sorghum halepense L. Pers.; Palmer amaranth, Amaranthus palmeri S. Wats.; corn, Zea mays L.; grain sorghum, Sorghum bicolor L. Moench ssp. bicolor.

Evaluation of Herbicide Programs in Acetolactate Synthase-resistant Grain Sorghum

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)

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Book Synopsis Evaluation of Herbicide Programs in Acetolactate Synthase-resistant Grain Sorghum by : Eric Alan VanLoenen

Download or read book Evaluation of Herbicide Programs in Acetolactate Synthase-resistant Grain Sorghum written by Eric Alan VanLoenen and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The acetolactate synthase inhibitor herbicide-resistant grain sorghum technology introduced will allow for the application of nicosulfuron for postemergence (POST) grass control, however it is essential to determine a program-based approach to ensure broad spectrum weed control. Field experiments were conducted at three locations across Kansas in 2015 and 2016 to assess a range of possible herbicide programs for grass and broadleaf weed control and crop tolerance using InzenTM Sorghum. The experiments consisted of 1 early pre-plant (EPP), 2 preemergence (PRE), and 3 POST, and 5 PRE followed by POST herbicide treatments. Weed control and crop response were evaluated visually at 1, 2, and 4 weeks after POST treatment (WAPT). Treatments containing nicosulfuron and/or bromoxynil & pyrasulfotole caused 10 to 20% crop injury at 1 WAPT in both 2015 and 2016 at the three locations. Treatments containing nicosulfuron + dicamba caused up to 30% injury with more injury in 2015 than in 2016. In 2015 at Manhattan the nicosulfuron-only treatment provided 64% control of Palmer amaranth and, when tank mixed with dicamba or bromoxynil & pyrasulfotole, control ranged from 71 to 76%. When nicosulfuron POST followed PRE of S-metolachlor & atrazine, Palmer amaranth control was 96 to 100%. At both locations, nicosulfuron provided 35, 55, and 61% control of large crabgrass, yellow foxtail, and stinkgrass, respectively. Annual grass control ranged from 85 to 100% when nicosulfuron followed a PRE S-metolachlor & atrazine. Greenhouse experiments were set up to determine the efficacy of nicosulfuron on four annual grass species at six different rates, two different rates, and the addition of atrazine. The four grass species evaluated were large crabgrass, yellow foxtail, barnyardgrass, and wheat. Nicosulfuron was applied at 0.125, 0.25, 0.5, 1, 2 times its labeled rate of 35 g ha−1. A full factorial of rate by height by atrazine was applied for a total of 24 treatments replicated 4 times on each species. Each nicosulfuron rate was applied with and without atrazine at 840 g ha−1 on 5 to 10 cm tall plants and on 15 to 20 cm tall plants. Visual ratings were taken 1, 2, and 4 weeks after treatment (WAT). Aboveground biomass was harvested 4 WAT, dried and weighed. Treatments containing nicosulfuron from 4.4 to 70 g ha−1 all caused similar reduction in biomass compared to the nontreated check. Averaged over the inclusion of atrazine, nicosulfuron applied at 35 and 70 g ha−1 provided 17% less control when treating 15 to 20 cm large crabgrass compared to the 5 to 10 cm large crabgrass, respectively. Overall barnyardgrass, yellow foxtail, and wheat can be effectively controlled with nicosulfuron when applied at proper heights, rate, and atrazine.

Variable-rate Applications of Soil-applied Herbicides in Corn and Grain Sorghum

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Variable-rate Applications of Soil-applied Herbicides in Corn and Grain Sorghum by : Garrison James Gundy

Download or read book Variable-rate Applications of Soil-applied Herbicides in Corn and Grain Sorghum written by Garrison James Gundy and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Field experiments were conducted in 2016 and 2017 across nine locations in Kansas to develop and evaluate a procedure for variable-rate applications (VRA) of soil-applied herbicides in corn and grain sorghum based on soil properties. Soil electrical conductivity (EC) and soil organic matter (SOM) data were collected at each location using a Veris MSP3. Soil EC was correlated to soil texture and herbicide algorithms were developed for two different tank-mixes for corn and for grain sorghum. Three algorithms were evaluated in the field for each tank-mix based only on SOM (alg-SOM), SOM and soil texture (alg-SOMtex), or a flat rate based on the average soil properties for the entire field. Rates for each tank-mix were based on the maximum usage rate (MUR) allowed. When soil variability across a field was adequate, VRA based on algorithms were effective at five of the nine locations. Across these five locations, alg-SOM resulted in the same or better weed control at 8 weeks after treatment (WAT) compared to the flat rate and reduced herbicide use by 12% for both tank-mixes in grain sorghum. Using alg-SOMtex reduced herbicide use by 24% in grain sorghum, but had less weed control at several locations compared to the flat rate. VRA was practical at Morganville, KS in 2017. Both alg-SOM and alg-SOMtex increased the amount of herbicide applied compared to the flat rate, but alg-SOMtex resulted in greater Palmer amaranth control (92%) compared to the flat rate (71%). Separate greenhouse and field experiments were conducted in 2017 to evaluate the activity of soil-applied herbicides on controlling HPPD-inhibitor resistant Palmer amaranth populations. A dose-response greenhouse experiment of soil-applied mesotrione and isoxaflutole was performed using resistant (Stafford County) and susceptible (Riley County) Palmer amaranth populations. Reduced susceptibility was observed with resistant-to-susceptible ratios being 7.2 for mesotrione and 4.1 for isoxaflutole. Field experiments were conducted at two locations in KS with one field having HPPD-resistant (Barton County) and the other HPPD-susceptible (Reno County) Palmer amaranth populations. Treatments were three HPPD-inhibiting herbicides [mesotrione (1⁄4X, 1⁄2X, and 1X = 210 g ha−1), isoxaflutole (1⁄2X and 1X = 105 g ha−1), and bicyclopyrone (1X = 50 g ha-1 and 2X in formulated tank-mix with bromoxynil at 700 and 1400 g ha-1)] in comparison to other soil-applied herbicides commonly used for Palmer amaranth control. HPPD-inhibitor treatments were applied alone and tank-mixed with atrazine (2240 g ha−1). Overall, control of Palmer amaranth was reduced for HPPD-resistant compared to -susceptible populations. All treatments of mesotrione and isoxaflutole at 4 WAT resulted in 81 to 99% control in Reno County, but only 55 to 89% control in Barton County. For mesotrione and isoxaflutole treatments across both sites, Palmer amaranth control at 4 WAT was greater when 1X was applied (89%) compared to 0.5X (81%). Tank-mixing atrazine with mesotrione and isoxaflutole increased Palmer amaranth control from 82 to 88%. Soil-applied HPPD-inhibitors were most effective when applied at field usage rate in combination with atrazine for both populations. When using soil-applied HPPD-inhibitors, management recommendations should be the same regardless of Palmer amaranth population.

The Influence of Rate, Time of Application and Oil on the Effectiveness of Herbicides in Controlling Weeds in Grain Sorghum

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ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis The Influence of Rate, Time of Application and Oil on the Effectiveness of Herbicides in Controlling Weeds in Grain Sorghum by : Tsegazeab Woldetatios

Download or read book The Influence of Rate, Time of Application and Oil on the Effectiveness of Herbicides in Controlling Weeds in Grain Sorghum written by Tsegazeab Woldetatios and published by . This book was released on 1971 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Weed Control in Corn and Grain Sorghum

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ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (377 download)

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Book Synopsis Chemical Weed Control in Corn and Grain Sorghum by : Charles William Swann

Download or read book Chemical Weed Control in Corn and Grain Sorghum written by Charles William Swann and published by . This book was released on 1985 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Grass Weed Ecology and Control of Atrazine-resistant Palmer Amaranth (Amaranthus Palmeri) in Grain Sorghum (Sorghum Bicolor)

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ISBN 13 :
Total Pages : pages
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Book Synopsis Grass Weed Ecology and Control of Atrazine-resistant Palmer Amaranth (Amaranthus Palmeri) in Grain Sorghum (Sorghum Bicolor) by : Jeffrey J. Albers

Download or read book Grass Weed Ecology and Control of Atrazine-resistant Palmer Amaranth (Amaranthus Palmeri) in Grain Sorghum (Sorghum Bicolor) written by Jeffrey J. Albers and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An opportunity for postemergence (POST) grass weed control has recently been approved with ALS-resistant grain sorghum, however, grass weed emergence timing and crop tolerance to grass competition are not well understood. To address the importance of POST application timing, a critical period of weed control (CPWC) for grass competition in grain sorghum was developed. Field experiments were established near Manhattan and Hays, KS in 2016 and 2017, and near Hutchinson, KS in 2017 to determine the CPWC. Each site provided a different grass species community. A total of ten treatments were included, with four treatments maintained weed-free until 2, 3, 5, or 7 weeks after crop emergence, four treatments receiving no weed control until 2, 3, 5, or 7 weeks after crop emergence, and two treatments were maintained weed-free or weedy all season. Treatments did not influence grain yield at Hutchinson because of a lack of season-long weed emergence. At Hays the CPWC began at crop emergence and ended 28 days later. At Manhattan the CPWC began 27 days after emergence and continued through grain harvest. The CPWC in grain sorghum depends on rainfall and competitive ability of the weed species. The start of the CPWC began when weeds emerged, thus a POST application should be targeted 14 to 21 days after emergence of grain sorghum. Emergence and development of large crabgrass, barnyardgrass, shattercane, and giant, green, and yellow foxtails were studied near Manhattan, KS after seeding on April 11, 2017. Barnyardgrass had the longest duration of emergence, beginning at 180 GDD after seeding and continuing through July. Large crabgrass had the shortest duration of emergence from 325 to 630 GDD after seeding. In general, all grasses began to emerge in late April and most species completed 90% emergence by early June. Grain sorghum is typically planted at this time, so grass weed control prior to planting is critical. Palmer amaranth is a troublesome weed in double-crop grain sorghum production fields in Kansas. The presence of herbicide-resistant populations limits options for weed management. Field experiments were conducted to evaluate 14 different herbicide programs for the management of atrazine-resistant Palmer amaranth in double-crop grain sorghum at Manhattan and Hutchinson, KS in 2016 and 2017. Programs included eight PRE only and six PRE followed by POST treatments. Programs that had very long chain fatty acid-inhibiting herbicides provided greater control of atrazine-resistant Palmer amaranth by three weeks after planting sorghum. Programs of PRE followed by POST provided greater control of both atrazine-resistant and -susceptible Palmer amaranth by eight WAP compared to PRE alone. These results illustrate the value of residual herbicides, as well as an effective postemergence application, in double-crop grain sorghum. Early season grass and Palmer amaranth control with the use of residual herbicides such as very long chain fatty acid-inhibitors provide a competitive advantage to grain sorghum. Utilizing weed emergence patterns to time effective POST applications, in unison with residual herbicides, will provide season-long weed control in Kansas grain sorghum fields.

Chemical Weed Control in Corn and Grain Sorghum

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ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (75 download)

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Book Synopsis Chemical Weed Control in Corn and Grain Sorghum by : Charles W. Swann

Download or read book Chemical Weed Control in Corn and Grain Sorghum written by Charles W. Swann and published by . This book was released on 1983 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of HPPD-inhibiting Herbicides and Tolerance of Sweet Corn (zea Mays) Hybrids to Postemergence Herbicides

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ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Evaluation of HPPD-inhibiting Herbicides and Tolerance of Sweet Corn (zea Mays) Hybrids to Postemergence Herbicides by : Joseph D. Bollman

Download or read book Evaluation of HPPD-inhibiting Herbicides and Tolerance of Sweet Corn (zea Mays) Hybrids to Postemergence Herbicides written by Joseph D. Bollman and published by . This book was released on 2008 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physiological, Genetic and Genomic Analyses of Herbicide Resistance in Grain Sorghum (Sorghum Bicolor)

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ISBN 13 :
Total Pages : pages
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Book Synopsis Physiological, Genetic and Genomic Analyses of Herbicide Resistance in Grain Sorghum (Sorghum Bicolor) by : Balaji Aravindhan Pandian

Download or read book Physiological, Genetic and Genomic Analyses of Herbicide Resistance in Grain Sorghum (Sorghum Bicolor) written by Balaji Aravindhan Pandian and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Grain sorghum [Sorghum bicolor (L.) Moench ssp. bicolor] is a versatile crop with multiple uses, including for food, feed, and fuel. Postemergence (POST) grass weed control continues to be a major challenge in grain sorghum, primarily due to a lack of herbicide options registered for POST use. The 4- hydroxyphenylpyruvate dioxygenase (HPPD)- (e.g., mesotrione or tembotrione) and acetolactate synthase (ALS)- inhibitor (e.g., chlorsulfuron) herbicides are used for POST control of a broad-spectrum of weeds including grasses in corn and wheat but not in sorghum, due to crop injury. The development of herbicide-resistant sorghum technology to facilitate broad-spectrum POST weed control can be an economical and viable solution. Previously we have identified four sorghum genotypes, two each resistant to mesotrione (G-1 and G-10), tembotrione (G-200 and G-350) and, one susceptible genotype (S-1) from the sorghum association panel. Further, we found that the genotype S-1 is highly resistant to chlorsulfuron. The objectives of this dissertation were to 1) investigate the inheritance, mechanism, and identify genetic loci conferring resistance to mesotrione and tembotrione, 2) characterize, and investigate the inheritance and mechanism of resistance to chlorsulfuron in grain sorghum. To understand the inheritance of the mesotrione and tembotrione resistance, F1 and F2 progeny were generated by performing crosses using S-1 and G-1, G-10, G-200, or G-350. The F1 and F2 progeny were evaluated for their response to various doses of mesotrione and tembotrione treatment. Likewise, chlorsulfuron dose-response experiments were conducted using S-1 along with BTx623, a susceptible check and also F1 and F2 progeny were generated by crossing S-1 and BTx623. The results of genetic analyses of the F1 and F2 progeny demonstrated that the mesotrione resistance in G-1 and G-10 is a single dominant trait, and while the tembotrione resistance in G-200 and G-350 is a partially dominant polygenic trait. Further, sequencing of HPPD gene, the molecular target of mesotrione and tembotrione in the resistant genotypes, revealed no mutations known to bestow resistance. Additionally, the role of cytochrome P450 (CYP) in metabolizing mesotrione and tembotrione, using CYP-inhibitors, malathion and piperonyl butoxide (PBO) was also assessed. The results indicated a significant reduction in biomass accumulation in sorghum plants pre-treated with malathion or PBO, suggesting the involvement of CYPs in the metabolism of mesotrione and tembotrione. Bulk segregation analysis combined with RNA-Seq (BSR-seq) was used to identify the genomic region associated with mesotrione resistance; however, the sequence analyses was unable to map the resistance gene within a smaller interval. Genotype-by-sequencing (GBS) based quantitative trait loci (QTL) mapping revealed three QTLs associated with tembotrione resistance in G-200. The results of the chlorsulfuron dose-response assay indicated that S-1 and F1 progeny were ~20-fold, more resistant to chlorsulfuron relative to BTx623. Segregation of F2 progeny into 3:1 (resistance: susceptibility), suggested that chlorsulfuron resistance in S-1 is a single dominant trait. Sequence analysis of the ALS gene, the molecular target of chlorsulfuron from S-1 revealed no mutations that confer resistance to chlorsulfuron; however, a significant reduction in biomass accumulation was found in plants pre-treated with malathion, indicating that the metabolism of chlorsulfuron contributes to resistance in S-1. Overall, the results of this dissertation provide opportunities to develop herbicide-resistant sorghum hybrids via introgression, which can help effective, POST weed management.

Evaluation of Chlorsulfuron for Weed Control in Winter Wheat (Triticum Aestivum L.) and Its Effect on Subsequent Recropping with Soybeans (Glycine Max (L.) Merr.) Or Grain Sorghum (Sorghum Bicolor (L.) Moench)

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ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Evaluation of Chlorsulfuron for Weed Control in Winter Wheat (Triticum Aestivum L.) and Its Effect on Subsequent Recropping with Soybeans (Glycine Max (L.) Merr.) Or Grain Sorghum (Sorghum Bicolor (L.) Moench) by : Michael Scott Leetch

Download or read book Evaluation of Chlorsulfuron for Weed Control in Winter Wheat (Triticum Aestivum L.) and Its Effect on Subsequent Recropping with Soybeans (Glycine Max (L.) Merr.) Or Grain Sorghum (Sorghum Bicolor (L.) Moench) written by Michael Scott Leetch and published by . This book was released on 1985 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Weed Control in No-till Corn, Grain Sorghum and Soybean Production

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (351 download)

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Book Synopsis Weed Control in No-till Corn, Grain Sorghum and Soybean Production by :

Download or read book Weed Control in No-till Corn, Grain Sorghum and Soybean Production written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Weed Control Investigations in Non-Delta Corn, Grain Sorghum, Wheat, and Turfgrasses, 1986

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ISBN 13 :
Total Pages : 95 pages
Book Rating : 4.:/5 (149 download)

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Book Synopsis Weed Control Investigations in Non-Delta Corn, Grain Sorghum, Wheat, and Turfgrasses, 1986 by : George Euel Coats

Download or read book Weed Control Investigations in Non-Delta Corn, Grain Sorghum, Wheat, and Turfgrasses, 1986 written by George Euel Coats and published by . This book was released on 1986 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Triazine Herbicides

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Publisher : Elsevier
ISBN 13 : 0080559638
Total Pages : 604 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis The Triazine Herbicides by : Janis Mc Farland Ph.D.

Download or read book The Triazine Herbicides written by Janis Mc Farland Ph.D. and published by Elsevier. This book was released on 2011-08-19 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 50 years, triazines have made a great impact on agriculture and world hunger by assisting in the development of new farming methods, providing greater farming and land use capabilities, and increasing crop yields. Triazines are registered in over 80 countries and save billions of dollars a year. The Triazine Herbicides is the one book that presents a comprehensive view of the total science and agriculture of these chemicals. With emphasis on how the chemicals are studied and developed, reviewed, and used at the agricultural level this book provides valuable insight into the benefits of triazine herbicides for sustainable agriculture. Presents previously unpublished information on the discovery, development and marketing of herbicides Includes a vital section on the origin, use, economics and fate of triazine herbicides Covers benefits of triazines in corn and sorghum, sugarcane, citrus, fruit and nut crops Establishes best management practice and environmental benefits of use in conservation tillage

Physiology of Crop Production

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Publisher : CRC Press
ISBN 13 : 9781560222897
Total Pages : 366 pages
Book Rating : 4.2/5 (228 download)

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Book Synopsis Physiology of Crop Production by : N.K. Fageria

Download or read book Physiology of Crop Production written by N.K. Fageria and published by CRC Press. This book was released on 2006-05-16 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This single volume explores the theoretical and the practical aspects of crop physiological processes around the world The marked decrease over the past century in the land available for crop production has brought about mounting pressure to increase crop yields, especially in developing nations. Physiology of Crop Production provides cutting-edge research and data for complete coverage of the physiology of crop production, all in one source, right at your fingertips. This valuable reference gives the extensive in-depth information soil and crop professionals need to maximize crop productivity anywhere the world. Leading soil and plant scientists and researchers clearly explain theory, practical applications, and the latest advances in the field. Crop physiology is a vital science needed to understand crop growth and development to facilitate increases of plant yield. Physiology of Crop Production presents a wide range of information and references from varying regions of the world to make the book as complete and broadly focused as possible. Discussion in each chapter is supported by experimental data to make this book a superb resource that will be used again and again. Chapter topics include plant and root architecture, growth and yield components, photosynthesis, source-sink relationship, water use efficiency, crop yield relative to water stress, and active and passive ion transport. Several figures and tables accompany the extensive referencing to provide a detailed, in-depth look at every facet of crop production. Physiology of Crop Production explores management strategies for: ideal plant architecture maximizing root systems ideal yield components maximizing photosynthesis maximizing source-sink relationship sequestration of carbon dioxide reducing the effects of drought improving N, P, K, Ca, Mg, and S nutrition improving micronutrient uptake Physiology of Crop Production is an essential desktop resource for plant physiologists, soil and crop scientists, breeders, agronomists, agronomy administrators in agro-industry, educators, and upper-level undergraduate and graduate students.

Managing Cover Crops Profitably (3rd Ed. )

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Publisher : DIANE Publishing
ISBN 13 : 1437903797
Total Pages : 248 pages
Book Rating : 4.4/5 (379 download)

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Book Synopsis Managing Cover Crops Profitably (3rd Ed. ) by : Andy Clark

Download or read book Managing Cover Crops Profitably (3rd Ed. ) written by Andy Clark and published by DIANE Publishing. This book was released on 2008-07 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.

Crop Protection. Annual Report of the National Research Programs

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ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Crop Protection. Annual Report of the National Research Programs by : United States. Science and Education Administration

Download or read book Crop Protection. Annual Report of the National Research Programs written by United States. Science and Education Administration and published by . This book was released on 1978 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: