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Influence Of Row Pattern Planting Date And Herbicide Systems On Weed Management And Net Returns In Minimum Tillage Soybeans Glycine Max
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Book Synopsis Influence of Row Pattern, Planting Date, and Herbicide Systems on Weed Management and Net Returns in Minimum-tillage Soybeans (Glycine Max) by : Brian Earl Gamble
Download or read book Influence of Row Pattern, Planting Date, and Herbicide Systems on Weed Management and Net Returns in Minimum-tillage Soybeans (Glycine Max) written by Brian Earl Gamble and published by . This book was released on 1986 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agronomy News written by and published by . This book was released on 1985 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Book Synopsis The Influence of Herbicide Formulation on Weed Control in Four Tillage Systems; Absorption, Translocation, and Metabolism of Bentazon in Tolerant and Susceptible Soybeans [Glycine Max (L.) Merr.] by : Michael D. Johnson
Download or read book The Influence of Herbicide Formulation on Weed Control in Four Tillage Systems; Absorption, Translocation, and Metabolism of Bentazon in Tolerant and Susceptible Soybeans [Glycine Max (L.) Merr.] written by Michael D. Johnson and published by . This book was released on 1987 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrated Weed Management and Herbicide Application Parameters for Herbicide-resistant Soybean in Kansas by : Chad Joseph Lammers
Download or read book Integrated Weed Management and Herbicide Application Parameters for Herbicide-resistant Soybean in Kansas written by Chad Joseph Lammers and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated weed management and herbicide application practices were assessed in field and greenhouse studies to improve weed control in herbicide-resistant soybeans (Glycine max (L.) Merr.) grown in Kansas. The field study was conducted to evaluate weed control, soybean yield, and profitability in two herbicide-resistant soybean systems and two row spacings. 2,4-D-, glyphosate-, and glufosinate- resistant (Enlist E3) and isoxaflutole-, glyphosate-, and glufosinate- resistant (LLGT27) soybeans were planted in 38- and 76-cm row spacing for four site-years. Three herbicide treatments were evaluated in each system: pre-emergence herbicide only (PRE), PRE followed by early post-emergence (POST), and POST plus overlapping residual (POR). Weed control was evaluated every 2 weeks after PRE application through R7 soybean. Weed biomass was collected before POST applications and at R7 soybean. Soybean yield was recorded at harvest. Data were subjected to analysis of variance and means separation. In Ottawa during 2020, POST and POR treatments resulted in ≥ 99% control for all species four WAT, while PRE resulted in ≥ 84% control. Similarly, control at Ashland Bottoms was ≥ 90% for POST and POR treatments, while PRE resulted in 7% for isoxaflutole- 62% for 2,4-D-resistant soybeans. All treatments resulted in ≥ 95% control at Scandia in 2021. Row spacing had a minimal effect on weed control and mixed results for yield. In the greenhouse study, the objective was to determine the effect of herbicide combination, optimize carrier volume, and evaluate weed height on weed control. Co-applications of combinations of 2,4-D choline, glyphosate, and glufosinate were applied in carrier volumes of 93-, 140-, and 187- L ha−1to 5-, 10-, and 20-cm Palmer amaranth (Amaranthus palmeri S. Watson) and large crabgrass (Digitaria sanguinalis L.). Visual ratings and above ground biomass were collected four weeks after treatment. Water-sensitive paper was also sprayed with the same herbicide combinations and carrier volumes to evaluate differences in spray coverage. Data were subjected to analysis of variance and means separation. Carrier volume did not affect Palmer amaranth or large crabgrass control. Control of 5-, 10-, and 20-cm Palmer amaranth was 100%, ≥ 91%, and 6.7 to 79%, respectively, and variation was caused by the herbicide combinations. 2,4-D plus glyphosate provided the greatest Palmer amaranth control. Large crabgrass control pooled for both experiments was ≥ 82% when treatments were applied at 5 cm, but control of 10- or 20-cm large crabgrass was reduced to 51 to 56%. There was a carrier volume by herbicide co-application interaction for the number of droplets deposited and percent area covered on water-sensitive paper. Co-applications containing glufosinate had more droplets than those not containing glufosinate. 2,4-D plus glyphosate had the smallest percent area covered, compared to the other herbicide co-applications. Data from the field study confirms that two-pass herbicide programs are superior to PRE- only programs, regardless of the inclusion of a layered residual herbicide. However, this research did not evaluate the impact of layered residual herbicides on weed seed production, which is crucial for long-term weed management. Results from the greenhouse study suggest that under ideal conditions, carrier volume is less important than herbicide combination and weed size for control of Palmer amaranth and large crabgrass.
Book Synopsis Proceedings, Southern Weed Science Society by : Southern Weed Science Society (U.S.)
Download or read book Proceedings, Southern Weed Science Society written by Southern Weed Science Society (U.S.) and published by . This book was released on 1985 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Soybean [Glycine Max (L.) Merr] Row Width and Plant Population of Weed Competition and Soybean Yield and Influence of Stem-boring Insects on Common Lambsquarters [Chenopodium Album (L.)] Control with Glyphosate by : Dana Brian Harder
Download or read book Effect of Soybean [Glycine Max (L.) Merr] Row Width and Plant Population of Weed Competition and Soybean Yield and Influence of Stem-boring Insects on Common Lambsquarters [Chenopodium Album (L.)] Control with Glyphosate written by Dana Brian Harder and published by . This book was released on 2006 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Row Spacing, Planting Date, and Weed Control on Yield and Several Agronomic Characteristics of Four Soybean Varieties G̲l̲y̲c̲i̲n̲e̲ M̲a̲x̲ (L.) Merrill by : Charles A. Shapiro
Download or read book Effect of Row Spacing, Planting Date, and Weed Control on Yield and Several Agronomic Characteristics of Four Soybean Varieties G̲l̲y̲c̲i̲n̲e̲ M̲a̲x̲ (L.) Merrill written by Charles A. Shapiro and published by . This book was released on 1978 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Row Spacing and Planting Date Effect on Yield and Growth Responses of Soybeans by : D. J. Boquet
Download or read book Row Spacing and Planting Date Effect on Yield and Growth Responses of Soybeans written by D. J. Boquet and published by . This book was released on 1983 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Weed Control, Soybean Injury, and Soybean Yield Effects of Common Postemergence Herbicides by : Comfort M. Ateh
Download or read book Weed Control, Soybean Injury, and Soybean Yield Effects of Common Postemergence Herbicides written by Comfort M. Ateh and published by . This book was released on 1997 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Date of Planting and Row Spacing on Yield and Other Agronomic Characters of Four Soybean (Glycine Max L.) Varieties of Different Maturity Classification by : Jack W. King (Jr.)
Download or read book The Effect of Date of Planting and Row Spacing on Yield and Other Agronomic Characters of Four Soybean (Glycine Max L.) Varieties of Different Maturity Classification written by Jack W. King (Jr.) and published by . This book was released on 1975 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Row Spacing, Plant Population, and Varieties on Both Irrigated and Non Irrigated Soybean [Glycine Max (L.) Merrill] Production by : Frank William Pearsall
Download or read book Effects of Row Spacing, Plant Population, and Varieties on Both Irrigated and Non Irrigated Soybean [Glycine Max (L.) Merrill] Production written by Frank William Pearsall and published by . This book was released on 1982 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Roundup Ready and Conventional Soybean (glycine Max L.) Weed Control Systems for Optimizing Yield and Economic Profitability by : Brittany Lee Gaban
Download or read book Comparison of Roundup Ready and Conventional Soybean (glycine Max L.) Weed Control Systems for Optimizing Yield and Economic Profitability written by Brittany Lee Gaban and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research was conducted in 2010, 2011 and 2012 at the East Tennessee Research and Education Center in Knoxville, TN, in order to compare differences in soybean yield among differing levels of weed control within Roundup Ready® [Glyphosate-resistant] (RR)and conventional soybean cultivars to gain a better understanding of the impact different intensities of weed control have on RR and conventional cropping systems. Results determined that after applying the weed control regimens, there was no significant difference (p Glyphosate resistant weeds introduce new challenges and create a more costly weed control regimen, especially when using a RR based soybean cultivation operation. Therefore, calculated economic returns of RR and conventional weed management technologies used in this study were contrasted to determine profitability of each system. In a glyphosate resistant-free environment, the conventional soybean cultivar had a net return of only 0.4% greater than that of the RR cultivar. The comparison of cultivar net return and yield indicates conventional soybean production is competitive to RR productions, however the tremendous use of RR technologies leaves conventional crops vulnerable to potential damage or death due to drift. If glyphosate resistant weeds are present in an environment, RR production and hand hoeing may be the best choice for weed control.
Book Synopsis Harvest Date, Tillage, and Other Agronomic Management Effects on Yield and Seed Quality of Solid-seeded Soybean by : Brent Douglas Philbrook
Download or read book Harvest Date, Tillage, and Other Agronomic Management Effects on Yield and Seed Quality of Solid-seeded Soybean written by Brent Douglas Philbrook and published by . This book was released on 1988 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Plant Cutting and Burndown Herbicides on Weed Management in Double-crop Soybeans Following Winter Wheat by : Colton P. Carmody
Download or read book The Effect of Plant Cutting and Burndown Herbicides on Weed Management in Double-crop Soybeans Following Winter Wheat written by Colton P. Carmody and published by . This book was released on 2021 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The agricultural practice of 'double-cropping,' harvesting two crops from the same piece of land in a single growing season, is a popular practice in Southern Illinois where growers often plant soybeans (Glycine max (L.) Merr.) soon after winter wheat (Triticum aestivum L.) harvest. Horseweed (Conyza canadensis L. Cronq.) competition and lack of control can cause detrimental effects on yield for double-crop producers in Illinois due to the development of multiple herbicide resistance in this weed species. To combat this problem of herbicide resistance, new herbicide-tolerant soybean technologies and new herbicide formulations have been developed, but these technologies will quickly lose efficacy unless stewarded properly. Therefore, our objective for this study was to evaluate the control of horseweed and other weeds and crop yield as influenced by weed-cutting height, herbicide treatments, timing of herbicide application in three studies (a greenhouse study and in-crop and non-crop field studies) with the goal of improving weed management in double-crop soybean. Data obtained from the non-crop study that focused on the evaluation of different cutting heights, herbicide treatments and application timings was observed to be significantly different by weed species evaluated: horseweed, common ragweed (Ambrosia artemisiifolia L.), and Canada goldenrod (Solidago canadensis L.). Horseweed control and biomass accumulation was observed to be strongly influenced by cutting height, where cutting to 15 cm resulted in the greatest control efficacy and reduction in overall biomass irrespective of herbicide treatment used. While application timing following cutting in relation to control efficacy and biomass accumulation was only observed to be significant based upon the translocation properties of the herbicide applied, i.e. contact or systemic. Differences in the perennial weed species Canada goldenrod were observed compared to horseweed; cutting in combination with herbicide treatments resulted in a decrease in control compared to herbicide applications made to noncut Canada goldenrod plants. Data obtained in this study suggest that cutting in combination with the use of effective burndown herbicides may lead to increased control of certain weed species and could be a component of herbicide technology stewardship in double-crop soybeans. The in-crop study focused on evaluating yield potential of burndown herbicides in double-crop soybean systems. Observations from this study revealed that similarly to full-season beans, yield in double-crop soybeans was limited dependent upon the burndown herbicide programs ability to achieve broad-spectrum weed control. When effective burndown herbicides dicamba, glufosinate, and paraquat were combined with herbicides that possessed the ability to provide soil residual activity, such as saflufenacil, chlorimuron, chloransulam, metribuzin, sulfentrazone or flumioxazin, yield potential was maximized compared to these active ingredients applied as standalone treatments. Data from this study further stresses the importance of utilizing multiple effective sites of actions to achieve higher yields while maintaining good herbicide stewardship practices.
Book Synopsis Effect of Method of Weed Control and Row Spacing on Yield of Soybeans (Glycine Max (L.) Merril). by : W. M. da C. VAL
Download or read book Effect of Method of Weed Control and Row Spacing on Yield of Soybeans (Glycine Max (L.) Merril). written by W. M. da C. VAL and published by . This book was released on 1978 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The treatments inclued two plantig dates, four row spacings, one with cultivation, three periods of handweeding and two herbicide treatments: a preplant incorporated mixture of trifluralin and metribuzin, followed by postemergence treatment of bentazon. 1X and 3X multiples of field rates were applied. A handweeded treatment handthinned to exact population was inclued to permit comparasion with the 3X herbicide treatment. Stand reduction, weed population, and yield were evaluated. No statistically significant response was obtained from the early and late planting dates.Crop response varied with type of row spacing...
Book Synopsis Effect of Planting Date and Spacing Between Rows on Yield and Yield Components of Six Soybean (Glycine Max (L.) Merr.) Cultivars Grown in 1973 at the University of Wisconsin Rieder Farm by : Mehmet Ozel Ergen
Download or read book Effect of Planting Date and Spacing Between Rows on Yield and Yield Components of Six Soybean (Glycine Max (L.) Merr.) Cultivars Grown in 1973 at the University of Wisconsin Rieder Farm written by Mehmet Ozel Ergen and published by . This book was released on 1974 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Various Planting Practices on Yields, and Growth and Development of Soybeans (Glycine Max L. Merrill) in Michigan by : David Warren Merck
Download or read book Effects of Various Planting Practices on Yields, and Growth and Development of Soybeans (Glycine Max L. Merrill) in Michigan written by David Warren Merck and published by . This book was released on 1980 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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