Agronomic And Pest Interactions In No Till Corn And Soybean Wih Fall Versus Spring Herbicide Applications

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Agronomic and Pest Interactions in No-till Corn and Soybean Wih Fall Versus Spring Herbicide Applications

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Author : Nicholas Monnig
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (166 download)

Book Synopsis Agronomic and Pest Interactions in No-till Corn and Soybean Wih Fall Versus Spring Herbicide Applications by : Nicholas Monnig

Download or read book Agronomic and Pest Interactions in No-till Corn and Soybean Wih Fall Versus Spring Herbicide Applications written by Nicholas Monnig and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fall herbicide applications have increased in popularity in recent years. Little is known of how fall herbicide applications impact soil conditions, insect populations, and winter and summer annual weed populations. Few studies have directly compared fall herbicide applications to early spring applications. Therefore, field experiments were conducted in both no-till corn and soybean fields from 2004 through 2006 in central, northwest, and northeast Missouri. Herbicide applications were made in the fall and at three spring timings. Two residual and one non-residual herbicide treatment were applied at each of the four timings. Removal of winter annual weeds with the three herbicide treatments led to an increase in soil moisture just after planting, and a decrease in insect populations and feeding well after planting. Measurements of soil temperature indicated that removing winter annual weeds could increase temperatures in the spring. Fall residual herbicide treatments provided the highest level of winter annual weed control, yet provided poor control of summer annual weed species after planting. Residual herbicide applications made at the last spring timing provided the highest level of summer annual weed control, yet provided poor winter annual weed control at planting. Residual herbicide applications made one to two months prior to planting offered the best balance between winter and summer annual weed control. Based on the results of these experiments, no-till corn and soybean producers can obtain maximum weed control and planting conditions by applying a residual herbicide in the early spring rather than the.

Pesticide Assessment of Field Corn and Soybeans

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Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (117 download)

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Download or read book Pesticide Assessment of Field Corn and Soybeans written by and published by . This book was released on 1985 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Integrating Cover Crops in No-till Corn and Soybean to Diversify Herbicide-Resistant Weed Management in the Mid-Atlantic

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Author : Jess Marie Bunchek
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)

Book Synopsis Integrating Cover Crops in No-till Corn and Soybean to Diversify Herbicide-Resistant Weed Management in the Mid-Atlantic by : Jess Marie Bunchek

Download or read book Integrating Cover Crops in No-till Corn and Soybean to Diversify Herbicide-Resistant Weed Management in the Mid-Atlantic written by Jess Marie Bunchek and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Widespread adoption of genetically-engineered, herbicide-resistant (HR) crops have simplified crop rotation diversity and the use of single-tactic, herbicide-based weed management programs. These practices have resulted in an HR weed epidemic, where glyphosate-resistant weeds are especially problematic. Glyphosate-resistant weeds like horseweed [Conyza canadensis (L.)] and pigweeds (Amaranthus spp.) threaten grower productivity and long-term efficacy of common agronomic herbicides. Thus, integrated weed management (IWM) programs that implement both ecological- and herbicide-based tactics are needed in no-till annual grain systems to (1) manage current HR weeds, (2) reduce HR selection pressure for evolution of resistance to other herbicides, (3) preserve effective herbicide technology, (4) enhance environmental stewardship, (5) safeguard soil conservation gains, and (6) maintain farm profits and productivity. To address these goals, we established three field studies at two sites in the Mid-Atlantic and identified combinations of cover crop and herbicide tactics that achieve effective season-long annual weed management, minimize HR selection pressure, and increase sustainability by reducing herbicide inputs. The first two studies assessed the complementarity of cover crops treatments and herbicide programs in corn and soybean, where integrating a cover crop treatment combined with applying a spring, pre-plant burndown herbicide application as well as a POST-emergent application provided the most effective season-long annual weed control. The third study assessed cover crop treatments and varied management practices, such as planting and termination dates, on HR selection pressure reduction at the time of herbicide applications. While cover crops intercepted a portion of the burndown herbicide application from reaching the soil surface, weeds were effectively controlled by the cover crops before the application, thus reducing the HR selection pressure.

The Effect of Fall and Spring Early Preplant Herbicide Applications on No-till Soybean Weed Control

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Author : Bob Stougaard
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (988 download)

Book Synopsis The Effect of Fall and Spring Early Preplant Herbicide Applications on No-till Soybean Weed Control by : Bob Stougaard

Download or read book The Effect of Fall and Spring Early Preplant Herbicide Applications on No-till Soybean Weed Control written by Bob Stougaard and published by . This book was released on 1983 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comparative Environmental Impacts of Biotechnology-derived and Traditional Soybean, Corn, and Cotton Crops

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

Book Synopsis Comparative Environmental Impacts of Biotechnology-derived and Traditional Soybean, Corn, and Cotton Crops by :

Download or read book Comparative Environmental Impacts of Biotechnology-derived and Traditional Soybean, Corn, and Cotton Crops written by and published by . This book was released on 2002 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review supports the conclusion that overall the currently commercialized biotechnology-derived soybean, corn, and cotton crops yield environmental benefits. Furthermore, a critical analysis of the literature supports the idea that biotechnology-derived soybean, corn, and cotton pose no environmental concerns unique to or different from those historically associated with conventionally developed crop varieties.

Agronomy Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 1348 pages
Book Rating : 4.:/5 (89 download)

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Download or read book Agronomy Abstracts written by and published by . This book was released on 1995 with total page 1348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).

Agricultural Engineering

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Author : Vincent A. Dodd
Publisher : CRC Press
ISBN 13 : 9789061919803
Total Pages : 958 pages
Book Rating : 4.9/5 (198 download)

Book Synopsis Agricultural Engineering by : Vincent A. Dodd

Download or read book Agricultural Engineering written by Vincent A. Dodd and published by CRC Press. This book was released on 1989-06-01 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt: A broad coverage of basic & applied research projects dealing with the application of engineering principles to both food production & processing. Land and water use; Agricultural buildings; Agricultural mechanisation; Power & processing; Management & ergonomics. About 450 papers from over 50 countries worlwide.

Conservation Tillage, January 1991 - December 1993

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Author : Jane Potter Gates
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Conservation Tillage, January 1991 - December 1993 by : Jane Potter Gates

Download or read book Conservation Tillage, January 1991 - December 1993 written by Jane Potter Gates and published by . This book was released on 1994 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Managing Cover Crops Profitably (3rd Ed. )

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

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.

Circular

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Author :
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Circular by :

Download or read book Circular written by and published by . This book was released on 1975 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Illinois Agronomy Handbook, 1976

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Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Illinois Agronomy Handbook, 1976 written by and published by . This book was released on 1975 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Integrating Cover Crops and Herbicides for Horseweed and Palmer Amaranth Management in No-till Soybean

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Author : Chelsea Marie McCall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

Book Synopsis Integrating Cover Crops and Herbicides for Horseweed and Palmer Amaranth Management in No-till Soybean by : Chelsea Marie McCall

Download or read book Integrating Cover Crops and Herbicides for Horseweed and Palmer Amaranth Management in No-till Soybean written by Chelsea Marie McCall and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Palmer amaranth and horseweed are problematic weeds in no-till soybeans in Kansas. Integrating cover crops and herbicide programs could suppress weed populations. To determine the emergence pattern and survival of horseweed, a study was conducted across six locations in eastern KS in 2014-2015 and 2015-2016. Horseweed seedlings and leaf number per seedling were recorded at two-week intervals. Cumulative GDDs required to reach 50% horseweed emergence increased from north to south. Horseweed survival ranged from 4 to 90%, and majority of horseweed emerged in the fall. Field studies were conducted to determine effects of cover crops and herbicide programs on Palmer amaranth near Manhattan, KS in 2014-2015 and 2015-2016. Five cover crop treatments included no cover, fall-sown winter wheat, spring-sown oat, pea, and mixture of oat and pea. Cover crops were terminated in May with glyphosate and 2,4-D alone or with residual herbicides of flumioxazin and pyroxasulfone. By 10 weeks after termination in 2014-2015, Palmer amaranth biomass and density, averaged across cover crops. was 95 and 69% less with residual herbicides than without, respectively, and Palmer amaranth biomass was 98% less in winter wheat and 91% less in spring oat, averaged across termination methods, compared to no cover. Time to 50% Palmer amaranth emergence was delayed with winter wheat, spring oat, and spring oat/pea mix without residual herbicide. Soybean yields were greater with residual herbicide and greater with winter wheat or spring oat cover crop in 2014-2015. A field study was conducted to determine suppression effects of cover crop and herbicide programs on horseweed and Palmer amaranth near Manhattan, KS in 2015-2016. Three fall treatments included fall-sown rye, a residual herbicide tank mix of glyphosate, dicamba, chlorimuron-ethyl, tribenuron-methyl, and AMS, and no fall application. Four spring treatments included no spring application or three herbicide tank mixes: glyphosate, dicamba, and AMS alone or with flumioxazin and pyroxasulfone as early preplant, or as split applied with 2/3 preplant and 1/3 at soybean planting. Similar levels of horseweed suppression were observed when some control measure was used in fall or spring. Fall rye completely suppressed horseweed while the fall herbicide suppressed biomass by 93% and density by 86% compared to no fall application. Palmer amaranth suppression was observed when a spring herbicide application was used. In rye, total weed biomass was reduced by 97% or more across all spring treatments. Total weed biomass was reduced with a spring herbicide was used. Soybean yields were least when no herbicide treatment was used in the spring. An integrated program of fall cover crops or herbicide applications together with spring herbicide applications maintained soybean yields.

Environmental Effects of U.S. Department of Agriculture Conservation Programs

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Author :
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Environmental Effects of U.S. Department of Agriculture Conservation Programs by :

Download or read book Environmental Effects of U.S. Department of Agriculture Conservation Programs written by and published by . This book was released on 2004 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Economic Comparison of Johnsongrass Control Herbicides on No-till Roundup- Ready Soybeans

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Author : Tammy McKinley
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Economic Comparison of Johnsongrass Control Herbicides on No-till Roundup- Ready Soybeans by : Tammy McKinley

Download or read book Economic Comparison of Johnsongrass Control Herbicides on No-till Roundup- Ready Soybeans written by Tammy McKinley and published by . This book was released on 1998 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quick Bibliography Series

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Publisher :
ISBN 13 :
Total Pages : 740 pages
Book Rating : 4.:/5 (89 download)

Book Synopsis Quick Bibliography Series by :

Download or read book Quick Bibliography Series written by and published by . This book was released on 1976 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Agrochemical Interactions and Application Timings in Corn and Soybean

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Author : Craig Bradley Solomon
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (9 download)

Book Synopsis Evaluation of Agrochemical Interactions and Application Timings in Corn and Soybean by : Craig Bradley Solomon

Download or read book Evaluation of Agrochemical Interactions and Application Timings in Corn and Soybean written by Craig Bradley Solomon and published by . This book was released on 2013 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the increase in glyphosate-resistant (GR) weeds, two agrochemical companies have developed soybeans with resistance to 2,4-D and dicamba in an effort to provide growers with new options for the control of problematic GR species. Due to the high sensitivity of non-transformed soybeans that may be grown in close proximity to 2,4-D- or dicamba-resistant crops, there is increasing concern about the potential for off-target movement of these herbicides through drift, volatility, and/or tank contamination. Traditionally, applications of fungicides have been made to corn between tasseling (VT) and silking (R1); however in recent years some pesticide manufacturers have promoted early-season fungicide coapplications with post-emergence (POST) herbicide treatments. Corn is also a nitrogen-demanding crop, where nitrogen uptake is often limited due to soil characteristics and environmental factors. The ability to co-apply agrochemicals allows growers the option of combining desirable products with a POST herbicide application at no additional application cost. The objectives of this research are to: 1) compare the relative soybean phytotoxicity of eight synthetic auxin herbicides to one another and 2) determine the effects of V5 herbicide, fungicide, and/or slow-release N co-applications on corn injury and yield. Results from these experiments suggest significant yield reductions can occur if proper application methods are not followed when applying synthetic auxin herbicides. Also, the addition of a fungicide and/or slow-release N fertilizer at V5 is not likely to increase corn grain yields in comparison to an herbicide treatment alone.

Illinois Agronomy Handbook, 1971

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Author :
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Illinois Agronomy Handbook, 1971 by :

Download or read book Illinois Agronomy Handbook, 1971 written by and published by . This book was released on 1971 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: