Grain Sorghum Production Under Lo-till and No-till Farming Systems PDF Download
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Author: Ekpin U. Ekpin
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Author: Ekpin U. Ekpin
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Author: Matthew Nielsen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Cover crops (CCs) are included in rotations between cash crops for many reasons, including reducing erosion, compaction, and sequestering nutrients for optimal crop performance. The objectives of this study were to i) determine the effects of increasing cropping system intensity on CC biomass accumulation, C:N ratio, and residual inorganic profile nitrogen and ii) determine how intensity effects sorghum (Sorghum bicolor L.) growth, development, and yield in a no-till wheat (Triticum aestivum L.), sorghum, soybean (Glycine max L.) rotation. The experiment was conducted in a randomized complete block design with four treatments: chemical fallow (CF), double-crop soybeans (DSB), double-crop soybeans plus a spring cover crop before sorghum (DSBCC), and a summer cover crop mixture after wheat (CCMIX). Nitrogen (N) rates consisting of 0, 40, 80, 120, and 160 pounds acre−1 were subsurface banded after sorghum planting. Sorghum growth and development were characterized by Canopeo (percent canopy cover) and GreenSeeker (NDVI), from seedling through boot stages, by recording days from planting to half bloom, and by chlorphyll readings (SPAD) at half bloom or early grain fill. Sorghum biomass was sampled after physiological maturity to determine N uptake and yield components. Averaged over three years, summer and fall growth of CCMIX produced the greatest biomass at more than 2,000 pounds acre−1 and had the greatest C:N ratio compared to DSBCC and CCMIX sampled in the spring. Residual inorganic profile N at sorghum planting, when averaged over years, was roughly 26 pounds acre−1 and 13 pounds acre−1 less after DSBCC and CCMIX, respectively compared to after CF and DSB. Including a spring cover crop before sorghum (DSBCC) consistently reduced vegetative growth and development of sorghum.Sorghum growth response to CCMIX was inconsistent depending on year. In 2018, when there was no winter survival of the cover crop, sorghum growth after CCMIX was not different from CF. The CCMIX treatment reduced sorghum SPAD values by 6% and 7% in 2017 and 2019, respectively, and N uptake by 41 and 27 pounds acre−1 in 2017 and 2019, respectively. The spring cover crop immediately before sorghum planting (DSBCC) reduced sorghum biomass by 9% (2017) and 27% (2018) compared to CF, though CF was not different from DSB and CCMIX. In 2019, DSBCC was not different from CF, and sorghum after DSB had 10% greater biomass yield than sorghum after DSBCC. Sorghum grain yield was reduced by more than 50% after DSBCC in 2018 compared to CF, though CF, DSB, and CCMIX were not different. In 2019, sorghum grain yields after CF, DSBCC, and CCMIX were not different, and sorghum after DSB had the greatest yields, 7% more than DSBCC. Including double crop or cover crop in a no-till cropping system slowed early-seasoon growth and development and reduced N uptake of the subsequent sorghum crop but had minimal impact on grain yield with adequate weather conditions. However, a spring-planted CC with substantial biomass accumulation immediately before sorghum planting substantially reduced sorghum yield when spring rainfall was below normal.
Author: Ward Lee Thomas
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Author: Janis Mc Farland Ph.D.
Publisher: Elsevier
ISBN: 0080559638
Category : Technology & Engineering
Languages : en
Pages : 604
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Book Description
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
Author: C. John Baker
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 358
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Book Description
This book is a much-expanded and updated edition of a previous volume, published in 1996 as "No-tillage Seeding: Science and Practice". The base objective remains to describe, in lay terms, a range of international experiments designed to examine the causes of successes and failures in no-tillage. The book summarizes the advantages and disadvantages of no tillage and highlights the pros and cons of a range of features and options, without promoting any particular product.
Author: R. R. Duncan
Publisher:
ISBN:
Category : Sorghum
Languages : en
Pages : 76
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Book Description
Author: Federal Crop Insurance Corporation. Product Development Branch
Publisher:
ISBN:
Category : Crop insurance
Languages : en
Pages : 84
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Book Description
Author: Karl Schneider
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 546
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Author: L. E. Haley
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Author: Andrew Mefferd
Publisher: New Society Publishers
ISBN: 1771422726
Category : Technology & Engineering
Languages : en
Pages : 661
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Book Description
Learn how to use natural no-till systems to increase profitability, efficiency, carbon sequestration, and soil health on your small farm. The Organic No-Till Farming Revolution is the comprehensive farmer-developed roadmap showing how no-till lowers barriers to starting a small farm, reduces greenhouse gas emissions, increases efficiency and profitability, and promotes soil health. Farming without tilling has long been a goal of agriculture, yet tilling remains one of the most dominant paradigms; almost everyone does it. But tilling kills beneficial soil life, burns up organic matter, and releases carbon dioxide. If the ground could instead be prepared for planting without tilling, time and energy could be saved, soil organic matter increased, carbon sequestered, and dependence on machinery reduced. This hands-on manual offers: Why roller-crimper no-till methods don't work for most small farms A decision-making framework for the four no-till methods: occultation, solarization, organic mulches grown in place, and applied to beds Ideas for starting a no-till farm or transitioning a working farm A list of tools, supplies, and sources. This is the only manual of its kind, specifically written for natural and small-scale farmers who wish to expand or explore chemical-free, regenerative farming methods.
