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Results: 108 publication requests found. Data from Loamy sand soil approaches organic carbon saturation after 37 years of conservation tillage This is digital research data corresponding to a published manuscript, Loamy sand soil approaches organic carbon saturation after 37 years of conservation tillage. Conservation tillage is reported to increase soil organic carbon (SOC) and total nitrogen (TN) contents, but; long-term (> 30 years) fi... Mepiquat chloride applications across two nitrogen rates in a conservation tillage cotton system In cotton production, a plant growth regulator is a management tool to limit excessive cotton (Gossypium hirsutum L.) vegetative growth, but over-application can promote early cut-out and sometimes decrease yield. Specific information on how different plant growth regulator application strategies p... Conservation tillage and soil water In the semiarid U.S. Great Plains, reduced or no conservation tillage has been primarily directed towards the control of soil erosion either by wind or water in contrast to conventional tillage practices that bury some fraction or all of the crop residue. The type, depth and degree of soil disturban... Contrasting carbon and nitrogen responses to tillage at different soil depths: An observation after 40-year of tillage management Conservation tillage (CS) is a major component of sustainable soil management. The objective of the study was to investigate the long-term impacts of CS on soil carbon (C) and nitrogen (N) pools and the associated microbial activities in sandy Ultisols. Soils (0-5 and 5-15 cm) were collected from fi... Single species and mixtures for corn production in Alabama Benefits associated with conservation tillage and single species cover crops have been documented across the Southeast, but there is tremendous interest in how cover crop mixtures compare with single species. We examined how two cover crop mixtures of rye (Secale cereale L.) and crimson clover (Trif... Phosphorus runoff from sandy soils under conservation tillage with surface broadcasted recovered phosphates Potential new sources of recycled phosphorus (P) that can be used as fertilizer are the recovered P from livestock wastewater through chemical precipitation and the P in ash from combusting animal manures. Both recovered materials are rich in P but have low solubility in water. Most of the research ... Grazing winter rye cover crop in a cotton no-till system: Soil strength and runoff Grazing cool season cover crops (CC) could provide an economic incentive to increase cover crop adoption in the Southeast USA if negative impacts on soils can be avoided. Using four small catchments with a long history of cover crops and conservation tillage located in the southern Piedmont of Geor... Estimates of conservation tillage practices using Landsat archive The USDA Environmental Quality Incentives Program (EQIP) provides financial assistance to encourage producers to adopt conservation practices. Historically, one of the most common practices is conservation tillage, primarily the use of no-till planting. The objectives of this research were to determ... Management duration controls the synergistic effect of tillage, cover crop, and nitrogen rate on cotton yield and yield stability Resilient agroecosystems are foundational for stable and profitable food, feed, and fiber production in the face of increasing climatic perturbations and environmental stresses. Enhanced soil and environmental benefits of cover crops applied to conservation tillage systems has been well documented. ... Conservation soybean production systems in the mid-southern USA: I. Transitioning from conventional to conservation tillage The adoption of production systems that leave greater than 30% residue coverage on the soil surface, i.e., conservation tillage, is limited in the mid-southern USA due to the development of a hardpan and subsequent yield reductions. This research was conducted to determine if the inclusion of subso... Conservation soybean production systems in the mid-southern USA: II. Replacing subsoiling with cover crops The adoption of cover crop production systems is lagging in the mid-southern USA due to concerns over yield stability and on-farm profitability. This research was conducted to determine if the inclusion of a cover crop in conservation tillage systems improves yield, profitability, and water use eff... Furrow-irrigation application efficiency in mid-southern USA conservation tillage systems Approximately 80% of mid-southern USA irrigation requirements are supplied through gravity flow delivery systems with inherently low application efficiency. This research was conducted to determine whether the efficiency of furrow-irrigation systems could be manipulated through conservation tillage... Model prediction capacity of ephemeral gully evolution in conservation tillage systems Ephemeral gully (EG) erosion has an important impact on agricultural soil losses and increases field surface hydrology connectivity, transporting pollutants to nearby water bodies. Watershed models including an EG component are scarce and not yet properly evaluated. The objective of the study was to... Biological suppression of the root-knot nematode Meloidogyne incognita following winter cover crops in conservation tillage cotton Winter cover crops are often planted in temperate and subtropical environments. The residue from these cover crops may enhance suppression of plant-parasitic nematodes by providing alternative food sources for predators and parasites. The primary objective of this study was to determine whether wint... Performance of a ditch-style phosphorus removal structure for treating agricultural drainage water with aluminum-treated steel slag Several structural, treatment, and management approaches exist to minimize phosphorus (P) transport from agricultural landscapes (e.g., cover cropping and conservation tillage). However, many of these practices are designed to minimize particulate P transport and are not as effective in controlling ... Soil health assessment after 40 years of conservation and conventional tillage management in Southeastern coastal plain soils Conservation tillage and cover crops are important components of soil health management. In the present study, we applied two independent soil health assessment approaches to evaluate the impacts of 40-year conservation tillage and additional 4-year cover cropping on a range of soil health indicator... Cover Crop Management Cover crops have long been recognized as an important component of conservation tillage systems due to the many benefits they provide. Finding the right plant or mix of plants that both fits into a “window” or “niche” within the crop rotation and accomplishes your objectives is a key component of c... Aggregate distribution and the associated carbon in Norfolk soils under long-term conservation tillage and short-term cover cropping Conservation agriculture practices have been widely implemented to improve soils and their sustainability. In the present study, we investigated the impacts of long-term conservation tillage (CS) on the distribution and stability of soil aggregates and their associated C in a typical sandy Ultisol. ... Comparison of evapotranspiration and biomass simulation in winter wheat under conventional and conservation tillage systems using APEX model The Agricultural Policy/Environmental eXtender (APEX) is one of the hydrologic and water quality models being used in the USDA-ARS Long-Term Agroecosystem Research (LTAR) to evaluate current and develop sustainable agricultural production systems throughout the United States. Tillage practices used ... Soil fertility in conservation tillage systems Soil forming factors (climate, biology, parent material, and drainage) and nutrient management practices heavily influence soil fertility. This article highlights the impacts of soil properties and tillage intensity on nutrient availability in agricultural soils. While organic matter and nutrients t...