2 edition of Effect of summer-seeded green manures on soil structure and availability of nitrogen found in the catalog.
Effect of summer-seeded green manures on soil structure and availability of nitrogen
J. L Mortensen
|Statement||J.L. Mortensen and J.L. Young|
|Series||Research bulletin / Ohio Agricultural Experiment Station -- 865, Research bulletin (Ohio Agricultural Experiment Station) -- 865|
|Contributions||Young, J. L|
|The Physical Object|
|Pagination||31 p. ;|
|Number of Pages||31|
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Abstract. Green manuring has received little attention by the research community in the past few decades. But with renewed concern about our soil resources, particularly soil degradation, green manuring is increasingly appealing as a means to reduce losses of soil organic matter, compaction, and soil erosion and still maintain economic by: If sufficient water is available, green manures-usually nitrogen fixing legumes -can be planted before or after harvesting the main crop, with its subsequent use as.
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Depending on location, planting date and soil fertility, they produce up to 8, lb. biomass/A. Because of their fast fall growth, brassicas are well-suited to capture soil nitrogen (N) remaining after crop harvest.
The amount of nitrogen captured is mainly related to biomass accumulation and the amount of N available in the soil profile. Organic farming has been identified as promoting soil quality even though tillage is used for weed suppression.
Adopting zero tillage and other conservation tillage practices can enhance soil quality in cropping systems where synthetic agri-chemicals are relied on for crop nutrition and weed control.
Attempts have been made to eliminate tillage completely when growing several Cited by: For example, alfalfa is relatively sensitive to soil acidity, and does best in soil pH range of to The bacteria that fix atmospheric nitrogen for alfalfa do best in this soil pH range.
Soil acidity issues can be corrected with liming, and should be addressed before planting. Remember that the uptake of most of these nutrients depends on maintaining the pHof the soil in the appropriate range. nitrogen Nitrogen is quickly taken up by grasses and promotes growth. Nitrogen application on a mixed grass-legume pasture will tend to shade out the clovers and allow the grasses to predominate.
Animal urine is high in nitrogen. The effect of soil moisture and temperature on soil nitrate, ammonium, and carbon dioxide can determine the accuracy of prediction for nitrogen availability (Clark, ).
A soil health test conducted by V6 growth stage would be useful in corn production to allow farmers to adjust the amount of additional nitrogen to apply according to the soil. Full text of "Abstracts of recent published material on soil and water conservation: number 22" See other formats.
This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Part of our summer trials is looking at high soil-building green manures.
We comparison trialed over 20 types: some added nitrogen, some smothered weeds, while. Soil organic matter and cover crop residues improve soil physical properties, resulting in: • greater water infiltration, due to direct effects of the residue coverage or to changes in soil structure • greater soil aggregation or tilth, resulting in better nutrient and moisture management • less surface sealing, because residue intercepts.
General - Disaster of x x. Design storage volume as justified by nutrient utilization plan, runoff volume, precipitation volume, and freeboard.
Size of structure, including length, width, and depth. Materials to be utilized for the construction of the structure, this should include specifications for concrete mixes, flexible membranes, and soil data, as appropriate. Part of our summer trials is looking at high soil-building green manures.
We comparison trialed over 20 types: some added nitrogen, some smothered weeds, while others scavenged for nutrients.
All of them improved soil tilth, and increased organic matter and microbial activity. Managing Cover Crops Profitably, Third Edition, was pub- Managing cover crops profitably / project manager and lished in by the Sustainable Agriculture Research and editor, Andy Clark.3rd ed.
Education (SARE) program under cooperative agreements p. -- (Sustainable Agriculture Research and Education with the National Institute of Food. SUBSCRIBE NOW. FARM MANAGEMENT: Editorial — Work for the Month Some Comments on the January Issue Improving a Farm The Kind of Plow to Cover Green' Manur- ing Crops and the Kind of Green Manur- ing Crops to Cover Fertilizer Problems From Planting to Farming An Orange County (N.
Y.) Farmer, Acid. Ecological Management of Agricultural Weeds Concerns over environmental and human health impacts of conventional weed management practices, herbicide resistance in weeds, and rising costs of crop production and protection have led agricultural producers and scientists in many countries to seek strategies that take greater advantage of ecological processes.