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60 Titles Match Your Query
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51. Soil Organic Matter Dynamics in Dryland Cropping Systems in the Central Great Plains [USDA.ARS.CGPRS.OMDryland]
Problem: Soil organic matter (SOM) is important to hoid the soil together, eaSily ihfiitrate water, reduce compaction, and to provide nutrients such as N, P,K, S, and micronutrienis. However, the ...


52. Use of Grass to Regenerate Degraded Soils - CRP [USDA0106]
Dataset includes soil samples from 3 field sites, 5 treatments, 3 replications, with duplicate soil samples obtained on each replicate. Soil sample depths have varied; initially 0 - 7.5 cm, 7.5 - ...


53. A Comparison of Conventional and Organic Farming Systems [USDA0010]
The "Comparison of Conventional and Organic Farming Systems" database contains data from experimental growing of crops under different farming systems and changing soil parameters over time. Data ...


54. Digital Soil Information for England and Wales [LandIS]
The National Soil Resources Institute incorporates the former Soil Survey and Land Research Centre and as a result maintains all the published and unpublished paper soil reports and maps for England ...


55. Soils Data: El Malpais Lava Badlands, New Mexico, 1988 [USDA0393]
"Soils Data: El Malpais Lava Badlands, New Mexico, 1988" is a soil/vegetation relationship database of El Malpais Lava Badlands, New Mexico. Its purpose is to provide soil chemical physical data, ...


56. Breton Plots - University of Alberta, Canada [Canada_UofAlberta_BretonPlots]
This experiment began in 1930. The soils of the area have developed on sandstones and shales of freshwater origin. Soil formation was influenced by native vegetation consisting primarily of stands ...


57. National Forest Health Database - Soil Data for Canadian Forest Health Network [Canada_CFS_SoilData]
Since 1984, Canadian Forest Service has been collecting data to help monitor the health of Canada's forests. Data is collected from a large number of strategically located plots all across Canada. ...


58. Movement of Fertilizer Nitrogen in Soil and Use of Chloride as a Nitrogen Tracer [FTSL86Y]
The distribution of nitrogen and chloride in the soil profile for 1 year was studied. NH4-N in N fertilizer was absorbed in the surface soil and remained within a depth 10 cm. NO3, nitrified nitrogen, ...


59. Partitioning of Carbon and Nitrogen in a Mixed-grass Prairie [USDA.ARS.CGPRS.CNmixedgrass]
(adapted from abstract presented at ARS Carbon Storage Workshop, Jan 1999, Baltimore MD) Problem: To further evaluate the effects of grazing on the C and N dynamics ofa rangeland ecosystem we needed ...


60. Soil C Sequestration Under Varving Tillage and Cropping Management Systems: Cropping Systems Trial, Mead, Nebraska [USDA.ARS.SWCRU.CropSysTrial]
(adapted from Project Summary) PROBLEM: Soil and crop management research has emphasized the divide and conquer approach to solving problems in the past thirty years. More recently, emphasis on ...


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