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3 Titles Match Your Query
Showing 1 through 3 of 3
1. The Accumulation and Bioavailability of Soil Nitrogen and Carbon Under Long-term Farming Systems in Pennsylvania. [usda.ars.PSWMRL.LongTermFarm]
(from Project Abstract) Problem: the objective of this research is to determine and contrast soil nitrogen, soil carbon, and soil phosphorus accumulation and availability under common farming systems ...

2. Soil Fertility Experiment (DVI Thyrow/Germany), Long Term Soil Organic Matter Experiment [HUB.IFP.Thyrow]
This experiment was started in 1938 at a site with a cool temperate climatic regime. The soil is classified as a Leptic Podzol (FAO). The rotations in the experiment are slightly different over ...

3. Organic and Mineral Fertilizers I, N and C Balances, Long Term Soil Organic Matter Database, Switzerland [SAR.RAC.Fertilize2]
This experiment began in 1975 at a cool temperate site with brown calcereous, slightly hydromorphic soil. Before the experiment began the soil had been cultivated for at least 20 years according to ...

Showing 1 through 3 of 3
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