WebBiogas slurry has ammonia (NH 4 +-N) abundance and is applied in a major production region, Southwest China.This study compared the consequent environmental risk of nitrogen (N) leaching in two major soils, yellow soil and calcareous soil, in Southwest China, and investigated underlying microbial mechanisms.Biogas slurry was applied to soil columns … Web19 feb. 2003 · This book contains seventeen chapters discussing the economic and biological aspects of soil use and research in agroforestry, with an emphasis on nutrient …
DNRA and ANRA-centered microbial mechanism of biogas slurry on soil …
Web1 apr. 2024 · It's clay soil so will the K be leached into the soil because it's high in the solution. Should we recommend further k application even if it will be small amount or should not. Relevant... WebIn this study, we measured leaching of total phosphorus (TP) and dissolved reactive phosphorus (DRP) during three years in undisturbed soil columns of five soils. The soils were collected at sites, established between 1957 and 1966, included in a long-term Swedish fertility experiment with four P fertilization levels at each site. prof wagner uni bonn
What is leaching? National Critical Zone Observatory
WebIn field and greenhouse studies, cinmethylin, imazaquin and metazachlor were evaluated for their relative: a) persistence in the field, b) bioactivity as affected by soil type and time, and c) leaching in three tobacco soils, Metazachlor was the less persistent herbicide remaining active up to 60 days. Cinmethulin and imazaquin persisted up to ... WebWhen the soil can no longer adsorb phosphorus or when surface runoff contains high levels of phosphorus, loading of surface waterways may occur as high levels of dissolved … WebIn this study, we measured leaching of total phosphorus (TP) and dissolved reactive phosphorus (DRP) during three years in undisturbed soil columns of five soils. The … prof wahid uthm