Effect of organic material application on efficient use of nitrogen fertilizer in Roi Et paddy soil
Chakrapong Chermsiri, Prapai Chairoj, Wisit Cholitkul (Department of Agriculture, Bangkok (Thailand). Soil Science Div. Soil Chemistry Research Group)
Published in ASST Newsletter (Thailand) (01.01.1993)
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Published in ASST Newsletter (Thailand) (01.01.1993)
Journal Article
Separation particle of soil granulate to nitrogen uses in sandy soils
Prapai Chairot, Wisit Cholitkul (Department of Agriculture, Bangkok (Thailand). Soil Science Div.. Soil Chemistry and Fertility Research Group), Yusuo Takai
Published in Soil Science News and Reports (Thailand) (01.01.1987)
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Published in Soil Science News and Reports (Thailand) (01.01.1987)
Journal Article