Research Project code：0150004093
Update date：Nov. 10, 2009
Rationalization of manure in the tea garden for Gyokuro and Tencha (powdered tea) with use of coated urea
1994 - 1999
Investigating Researcher (3)：
Research field (1)：
Maintaining the quality level, manure system of less nitrogen fertilizer in tea garden is urged from the viewpoint of environment conservation. So cultivation with less fertilizer is studied using coated urea on the yield of first crop, influence on quality and change of inorganic nitrogen in the soil.
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