[Study on the variation of the soluble nitrogen content and the effect of nitrogen fertilizer in non-paddy soil for vegetable cultivation]. [Korean]
1992
Kim Yung Hui
The content of soluble nitrogen increased to 1.3-1.7 times in summer than in spring, because nitrate process is strongly accelerated by the increase of soil temperature in summer. The need for nitrogen fertilizer in summer Chinese cabbage is smaller than in autumn one.
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书目信息
Acta of Academy of Agricultural Sciences
页码
v.37-40
其它主题
Engrais azote; Republique dem et pop de coree; Korea democratic people' s republic; Plante legumiere; Fertilite du sol; Republica popular dem de corea; Hortalizas plantas
注释
8 tables; 3 ill. Summaries (En, Ko).
类型
Journal Article; Journal Part; Summary
来源
Acta-of-Academy-of-Agricultural-Sciences (Korea Democratic People's Republic). (Jun 1992). (no.3) p. 37-40.
团体作者
Inst. for Vegetables, Pyongyang (Korea Democratic People' s Republic)
Academy of Agricultural Sciences, Pyongyang (Korea Democratic People' s Republic).
2012-11-15
AGRIS AP