Analysis of energy flowing and material cycling in the high yield double-cropping system of wheat-corn.
1992
Li Ziqian
AGROVOC关键词
书目信息
页码
v.234-236(4)
其它主题
Culture sequentielle; Analisis de insumo producto; Matiere organique; Materia organica; Echange d' energie; Intercambio de energia
语言
中国人
注释
4 tables, 6 ref. Summary (Zh).
类型
Journal Article; Journal Part; Summary
来源
Research-of-Agricultural-Modernization (China). (Jul 1992). v. 13(4) p. 234-236.
团体作者
Hebei Provincial Academy of Agricultural Science, Shijiazhuang (China).Inst.ofCrop and Oils
Selskostopanska Akademiya, Sofia (Bulgaria).
2012-11-15
AGRIS AP