温室砂培试验研究了活化磷矿粉对玉米生长和吸收磷肥的影响。
The effects of activated phosphorite powder on the phosphorus utilization of maize were studied by nutrient quartz_sand culture experiment in the green_house.
通过砂培试验和田间试验探讨了钾对大白菜的营养作用及其生理机制。
This paper deals with the K-nutrition for Chinese cabbage and its physiological mechanism.
通过砂培试验研究了新疆风化煤黄腐酸（FA）对玉米幼苗生长的影响。
The effects of FA from weathering coal on the growth of maize in sand cultures were studied.
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