基本释义
相关例句
soil dressing
1.Borax in different concentrations together with potassium dihydrogen phosphate gave good results in promoting leaf contents of boron, nitrogen, and chlorophylls so as to increase fruit yields of healthy bearing litchi trees. Three treatments were eminent in the experiments, namely, B 0.2%～0.4% spray. B 0.2%+KH_2PO_40.2% spray, and B 4-5 liang/tree soil dressing.
2.Finally, it is found that the apparent nitrogen balance in soil wheat plant system could be maintained when 144-213 kg/ha was applied , but treatment which whole 144 kg/ha was applied as basal dressing had a highe st absorption ratio, and a lowest residual ratio.