3) Factors of Soil and Fertilizer
土肥因素
4) Different Nitrogen Fertilizer Factors
氮肥因素
1.
Effect of Different Nitrogen Fertilizer Factors on Nitrate and Nitrite Accumlation in Carrot(Daucus carota L.);
不同氮肥因素对胡萝卜(Daucus carota L.)硝酸盐和亚硝酸盐含量的影响
5) different kinds of fertilization
肥密因素
1.
The variation of the amount of hybrid sweet sorghum with harvest by stages,multiple cropping of wheat stubble,and usual planting with different kinds of fertilization was studied.
探讨了不同肥密因素下分期青刈、麦茬复种与常规种植饲用杂交甜高粱的产量变化。
6) Limiting factors of soil fertility
土壤肥力限制因素
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条