Agricultural soils are the ultimate recipient and depository of most applied foliar and soil pesticides.
喷撒于叶面和用于土壤的农药大多以农业土壤为其最终受体和贮存场所.
It can be as base fertilizer , after fertilizer and foliar fertilizer.
可以用做底肥, 也可以用做追肥及叶面肥.
Determination micronutrient boron for foliar fertilizer by indirect acid - base titration, overcome the inadequate of others method.
采用间接酸碱滴定法,测定叶面肥中的硼含量, 克服了其它方法的不足,试验结果满意,便于应用推广.