water humus的意思|示意

Because of the distinction of soil property and humus content, soil water content is not ideal to indicate whether it is suitable to the growth of plant.

由于土壤性质和腐殖质含量的不同，土壤的含水量并不能很好地说明是否适宜植物的生长。

Organic manure application favours the formation of Fe-humus complexes in purple paddy soils under water-dry rotation.

在水旱轮作下，施用有机肥有利于紫色水稻土铁—腐殖质复合的形成。

This paper deals with the influence of a humus layer of different thicknesses on the water quality environment by measuring and analyzing the concentration of nitrogen nutritional salts.

通过对不同厚度淤泥水中氮营养盐的测定和分析，初步研究了不同厚度淤泥对水族箱水质环境中氮营养盐的影响。