soil organic layer

常見例句

The results show that soil organic carbon contents and storages in each soil layer increases with the increasing years of C.
結(jié)果表明，各層次土壤有機碳含量和儲量隨小葉錦雞兒種植年限的增加而增加。
The variation of organic-mineral complex content and the distribution characteristics of organic carbon fractions in black soil plough layer under different tillage periods;
研究了不同耕作方式下黑土有機無機復(fù)合體組成及有機碳在各級復(fù)合體中的分布特征。
The article investigates and analyzes the content of organic matter and cationic exchange of upper and under layer of soil planting vegetable of 14 villages in Chenggong county.
對呈貢縣14個村的蔬菜土壤上下層有機質(zhì)含量和陽離子交換量進(jìn)行調(diào)查分析。