fertility change meaning in Chinese
育性转化
Examples
- Due to a large population and the scarcity of soil resources , worldwide attention has heavily focused on the soil fertility changes in china , since early 1980s
中国人口众多，土壤资源有限，其80年代初以来的农地土壤肥力变化备受世人关注。 - The econometric results in this dissertation show that socio - economic and policy factors indeed have an important influence on soil fertility change . more specifically , the results show that tenure security may improve soil fertility such as organic matter
根据土壤肥力变化趋势和社会经济调查数据，我们首先对土壤肥力因子和可能影响土壤肥力变化的社会经济及政策变量进行了单因素分析。 - Abstract : according to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under chinese academy of sciences and state minisetry of science and technology , the circulation ratios of organic carbon , phosphorus and nitrogen in the process of feeding - composting in were put forward in the agricultural system of black soi area , the ratios were about 0 . 3 , 0 . 61 and 0 . 49 , respectively
文摘:根据中国科学院和国家科技部分布于四大类型地区的生态站进行的长期施肥及养分循环再利用的作物产量、土壤肥力质量变化研究数据，提出了黑土区农业系统投料中有机碳和磷、氮在饲养? ?堆腐过程中的循环率。