土壤区 meaning in Chinese
soil region
Examples
- It should never be necessary to camp on cryptobiotic soil , islands of vegetation , or within the precious green ribbons of desert creeks or streams
土壤区,植物丛生的岛区,或在沙漠的溪流，水道分布的绿色带区。 - In the eroded infertile soils of the yangtze river watershed there was an obstacle to the use of “ soil reservoir ” , that is , the storage capacity of “ soil reservoir ” had been severely lost because of soil erosion
长江流域的侵蚀劣地“土壤水库”需要承受更多的拦蓄雨水任务，但这些侵蚀劣地土壤区存在着调用“土壤水库”的障碍。 - From the aspects of agricultural economic and environmental ecological effects , were the effects and mechanism of rare - earth micro - fertilizer to improve the growth , development , quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase , alkaline phosphatase , urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain , ultraviolet radiation , heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided , according to the rule of the distribution and enrichment of be in crops
摘要从农业经济效应和环境生态效应二方面，论述了稀土肥料促进作物生长、发育，提高作物产量，改善作物品质的效应与机理；影响土壤区系中微生物种群数量和土壤脱氢酶、碱性磷酸酶、脲酶及蔗糖酶的功能，继而反馈调节作物生长；缓解酸雨、紫外辐射和重金属伤害作物的生态生理学效应；并以稀土在作物体内分布与富集规律为参考，探讨了稀土农用的安全性。