Thus, the different fertilization practices tended to(affect) not the depth distribution of TOC and POC but the content and proportion of POC in topsoil.
可见，不同的施肥处理并没有改变TOC和POC的深度分布格局，只是改变了它们在耕层土壤的含量以及POC的分配比例。
The results showed that porcine cumulus cells could enhance maturation of mouse oocytes in vitro but not affect in vitro the fertilization of the oocytes and subsequent embryo development.
结果表明，猪卵丘细胞能促进小鼠卵母细胞的体外成熟，但并不影响小鼠卵母细胞的受精和胚胎发育。
The management, such as plough, fertilization and irrigation etc. have not only changed the nutrient cycling in the farmland ecosystem system, but also brought influences to global climate.
这些农田土壤的种植、翻耕、施肥、灌溉等管理措施不仅改变着农田生态系统中的化学元素循环，且给全球气候变化带来影响。
The content of mineral-fixed ammonium in soil was related not only to soil clay minerals but also to fertilization.
固定态铵的含量不仅与土壤中的粘土矿物有关，施肥对其也有影响。
The results showed that long term fertilization affected not only the content and composition of soil humus, but also the physicochemical property of the soil humus.
结果表明，长期施肥不仅影响土壤腐殖质的含量与组成，还影响腐殖质的理化性质。
The results showed that the degradation rate of mineral oil was promoted by fertilization in alfalfa soil, but not in paddy rice soil.
结果表明，投肥对苜蓿草土壤中矿物油降解有促进作用，但对水稻土壤中矿物油降解无明显作用。
But in practical operating, the quantity and the timing of fertilization and irrigation can not be controlled exactly and optimally.
但是在实际操作中灌溉量、施肥量与灌溉和施肥的时机都不容易实现最优化控制。
The content of nitrate and nitrite in vegetable is not only controlled by fertilization and management in produce. But correlated with handling process after collection.
蔬菜中的硝酸盐和亚硝酸盐含量受许多因素的影响，不仅受生产过程中的施肥、管理等因素控制，而且与采集后经历的食前处理过程密切相关。
Compared with prior fertilization mode or device, the utility model has the advantages of saving labor and time, not hurting the seedlings and high fertility utilization ratio.
与现有追肥方法或装置相比，具有省工省时、不伤苗、肥力利用率高等优点。
Compared with prior fertilization mode or device, the utility model has the advantages of saving labor and time, not hurting the seedlings and high fertility utilization ratio.
与现有追肥方法或装置相比，具有省工省时、不伤苗、肥力利用率高等优点。
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