Effects of rotational tillage treatments on soil structure and water storage in double rice cropping region .
轮耕对双季稻田土壤结构及水贮量的影响。
According to the filed experiments in ansai , shaanxi , this article referred to the influence of conventional tillage , no-tillage , fertilizer and organic fertilizer on photosynthesis and stomata conductance of maize in hilly and gully arid region of loess plateau .
According to the mensuration and analysis of soil permit heaviness , soil moisture , soil maximum moisture and the yield , the effects of subsoiling and fewer tillage on soil physical characters , water use efficiency , soil conservation storage competence and maize yield were studied .