It is not proper that the intertillage can heat soil and protect cotton Rhizoctonia Solain against was proved based on thermal exchange theory.

Effects of mulching with wheat stalk after cultivation and earthing up on flue-cured tobacco growth,nutrient uptake,yield and quality;

This Thesis through the experiment of subsoiling and studying the maize earthnut and millet in 863 testing farmland Matiying village Fuxin county Liaoning province,the result indicates: The influence of subsoiling to the main growth index of different crop is different,In proper order is :maize millet and peanut.

2 subsoiler in 863 testing farmland Matiying village Fuxin county Liaoning province, contracting and studying containing water of soil of the corn ﹑earthnut and millet, which is subsoiled or nonsubsoiled, illuminating the influence of subsoiling to containing water of soil, educing that the subsliling can popularized in agricultural production .

Effects of Different Styles of Inter-tillage on the physicochemical properties of Soil and Growth Development of Maize Ⅰ.Effects of Different Styles of Inter-tillage on Growth Development of Maize;