continuous cropping problem 第1页

The effect of continuous cropping factors on soybean seedling growth and nitrogen fixation Effects of Continuous Cropping on Photosynthesis and Medicinal Quality of Pseudostellariae heterophylla Effects of Continuous Cropping Soil Sterilization and Applying of Different Fertilizer on Phenolic Acids in Rhizosphere Soil of the Strawberry Plants and Soil Enzyme Activities Effect of sterilization with CH_3Br on root growth of soybean seedlings Effects of Continuous Cropping Soil Sterilization and Applying of Different Fertilizer on Phenolic Acids in Rhizosphere Soil of the Strawberry Plants and Soil Enzyme Activities