3Influences Investigation and Analysis of Long-term Rotary Tillage on Wheat Growth and Yield in Dryland15-16
5High Yield and Cost-saving while Increase Benefit Cultivation Techniques of Corn in Huang-huai-hai Region20-21
9Causes and Corresponding Measures of Summer Corn Non-seed, Ear Tip-barrenness and Ear Absent from Seed30-31