4Technical approach for sustainable increase of wheat yield in central and southern Henan province16-18
7Research on the Selection Mode in High-yield Cotton Plant Morphology and Yield Components Traits32-35
9Influence of the Maturity of the Honghuadajinyuan on the Content of Kalium,Clorine and the Ratio of Kalium to Clorine in the Leaves after Baking44-46
11Preliminary Study of Trichoderma viride T23 on the Absorption and Utilization of Microelements55-58
13Epidemiology of Winged Aphid and Its Virus Prevalence in Tobacco Field of Yellow and Huai River Area63-67