1Practice and thought on scientific and technical information service in construction of New Countryside11-13
4Application of gray linear regression model in predicting the grain production of Henan province44-47
5Effects of Salicylic Acid on Seed Germination and Seedling Growth of Maize under Cadmium Stress48-50
9Effects of Different Rotation Patterns and Fertilization Treatments on Chemical Components and Economic Properties of Tobacco in Northeast China66-70
10Effect of Spraying Different Plant Growth Regulators on the Contents of Pigments in Cutters of Flue-cured Tobacco70-72
12Effects of Different Ratio of Base N to Dressed N and Type of Nitrogen Fertilizer on Maize Yield and Nitrogen Use Efficiency in Fluvio-aquic Soil Region83-85,124
13Influences of Application of Sludge on Yield of Brassica chinensis and Accumulation of Heavy Metal Cadmium and Chromium86-90
15Isolation of Antagonistic Endophytes from Dioscorea opposita Thunb. CV. Tiegun against Erwinia carotovora var.carotovora94-96
19Comparison of Carrot Cultivars Introduced from Holland in Zhengzhou Area, Henan Province of China108-110
