4Genetic Correlations and Comparison of Selective Effects between Grain Number per Square Meter and Yield Components of Wheat12-14
6Leaf Senescence Differences between Cotton Variety SGK 321 and SY 321 without Chemical Control of Second Generation Bollworm19-22
8Content Variation of Main Nutrients in Shoots, Leaves and Fruits of Peach in Greenhouse and Their Correlation27-29,33
10Effects of accumulated temperature changes on sowing dates of summer maize and winter wheat in double cropping system34-37
11Effects of NPK fertilizer, straw returning and density on maize yield and agronomic characters37-40
12Study on optimum sowing date and seeding rate of wheat variety Jimai 22 in the central part of Shandong Province41-43
16Study on Phosphorus Supplying Characteristics of High-yielding Field with Fluvo-aquic Soil in Shandong Province50-53,57