Diurnal changes in the photosynthetic characteristics of two high yield and high quality grasses during different stages of growth and their response to changes in light intensity Effects of Shading on Photosynthesis and Yield of Tomato Plants at DifferentGrowth Stages Effects of Shading on Photosynthesis and Yield of Tomato Plants at DifferentGrowth Stages Comparative Study on Yield and Nutritional Quality Characteristics of Four Bothriochloa ischaemum Populations Effects of Drought Stress on the Yield and Metabolic Regulation at Different Growth Stages in Peanut Effects of root cutting at different growth stages on photosynthetic characteristics and yield of peanut Arachis hypogaea L. Dynamic accumulation of saponins in Hedera helix Study on dynamic growth of Codonopsis pilosula Effects of Low Light on Morphological and Physiological Indexes of Tomato atDifferent Growth Stages Effects of Low Light on Morphological and Physiological Indexes of Tomato atDifferent Growth Stages Drought variations of winter wheat in different growth stages and effects of climate trend in Huang-Huai-Hai Plain, China Integrating geographic features and weather data for methodology of rasterizing spring maize growth stages Effects of water limited deficit stress during different growth stages on leaf protective enzymes of winter wheat Effect of water-limiteddeficit stress in different growth stageson winter wheat grain yields and their yield constituents Biological characteristics of tissue cultured plantlets of Siraitia grosvenorii The characters of salt-tolerance at different growth stages in cotton The pollution monitoring index system of wheat at different growth stages under the stress of Cd,Cr and Pb The impacts of global climatic change on chilling damage distributions of maize in Northeast China Changes of Photosynthesis in Panax ginseng Leaves at Different Growth Stages EFFECTS OF COMPOUND POLLUTION OF ZINC AND CHROMIUM ON SOIL ENZYME ACTIVITY AT DIFFERENT GROWTH STAGES OF RICE PLANT DIFFERENCE OF SALT TOLERANCE IN HORDEUM VULGARE AT DIFFERNT GROWTH STAGES Kinetic study on cell wall components for brittleness mutation rice at different growth stages Comparison of Active Constituents at Different Growth Stages in Salvia miltiorrhiza Bge. and Salvia miltiorrhiza Bge. f. alba Photosynthesis and Water Use Efficiency of Platycladus Orientalis and Robinia Pseudoacacia Saplings under Steady Soil Water Stress during Different Stages of Their Annual Growth Period Variations of winter wheat growth stages under climate changes in northern China Sensitivity of Platycladus orientalis young tree to water stress and its transpiration efficiency at different growth stages during annual growth period Primary Study on Gene Differential Expression of Pest-resistant Cotton Hybrids between Different Heterosis Crosses