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Impact of different sowing dates on green water footprint of maize in western Jilin Province EFFECTS OF DIFFERENT TYPED RICE VARIETIES AND SOWING DATES ON SOLAR RADIATION AND VERTICAL DISTRIBUTION OF DRY MATTER IN RICE POPULATION Effects of different sowing dates on yieid and protein content of spring wheat Responses of Endogenous Hormone Contents in Leaves of Main Stem in Different Developmental Stages of Winter Wheat Varieties Sowed in Spring Flag leaf photosynthetic characteristics, change in chlorophyll fluorescence parameters, and their relationships with yield of winter wheat sowed in spring. Dynamic Characteristics of Leaf Area Index in Maize and Its Model Establishment Based on Accumulated Temperature VARIATION IN WHEAT GRAIN QUALITY GROWN UNDER DIFFERENT CLIMATIC CONDITIONS WITH DIFFERENT SOWING DATES Sowing date effects on vetch seed quality Spatial and temporal variations in optimum sowing date of winter wheat in Shijiazhuang City Effects of sowing date and rate on grain filling characteristics of winter wheat under chilling injury Effects of sowing date on tobacco yield and quality Effect of sowing date on agronomic, physiologic and yieldindicators of wheat in North Henan Province Effects of Sowing Date on Accumulation and Distribution of Biomass and Nitrogen in Cotton Bolls Sowing date of corn in semiarid region of Jilin Province, Northeast China in adapting to climate change. Effects of different sowing dates and  low-light stress at heading stage on the physiological characteristics and grain yield of hybrid rice. STUDIES ON NITROGEN UPTAKE AND UTILIZATION BY RAPE (Brassica napus L.) UNDER DIFFERENT SOWING DATES Effects of Sowing Date on Activities of Enzymes Involved in Grain Starch Synthesis and Starch Component Accumulation in Wheat Cultivar Gaocheng 8901 Dynamic Characteristics of Floret Differentiation and Degeneration in Rice Adaptation and determination of sowing date under climate change in early matured rice in Guangdong Province Influences of sunflower sowing dates on preventing Homoeosoma nebulellum and Verticillium dahliae Dynamic of Grain Falling Number in Spring Wheat and Effects of Nitrogen, Phosphorus Fertilizer and Sowing Date on It during Grain Filling Effect of Different Cultivated Practices on Pentosan Content in Wheat Grains Effect of sowing date and quantity on yield and quality of Houttuynia cordata new strain Effect of sowing date and density on sink/source relationship and canopy light transmission of summer maize (Zea mays L.) Effect of sowing date on growth and yield of spring-maize Effect of sowing date and rate on canopy intercepted photo-synthetically active radiation and yield of winter wheat Characteristics of grain filling and flag leaf photosynthesis of high quality wheat under different planting dates Studies on Full Heading and Safe Sowing Date for Different Maturing-type Japonica Rice Cultivars of Jiangsu Province Effects of sowing date on 2-acetyl-1-pyrroline content and yield of late season aromatic rice Spectral Monitoring of Winter Wheat Above-ground Dry Biomass in Various Sowing Dates Effect of Sowing Date on Yield and Characteristics of Photosynthesis and Matter Production of Different Types in Mechanical Transplanted Rice Studies on the Effect of Vernalization in Barley Determining suitable sowing dates for aerobic rice in Beijing area using the ORYZA2000 model Effect of sowing date on yield and phytomass allocation of silage maize in Hunshandak Sandy Land Adaptative adjustments of the sowing date of late season rice under climate change in Guangdong Province Studies on High-yield Agronomic Measures of Curcuma longa L. Response of Canopy Spectral on Chlorophyll Content of Winter Wheat under Different Sowing Date EFFECTS OF TEMPERATURE AND SUNLIGHT CONDITIONS ON THE YIELD OF DIRECT SEEDING RICEIN DIFFERENT GROWTH STAGES Yield in Response to Accumulated Temperature before Winter in Winter Wheat Effects of Meteorological Factors at Different Growth Stages on Yield Traits of Maize (Zea mays L.) in Heilonggang Basin Maize growth and its responses to heat condition in Northeast China. Effects of sowing date and planting density on the seed yield and oil content of winter oilseed rape. Effects of Sowing Dates on Alfalfa Productivity and Winter Ability Effects of sowing date on morphologic characteristics, yield and quality of Radix Isatidis