The influence of environmental condition and cultivation measures on the yield and quality of high-starch maize can lead the underdevelopment of the advantages of variety and affect the large spread.
高淀粉玉米产量及品质由于受环境条件和栽培措施的影响，而导致品种优势得不到发挥，影响大面积推广。
According to physical geographic, meteorologic and energy condition in Xining city, the authors analyse the environmental atmosphere quality and give the measures to control the air Pollution.
结合西宁市的自然地理条件、气象条件、能源状况等因素对西宁市的环境空气质量进行了分析，并就空气环境污染控制措施提出建议。
Based on the strain characteristics of scented rice, this paper studies the effects of environmental and ecological condition on the growth and quality of this crop.
本文就传统香稻的特点、环境条件对香稻生长发育的影响进行了分析，认为香稻应以高产、抗病和优良的理化品质为改良目标。
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