断根对作物地上、地下部生长状况及产量的影响与断根时间、程度直接相关。
The effect of rootcutting on aboveground growth, underground growth and yield of crop was directly related with the time and degree of rootcutting.
农业生物学；土壤生物学关于植物养分和与土壤条件相关的生长的研究，尤其是对判定如何增加农作物产量方法的研究。
The study of plant nutrition and growth as related to soil condition, especially to determine ways to increase crop yield .
沼液和沼渣是新型环保优质肥料，其中含有较全面的养分和丰富的有机质，可促进农作物生长和提高其产量与品质。
Biogas slurry and biogas residues are new type of green fertilizers with comprehensive nutrition and abundant organic matter, which can promote the growth and improve the yield and quality of crop.
在田间及盆栽试验条件下，以小麦为主要实验材料，研究了干旱下无机营养与作物产量、生长、水分利用效率及抗旱性的关系。
The relationship between fertilizing and yield, growth, water use efficiency and drought-resistance of wheat were studied under field and pot conditions.
将遥感信息与作物生长模式结合来预测作物产量，是目前的一个热点研究课题。
Coupling remote sensing data with crop growth models to predict crop yield is a hot research topic.
有科学研究表明：作物生长过程中逆境条件造成的实际产量与潜在产量的差异甚至可达70%以上。
According to scientific research, various stress along crop life results in up to 70% of yield gap between the record and actual.
有科学研究表明：作物生长过程中逆境条件造成的实际产量与潜在产量的差异甚至可达70%以上。
According to scientific research, various stress along crop life results in up to 70% of yield gap between the record and actual.
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