The effect of five N levels on root yield and sugar content and production of sugar was studied with one beet variety, in order to select the best N level for high yield and high sugar content.
本试验主要是研究同一甜菜品种在五种氮素水平处理下对甜菜的块根产量、含糖率、产糖量的影响，寻求获得高产高糖的最佳施用氮素水平。
The effects of deep cultivation root cutting on the dry weight of root system after anthesis and yield have been studied in dry land wheat with high yield.
在旱地大田条件下研究了深耘断根对旱地高产小麦花后根系干重及产量的影响。
Adequate root number, deep root system, and efficient root activity per unit of root biomass will be needed for high-yield rice in the future breeding programs.
提出了未来水稻根系育种的一个方向，既适当控制根系的数量，增加根的平均长度，加深根在土壤中的分布，扩大根系的面积以及提高单位根量的根功能。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results showed: (1) SAB 3 had the characters of strong root system, dark green leaves, high yield potential, good resistance and longer stage of vegetative growth.
结果表明：（1）SAB-3根系发达，叶色深绿，丰产性好，抗性强，营养生长期较长；
The results showed: (1) SAB 3 had the characters of strong root system, dark green leaves, high yield potential, good resistance and longer stage of vegetative growth.
结果表明：（1）SAB-3根系发达，叶色深绿，丰产性好，抗性强，营养生长期较长；
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