A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
The higher oil yield and better quality could be obtained with the root age of 20-24 months.
从根龄20—24个月的香根得到的精油产量最高,质量最好。
The quantity of branches and toots are not easily modified coordinately with the quantity of root tubers, the quantity of multi-tuber root and the yield per plant.
分支数、根数与单株块根数、多块根根数、单株鲜产量是不易协同改良的性状。
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