但单株籽粒蛋白质产量表现正向杂种优势，平均17.20%。
But the average heterosis of all hybrids in grain protein yield per plant was 17. 20%.
籽粒产量和蛋白质含量对底追比例的反应有一定差异。
The grain yield and protein content responded differently to the ratio of base to topdressing nitrogen.
籽粒产量和蛋白质含量之间的负相关关系可以通过培肥地力和合理的肥水运筹加以协调。
The negative correlativity between the yield and the protein content of spring wheat grain were changed by increasing soil fertility and harmony the correlation fertilizer and soil water content.
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