Which all bring about a tremendous effect on agricultural economy of Qingdao, increase grain yield and agriculturalbenefit as well as peasant's income.
农业补贴政策的调整促进了粮食增产、农业增效、农民增收。
The result indicated that, under the same base fertilization, increases topdressing nitrogen to certain extent could significantly increase grain yield.
结果表明，在底肥相同的条件下，在一定范围内增加追施氮肥，产量显著提高。
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田，稳定粮食播种面积，优化粮食品种结构，着力提高粮食单产。
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