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施用白云石改良酸性红黄壤田间定位试验第 3、4季油菜和玉米的试验结果表明 :施用白云石的处理与对照比较仍能明显地促进油菜、玉米的生长发育 ,改善作物经济性状 ,显著地提高作物的籽粒产量。其中施用 160 0kg/hm2 白云石处理的油菜、玉米的产量最高 ,分别为 2 5 18、492 8kg/hm2 ,比对照分别增产 16.2 %和 44 .6% ;经济效益最好 ,经济效益分别为 473 4和44 3 5元 /hm2 。施用白云石表现出了显著的后效
Application of dolomite improved acid red and yellow soil field positioning test in the third and fourth season rapeseed and corn test results show that: the application of dolomite treatment and control can still significantly promote the growth and development of rape and corn, improve crop economic traits, significantly Increase crop grain yield. Among them, the yield of maize treated with 160 kg / hm2 dolomite was the highest, which was 2518,492 8kg / hm2, which increased by 16.2% and 44.6% respectively compared with the control; the economic benefit was the best and the economic benefit was 473 4 and 44 3 5 yuan / hm2. Application of dolomite showed significant aftereffect