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湘南红壤稻田施用镁肥的结果表明 :早稻高岸田每公顷苗数增加 75万 ,有效穗增加 63万 ,结实率提高9.0 % ,增产 9.0 % ;低垄田每公顷苗数增加 1 39万 ,有效穗增加 51万 ,结实率提高 2 .1 % ,产量增加 3 .4 %。晚稻高岸田每公顷苗数增加 46 .6万 ,有效穗增加 49.5万 ,结实率提高 4 .0 % ,产量增加 4 .7% ;低垄田每公顷苗数增加 83 .3万 ,有效穗增加 1 6 .5万 ,结实率提高 3 .3 % ,产量增加 8.3 %
The results of applying magnesium fertilizer to paddy fields in southern Hunan showed that the number of seedlings per hectare increased 750,000 per hectare and the effective panicle increased 630,000, the seed setting rate increased 9.0% and the yield increased 9.0%. The number of seedlings per hectare in low ridge fields increased by 1.39 million Spike increased by 510,000, seed setting rate increased by 2.1%, yield increased by 3.4%. In late rice, the number of seedlings per hectare increased by 466,000 in Hetianhutian, the effective ear increased by 495,000, the seed setting rate increased by 4.0% and the yield increased by 4.7%; the number of seedlings per hectare in low ridge land increased by 83,300, the effective panicle increased 16.5 thousand, seed setting rate increased by 3.3%, output increased by 8.3%