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稻草还田免耕抛秧在撒施碳铵后沤田,秧苗回青及分蘖比不施碳铵的提早2~3 d,后期青枝蜡秆,有效穗增加,每公顷增产91.5~280.5 kg,增收300~630元。碳铵用量以300 kg/hm2效果较好。
Straw returning to the field after no-tillage throwing seedlings in the application of ammonium bicarbonate Hou Tian, seedling back to green and tiller than the absence of ammonium bicarbonate 2 ~ 3 d earlier, later green branches, the effective spike increased yield per hectare 91.5 ~ 280.5 kg , An increase of 300 ~ 630 yuan. The amount of ammonium bicarbonate to 300 kg / hm2 better.