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对砂姜黑土区玉米进行田间试验,目的在于筛选出适合当地的复合肥配方,减少肥料用量,增加经济效益。结果表明:5个处理中以缓释肥(25-10-10)处理产量最高,达7 954 kg/hm2,其利润也最高。
The field trials of corn in the lime concretion black soil area were carried out in order to select suitable formula for the local compound fertilizer, reduce the amount of fertilizer and increase the economic benefits. The results showed that the highest yield reached 7 954 kg / hm 2 with the highest yield of 5 treatments with slow release fertilizer (25-10-10).