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甘蔗是生长量大的碳四作物,一生中所需的大量矿质营养元素数量比较大,因此,甘蔗生产要想夺取高产,肥料投入是关键。甘蔗不同施肥量试验的目的就是从设定的A、B、C、D四个组合中筛选出最理想的施肥组合以供大田生产参考。试验结果表明C和B处理的产量与A对照相比达到显著水平。甘蔗生产的肥料投入以C处理每亩施用复合肥250公斤+尿素25公斤+磷酸二铵20公斤为最佳水平组合;其次是B处理每亩施用复合肥200公斤+尿素25公斤+磷酸二铵20公斤。
Sugar cane is a large quantity of carbon four crops, a large number of life required for a large number of mineral nutrients, therefore, sugar cane production in order to seize high yield, fertilizer input is the key. The purpose of different fertilization experiments of sugarcane is to select the best combination of fertilizers from the four combinations of A, B, C and D for the reference of field production. The experimental results show that the yields of C and B treatments reach significant levels compared to the A control. Fertilizers of sugarcane were put into the best combination of 250 kg of compound fertilizer, 25 kg of urea and 20 kg of diammonium phosphate per acre, followed by B treatment of 200 kg of compound fertilizer per acre and 25 kg of urea + diammonium phosphate 20 kg.