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哥斯达黎加农业技术人员利用密植法成功地提高了芭蕉单位面积的产量和收入。密植法是把每 hm2的芭蕉植株从16 0 0株增加到 2 85 7株。经过实验 ,发现密植有以下几个优点 :(1)密植后的芭蕉产量从每年每 hm2 2 5 0～ 30 0箱 (每箱 5 0磅 )增加到每年每 hm2 10 0 0～ 130 0箱 ,增
Costa Rica’s agricultural technicians succeeded in increasing the yield and income per planta of plantain by using the planting density method. Close planting method is to increase the plantains per hm2 from 160 plants to 2757 plants. After the experiment, it was found that the close planting has the following advantages: (1) The production of plantain after close planting has increased from 250 to 30 0 boxes per hm 2 (50 pounds per box) per year to 10 0 to 130 boxes per hm 2 per year, increase