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肥料及农药研究所的拉缅农业化学试验站,从1958年起,开始研究各种磷肥在轮作中长期连续使用的效果。试验进行的条件和
Fertilizer and Pesticide Research Institute of Latin America Agricultural Chemical Experiment Station, from 1958 onwards, began to study a variety of phosphate fertilizer in the rotation of the long-term continuous use effect. Test conditions and conditions