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& 在墨西哥研究了N肥和赤霉酸(GA)对芒果树开花的抑制作用。在锡那罗亚州马萨坦和埃斯奎纳帕村选择4个商业化芒
In Mexico, the effects of N fertilizers and gibberellic acid (GA) on the flowering of mango trees were studied. Choose 4 commercial mansions in Masatan and Esquina village of Sinaloa