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文章研究了在田间试验条件下,氨基酸叶面肥不同喷施次数对莴苣产量的影响。结果表明,不同喷施次数对莴苣产量有显著影响,增产范围6.6%~9.4%,净收益提高10.5%~13%;建议在莴苣生长的膨大期喷施2次氨基酸叶面肥为宜。
The article studied the effect of different spraying times of amino acid foliar fertilizer on the yield of lettuce in the field experiment. The results showed that different spraying times had a significant effect on the yield of lettuce, with the yield increasing ranged from 6.6% to 9.4% and the net income increased from 10.5% to 13%. It is advisable to spray the amino acid foliar fertilizer twice during the bulking stage of lettuce growth.