施钾对加工番茄产量与品质的影响
Soil and Fertilizer Sciences in China(2008)
Abstract
通过2年的加工番茄钾肥用量田间试验和示范,研究加工番茄的钾肥效应。结果表明,施用钾肥可以显著增加加工番茄产量,经济效益显著;由钾肥的效应方程可以得出:推荐施钾(K2O)量为144~146 kg/hm2,N∶K2O为1∶0.8。施钾可以显著降低番茄果实硝酸盐含量,提高加工番茄果实茄红素含量,减少烂果量,同时可提高果实糖酸比、果实Vc和可溶性固形物含量,从而改善加工番茄品质。
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Key words
processing tomato,yield,quality,potassium
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