不同浓度沼液滴灌对设施番茄生长发育的影响

Journal of Shanxi Agricultural Sciences(2018)

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Abstract
试验采用不同浓度(25%,50%,75%,100%)的沼液对设施番茄进行滴灌施肥,探讨施用沼液对番茄生长、产量和品质的影响.结果表明,与清水对照相比,施用沼液可促进番茄生长、提高产量和改善品质;当沼液体积分数为50%时,番茄的株高、茎粗和果实直径较大,分别达132.3,2.53,7.81 cm,较对照分别高出21.94%,50.60%,29.30%;产量较高,达92.79 t/hm2,较对照增产29.00%;且番茄红素、可溶性糖、糖酸比、Vc含量等品质指标也较佳.因此,灌溉体积分数为50%的沼液对提高设施番茄产量、改善品质以及促进绿色无公害蔬菜种植具有重要意义.
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