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连作对芋产量构成因素的影响 被引量:3

Influence of Continuous Cultivation to Constitutive Factors of Yield in Taro
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摘要 连作对芋的影响主要表现在母芋重、子芋平均重、子孙芋总重、芋总重等方面,连作后各性状值逐年减少,且差异达显著或极显著水平;对单株子芋和孙芋总重的影响较小,但仍呈减少趋势,对单株子芋和孙芋的数量的影响不稳定,且差异不显著。子孙芋产量平均每年减少27.7%,总产量平均每年减少33.5%;连作第1年就受严重影响,2年后,其商品性大大减小。 Continuous cultivation affected mainly mother taro weight average descendant taro weight and descendant and its offspring taro weight of plot whole taro yield of plot . All characters were deteriorated year by year and its difference was significant. The whole weight of descendant and offspring taro of per plant was affected slightly. The quantity was little affected. The taro was extremely affected in the first year of continuous cultivation .The yield of descendant and offspring taro decreased 27.7% each year. The whole yield decreased 33.5% each year. The marketability was extremely descended .
出处 《长江蔬菜》 2001年第4期33-34,共2页 Journal of Changjiang Vegetables
关键词 连作 产量 产量构成因素 地上部分性状 Taro Continuous cultivation Yield
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