摘要
为筛选出密云地区高品质番茄结果后促进果实生长发育的适宜水溶肥,本试验选择 3 种不同氮磷钾比的水溶肥进行试验,测定了番茄的植株长势、果实品质及产量等指标.结果表明,在果实质量方面,处理 2(施用氮磷钾含量为15-5-35)的水溶肥效果最好,株高最高,日均生长量为 2.33 cm/d;单果质量为 75.95 g,折合 667 m2 产量为 4 145.39 kg;果实糖酸比和维生素C分别为 6.66 和 22 mg/100 g.在经济效益方面,处理 3(15-5-30)的产投比最高,处理 1(CK)的产投比最低.综合分析,在密云地区高品质番茄结果后推荐施用氮磷钾含量为 15-5-35 的水溶肥.
Abstract
In order to screen for suitable water-soluble fertilizers that promote fruit growth and development of high-quality tomato after fruiting in Miyun area,this experiment selected three different water-soluble fertilizer varieties with different nitrogen phosphorus potassium ratios for analysis by measuring indicators such as tomato plant growth,fruit quality,and yield.The results showed that in terms of fruit quality,treatment 2(with nitrogen,phosphorus,and potassium content of 15-5-35)had the best water-soluble fertilizer effect,the plant height was the highest,and the plant growth rate was 2.33 cm/d.The mass of a single fruit was 75.95 g,the yield was 4 145.39 kg/667 m2,the fruit sugar acid ratio and vitamin C were 6.66 mg/100 g and 22 mg/100 g,respectively.In terms of economic benefits,treatment 3(15-5-30)had the highest production to investment ratio,while treatment 1(CK)had the lowest production to investment ratio.Based on comprehensive analysis,it was recommended to apply water-soluble fertilizers with nitrogen,phosphorus,and potassium contents of 15-5-35 after high-quality tomato yields in Miyun area.
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