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首页> 外文期刊>Pollution >Effect of a thermal power plant waste fly ash on leguminous and non-leguminous leafy vegetables in extracting maximum benefits from P and K fertilization
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Effect of a thermal power plant waste fly ash on leguminous and non-leguminous leafy vegetables in extracting maximum benefits from P and K fertilization

机译：火力发电厂废粉煤灰对豆类和非豆类叶菜类蔬菜的磷钾肥肥效最大化

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摘要

Although the Indian population is largely vegetarian, not much attention has been given to the cultivation of vegetables, as compared to other crops like cereals, pulses and oil seeds. Therefore, the present study was conducted on two leafy vegetables, spinach (Spanacia oleracea L.) and methi (Trigonella foenum graecum L.) commonly grown in Aligarh, as the two popular vegetables of Indian diet. The study was conducted for two successive years and during the first year, phosphorus and fly ash interactions with a uniform dose of nitrogen and potassium on both vegetables was observed. During the second year, while keeping nitrogen and phosphorus uniform, potassium and fly ash combinations were studied again with both vegetables, to determine the optimum dose of inorganic fertilizers and fly ash combination. It was observed that fly ash applied at the rate of 15 t ha-1 along with N40P15K20, proved optimum for spinach while in the case of methi, N20P30K40 + FA10 was sufficient. Therefore, both vegetables can safely be grown with 10 to 15 t ha-1 of fly ash and a comparatively lower quantity of NPK.
机译：尽管印度人口主要是素食主义者，但与谷物，豆类和油料种子等其他农作物相比，蔬菜的种植并未受到太多关注。因此，本研究对两种叶类蔬菜，菠菜（Spanacia oleracea L.）和methi（Trigonella foenum graecum L.）通常在阿里加尔种植，作为印度饮食中两种流行的蔬菜进行了研究。该研究连续两年进行，在第一年中，在两种蔬菜上均观察到磷和粉煤灰的相互作用以及均匀剂量的氮和钾。在第二年中，在保持氮和磷均匀的同时，再次研究了两种蔬菜的钾和粉煤灰组合，以确定无机肥料和粉煤灰组合的最佳剂量。观察到与N40P15K20一起以15 t ha-1的比例施用粉煤灰，证明对菠菜是最佳的，而在二甲胺的情况下，N20P30K40 + FA10足够。因此，两种蔬菜都可以安全地种植10至15 t ha-1的粉煤灰和较低的NPK量。

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