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首页> 外文期刊>Better crops with plant food >Economics of Fertilizing Irrigated Cereals in the Indo-Gangetic Plains
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Economics of Fertilizing Irrigated Cereals in the Indo-Gangetic Plains

机译：印度恒河平原灌溉谷物的施肥经济学

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摘要

Cereals constitute the staple food in India, and about 61% of the total protein requirement of the Indian population is met through cereals. They use about 63% of the total fertilizer consumed in India, of which rice, wheat, and maize use 37, 24, and 2% of the total, respectively (Chanda, 2008). Cereals are grown under variable conditions in the IGP (i.e. soil types, cropping systems, agro-ecological regions, etc.). Such variability in land characteristics and growing environments is re. ected in the productivity (attainable yield) and subsequently in nutrient requirement by these crops. This necessitates the integration of crop response data with fertilizer decision sup-port for increased productivity, higher economic returns, and better environmental stewardship. This study was conducted to estimate: (1) response of cereals to NPK application, (2) economic return on investment in N, P, and K fertilizers, and (3) profi tability of NPK application under current and projected future fertilizer price and crop value or minimum support price (MSP) scenarios
机译：谷物是印度的主食，谷物满足印度人口总蛋白质需求的约61％。他们使用的肥料约占印度消耗的总肥料的63％，其中大米，小麦和玉米分别使用总肥料的37％，24％和2％（Chanda，2008年）。在IGP中，谷物是在可变条件下生长的（即土壤类型，种植系统，农业生态区等）。土地特征和生长环境的这种变化是重新的。这些作物的生产力（可达到的产量）以及随后的养分需求将受到影响。这就需要将作物响应数据与化肥决策支持相集成，以提高生产力，提高经济效益和更好的环境管理。进行这项研究的目的是估计：（1）谷物对氮磷钾施用的反应，（2）氮，磷和钾肥料的经济投资回报率，以及（3）在当前和未来肥料价格和预期下氮磷钾施用的利润和作物价值或最低支持价格（MSP）方案

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