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Position: Home > Articles > Study on K fertilizer application's maximum benefit in high quality super rice Y-liangyou-372 Journal of Guangxi Agriculture 2014,29 (1) 13-16+19

优质超级稻Y两优372施钾最大效益研究

作者：

胡全鉴

单位：

钟山县土肥工作站

关键词：

优质超级稻;钾施用量;最大效益

摘要：

为了研究石灰性田种植优质超级稻施钾最大效益,在石灰性田进行Y两优372施K2O最大效益的回归试验研究。根据试验研究结果,通过回归分析,建立了Y两优372产量与施K2O量的效应函数模型,结合石灰性田耕层养分状况、气候、Y两优372品种特性、栽培技术、相关物价和施K2O效益等情况综合评估与分析,确定石灰性田种植Y两优372最大效益产量8108.7kg/hm2,最大效益施K2O 115.8kg/hm2。最大效益产量比不施K2O增产908.7kg/hm2,增长12.62%,增加效益1447.87元/hm2,产投比为2.98。

译名：

Study on K fertilizer application's maximum benefit in high quality super rice Y-liangyou-372

作者：

Hu Quan-jian;Soil & fertilizer working station of Zhongshan County;

关键词：

High quality super rice;;K fertilizer application amount;;maximum benefit

摘要：

In order to know K fertilizer application's maximum benefit for high quality super rice cultivation in calcic field, a regression experiment study was conducted on this topic in super rice Y-liangyou-372. Based on the experiment results and regression analysis, effective function model of between Y-liangyou-372's yield and K2O application amount was established, integrated with field plough layer nutrient, weather, variety characters, cultivation technology, relevant prices and K2O application benefit, an evaluation & analysis was conducted to confirm that the yield and K fertilizer application amount for maximum benefit were 8108.7 kg/hm2and 115.8 kg/hm2respectively, this yield was 908.7 kg/hm2,higher than that without K application(increase by 12.62% and benefit increase of 447.87Yuan/hm2,and finally the ratio of input-output was 2.98.

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优质超级稻Y两优372施钾最大效益研究

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