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为了全面了解黔江区有机肥资源及其利用情况,引导农民重视和使用有机肥,保证土壤生产能力,2012年3月2日至4月28日在重庆市黔江区有计划地抽样调查了500农户的有机肥资源及其利用情况。结果表明,黔江区有机肥资源量179.8万t,利用量114万t,利用率57.8%。其中:作物秸秆19.4万t,利用量11.9万t,利用率63%;绿肥产量2.55万t,利用量2.55万t,利用率100%;人畜粪便164.8万t,利用量98.9万t,利用率60%;饼肥0.83万t,利用量0.83万t,利用率100%。针对黔江区作物秸秆利用率极低,绿肥种植面积少,农民积造农家肥少,粪尿资源利用率较低,有机肥商品化低等问题提出了相应的对策措施。
In order to fully understand the organic fertilizer resources and their utilization in Qianjiang District and to guide farmers to attach importance to and use of organic fertilizers to ensure their soil productivity, 500 farms were surveyed in Qianjiang District of Chongqing from March 2 to April 28, 2012 Of organic fertilizer resources and their utilization. The results showed that the amount of organic fertilizer resources in Qianjiang District was 1,798,000 tons, the utilization amount was 1.14 million tons, and the utilization rate was 57.8%. Of which: 194,000 t of crop straw, the utilization of 119,000 t, the utilization rate of 63%; green manure production 25,500 t, the utilization of 25,500 t, the utilization rate of 100%; manure and livestock waste 1,648,000 t, the utilization of 989,000 t, the utilization rate 60%; cake fertilizer 8300 t, the use of 08300 tons, the utilization rate of 100%. Aiming at the problems of low utilization rate of crop stalks in Qianjiang District, less green manure planting area, less peasants accumulating farm land, less utilization of excreta and urinals, low commercialization of organic manures, some countermeasures are put forward.