水稻高产精准施肥技术示范研究

Demonstrative Study on the Benefit of Precisely Applying Fertilizer to the Paddy Fields in Shanghai Suburb Farms

以规模经营农场4 000 hm^2粮田为研究区,在地理信息平台ARCGIS上,利用GPS定位网格化采集土壤样品2002个。建立22个水稻高产千亩方示范基她。试验结果表明,应用土壤快速测定方法为当季水稻进行推荐施肥,水稻平均产量10 402.5 kg·hm^(-2)比常规9 429.0 kg·hm^(-2),增产973.5 kg·hm^(-2),平均增产10.33%,增收1 786.8元·hm^(-2)。研究结果为精准施肥技术示范推广提供了科学依据。

Based on the geographic information platform ARCGIS, 2002 soil samples were collected by means of GPS network, and 22 high-yield paddy demonstration bases were established in the 4 000 hm^2 paddy farmland of Shanghai suburbs Dimensions farm. The examination results indicated that using the method of rapidly testing soil nutrients and the recommended rate of fertilizer application av- eragely by 10 402.95 kg·hm^-2, 9 429.0 kg·hm^-2 increased paddy yield by 973.95 kg·hm^-2, or 10.33%, or 1 558.2 yuan ·hm^-2. This provides grounds for the population of precision fertilizing technique of rice farmland.