绥滨县位于黑龙江省东北边陲,三江平原北部,土壤低湿易涝,极度缺磷。大豆是该县的主栽作物之一,播种面积40万亩,占粮豆总播种面积的45%,商品率60%。大豆单产不高,总产不稳,历年平均仅为84公斤。对此,我们开展了大豆施磷增产效应的试验,获得了高产高效益。一般增产10～50%,平均增产28.3%;亩增经济效益6～46 Suibin County is located in the northeastern border of Heilongjiang Province, northern Sanjiang Plain, the soil is wet and easy to flood, extreme lack of phosphorus. Soybean is one of the main crops in the county. The sown area is 400,000 mu, accounting for 45% of the total sown area of ​​grain beans and the commodity rate is 60%. Soybean yield is not high, the total output instability, the average annual only 84 kg. In this regard, we have carried out the test of soybean phosphorus production increase effect, obtained high yield and high benefit. The general increase of 10 to 50%, an average yield of 28.3%; increase in economic benefits 6 to 46 acres