农村钾素资源的合理开发与利用钾是营养农作物的三要素之一，在农业生产中占有重要地位。随着农田复种指数的提高，土壤中的钾被作物大量的带走，目前商品钾肥供应短缺，价格高涨，土壤缺钾已成为作物高产优质的重要限制因素之一。因此，合理开发利用农村钾素资源是解决目... Rational development and utilization of potassium resources in rural areas Potassium is one of the three elements of nutritious crops and plays an important role in agricultural production. With the improvement of farmland multiple cropping index, the potassium in soils is taken away in large quantities by crops. At present, the supply of potash fertilizer is in short supply and the prices are soaring. Potassium deficiency in soils has become one of the most important limiting factors for crop yield and quality. Therefore, the rational development and utilization of potassium resources in rural areas is to solve the project ...