砂姜黑土质粘水多土温低，易旱、易涝；土壤中含氮磷量少，生产力低，小麦亩产不足２００公斤。从１９９６年起，我县对４６万亩砂姜黑土地实施综合治理高产开发，产量逐年提高。１９９９年４６万亩砂姜黑土小麦平均亩产达３５１公斤，最高亩产达４６５公斤。主要采用了以 Sand Jiang black soil sticky soil temperature is low, drought, easy flood; soil containing less nitrogen and phosphorus, low productivity, less than 200 kg of wheat per mu. Since 1996, our county has implemented comprehensive management and high-yield development on 46,000 mu of ground lime black soil, and its output has been increasing year by year. In 1999, 46,000 mu of sago ginger soil average yield reached 351 kilograms, the highest per mu reached 465 kilograms. Mainly used to