遵化市改造中低产田的典型经验为了改变我市境内沙地、旱地中低产田旧面貌，从１９９３年开始，推广了以沙地垫上，增施粗肥，配方施肥，秸杆还田，增施钾肥，兴修水利为重点的综合改造措施，使全市３１．２万亩中低产田得到综合治理，具体措施是：一、沙地整土为了改善沙... Zunhua City, the transformation of medium and low yield field of typical experience In order to change the city of sand, dry land in the low-yielding fields of the old appearance, from 1993 onwards, to promote the sand pad, add coarse fat, formula fertilization, straw, Increase of potash, water conservancy construction focus on the comprehensive transformation measures, so that the city’s 31.2 million mu of low and medium-yield fields have been comprehensive management, the specific measures are: First, the whole area of ​​sand in order to improve the sand ...