为土地“输血”近年来，农作物产量越来越低，农民种庄稼越来越觉得不划算，如种的水稻，越来越是壳多、穗短、粒少。又如种的红苕、洋芋等。苗子虽长势好，就是不结果实。原因就是种＂化肥庄稼＂，土地缺乏多种足够的养料，肥力下降，土地板结，＂贫血＂严重。咋办？笔者... In recent years, the output of crops has been getting lower and lower, farmers increasingly think it is not worthwhile to grow crops. Species such as rice are more and more husked, spike shorter and fewer grains. Another example is the kind of red pomfret, potato and so on. Although the growth of seedling is good, it is not fruitful. The reason is the kind of “fertilizer crops,” the lack of adequate land for a variety of nutrients, fertility decline, land consolidation, “anemia” serious. What to do? author...