论文部分内容阅读
一、建园 选择地势平坦、光照充足、水源良好、交通便利的地块。对于低洼地要注意改善农田排灌条件,开好排水沟防止涝害。 二、改土 根据土壤质地不同,采用客土式的改园方法改良土壤。对过于粘重的土壤,适当掺入沙土、垃圾、河泥等改良材料;对于保肥、保水性差的沙土,需要用粘土进行客土,以改善土质。
First, the construction of the choice of flat terrain, adequate light, good water, convenient transportation of land. For low-lying land should pay attention to improving irrigation and drainage conditions, open drain to prevent waterlogging. Second, soil improvement According to the different soil texture, the use of land-based approach to change the soil to improve the soil. Too much sticky soil, appropriate incorporation of sand, garbage, river mud and other improved materials; for fertilizer and poor water retention of sand, you need to use the soil for soil to improve soil quality.