1.平整地、深耕法。花花碱或片碱地,多因地势不平,日久形成高碱低涝。防治方法:首先是起高垫低,使地平整,碱性减轻;其次是深耕晒垄,不仅可提高土壤活性和肥力,还能切断毛细管,提高土壤通透性和耕作层蓄水性能,阻断返盐碱。在耕翻盐碱地时,秋耕宜早,春耕宜迟,以保全苗。 1. Flat, deep plowing law. Flower caustic soda or alkaline, mostly due to uneven terrain, over time, the formation of high alkali low flood. Prevention and control methods: The first is from the high pad, so that the formation of the ground to reduce alkaline; followed by deep plowing sunning, not only can improve soil activity and fertility, but also cut off the capillary to improve soil permeability and plow water storage performance, resistance Broken back to salt. In tilling the saline soil, autumn tillage should be early, spring tillage to protect seedlings.