塑料大棚栽培果树 ,尤其是连续几年扣棚 ,造成土壤中盐分积聚而引起的土壤盐渍化是生产中普通存在的问题。盐渍化降低了土壤的肥力、缓冲能力和有效微生物的比例 ,从而对果树生长产生不利影响。如何才能有效预防棚内土壤的盐渍化呢 ?1　增施有机肥　棚内栽培果树 ,应该特别注意 Plastic greenhouse cultivation of fruit trees, especially for several years spike shed, causing salt accumulation in the soil caused by soil salinization is the production of common problems. Salinization reduces soil fertility, buffering capacity, and the proportion of effective microorganisms, adversely affecting fruit tree growth. How to effectively prevent the shed soil salinization it? 1 by adding organic fertilizer shed cultivated fruit trees, should pay special attention