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丘陵山地果园,一般土层较为浅薄,尤其是夏秋季节更为突出,连续几天无雨,就是灌水但不保水,因此夏秋采用树盘覆盖的作用较为明显:一是稳定土温,在高温伏旱期间,可以降低地温6～15℃,在冬季可以提高土温1～3℃,同时缩小土壤上下层的温差;二是保持土壤疏松透气以减少土壤水分蒸发和杂草;三是有利土壤微生物活动和增加土壤有机质;四是有利植株生长、
Hilly mountain orchard, the general shallow soil layer, especially in summer and autumn is more prominent, no rain for several days, is irrigation but not water, so the role of tree-plate cover in summer and autumn is more obvious: First, stable soil temperature, high temperature and drought During the period, the ground temperature can be reduced by 6-15 ° C, the soil temperature can be increased by 1-3 ° C in winter, and the temperature difference between the upper and lower soil layers can be reduced at the same time. Second, the soil can be kept loose and breathable to reduce soil water evaporation and weeds. And increase soil organic matter; Fourth, favorable plant growth,