高海拔地区苹果秋施基肥效果调查

Nvestigation on Effect of Applying Basic Fertilizer on Apple in Autumn in High Altitude Area

针对甘肃省白银市"三区"服务点果农给果树只春季施基肥习惯,进行了秋季和春季施基肥试验。调查结果表明,早秋施基肥能促进当年花芽分化和延长叶片光合寿命,有利于光合产物的合成与积累,增加树体贮藏养分,能满足下年树体前期萌芽、抽梢、长叶、开花、坐果、幼果膨大等需求。

The farmers in Baiyin City of Gansu Province only apply basic fertilizer to the fruit trees in spring.The experiment of applying basal fertilizer in both spring and autumn was carried out.The results showed that the application of basal fertilizer in early autumn could promote the differentiation of flower buds and prolong the photosynthetic life of leaves in the current year,facilitate the synthesis and accumulation of photosynthetic products,increase the storage nutrients of the trees,and meet the requirements of early germination,shoot sprouting,flowering,buds putting forth,fruit setting,young fruit swelling and other needs in the early stage of the next year.