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荔枝为我省珍果,营养丰富,经济价值高,驰名中外。但生产上普遍存在结实率低,严重影响产量(尤其10～20年生的适龄树)。为克服这急待解决的问题,我们自1975年起在有关部门的支持下,进行荔枝保花保果试验。试验结果看出根外施肥对提高荔枝座果率,促使果实增大,改善品质有良好的效果,应用于生产增产效果显著,已在我区大面积推广。现整理介绍如下:
Litchi is our province Zhenzhen, nutrient-rich, high economic value, renowned at home and abroad. However, there is widespread low rate of seed production in production, which seriously affects the yield (especially the age-matched trees of 10 to 20 years old). In order to overcome this urgent problem, we have conducted the litchi flower and fruit preservation test since 1975 with the support of the relevant departments. The results showed that extra-root application of fertilizers to improve the litchi fruit rate, to promote fruit increases, improve the quality of a good effect, applied to the production of a significant effect, has been widely promoted in our district. Now finishing introduction is as follows: