Every year, the pomegranate fruit is timely replenished with nutrients after harvest, and the tree vigor is restored. After the fruit is harvested, 1% urea, 0.3% potassium dihydrogen phosphate are sprayed on the deciduous front leaves, and 10000 times of Shuonfeng 481 (brassica oleoresin) is mixed. 2 times, delay the defoliation of the tree, increase the level of photosynthetic nutrition, and avoid the tree to fight with hunger and cold. After deciduous leaves in early winter, the base of the tree body is earthed in a timely manner, with a thickness of 20-30 cm, to protect the rhizomes, prevent the rhizomes from freezing, and coat the trunks with white, tying grass and protecting the trees. Pouring frozen water and pre-emergence water, during the annual winter and spring season, the temperature dropped sharply to minus 10 degrees Celsius.
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