High yield of close planting of BlackBerry

First, apply sufficient base fertilizer and plant it in a reasonable and close way. Select valleys and fields with good fertility, loose soil and good drainage, and apply rotten farm manure 1000 MUL 1500 kg per mu, superphosphate 120 MUE 150 kg, and generally plant 900 plants per mu. Seedlings should choose plants with strong main stem, developed root system, full bud eyes and no diseases and insect pests. When planting, first comply with the root system of the seedling to straighten out, then cover the soil to bury and compact, pour through the fixed root water, and then wash the water every 2 Murray every 3 days until it survives.

Second, pruning after planting. BlackBerry winter pruning is very important, pruning is good or bad, pruning how much directly related to the next year's yield and quality. Generally, each plant has 3 sturdy branches, and each branch has 0.4 Murray 0.6 meters long about 6 Murray 7 buds, and the overgrown part is cut off so as not to consume nutrients. In the spring of the following year, when the buds grew to 10 murmur20 cm long, three thick buds were left for each branch, and all the excess buds were removed. When pruning, we should also pay attention to dividing the branches and buds into the upper and lower layers in order to make full use of the light.

Third, management after pruning. Blackberries generally begin to sprout after the Spring Festival in the south, when "budding fertilizer" should be applied, mainly nitrogen and phosphorus, and water should be applied twice according to 10 kg of ammonium hydrogen nitrogen, 15 kg of urea and 20 kg of phosphate fertilizer per mu. It was applied twice before and after flowering and during the fruit expansion period, and the time should be applied twice a month. At the same time, combined with foliar fertilization: spray Bao, potassium dihydrogen phosphate, urea and fruit agent every 10 days after flowering, spray 3 Murray 4 times. From the end of April to the beginning of May in the south, and in the middle of May in the north, some blackberries begin to ripen and some stop fertilizing while they are still in bloom.

Fourth, the BlackBerry has extremely strong tillers and numerous branches. Pruning and removing most of the branches in the case of close planting can ensure that nutrients are concentrated on a small number of fruits, double the size of the particles, and achieve close planting and ventilation. Generally speaking, after this pruning, the single grain weight of the BlackBerry can reach 12Mui 15g, and the weight per panicle is about 0.5Mui 1.2 kg. The yield per mu is also increased by 1200Muth1500kg from the unpruned and non-densely planted BlackBerry, and the economic benefit is very remarkable.