Summer management plays an important role in improving the yield and quality of jujube. However, some fruit growers tend to attach importance to winter shear, but do not attach importance to summer scissor; some believe that jujube has strong drought resistance and does not require watering; Basal fertilizers are not top-dressed during the growing season; others do not pay attention to the prevention of diseases and insect pests. These all have a certain impact on the quality and yield of jujube. Microbiological fertilizer expert Jinbao now introduces the technical points of jujube summer management as follows:
1. Summer management of jujube fertilizer and water tillage weeding, loose soil protection, after rainfall and watering, timely shallow jujube garden soil, depth of 6-10 cm, and removal of weeds, weeds can reduce the competition for water, nutrients, Loose soil, reduce evaporation, and promote soil microbial activity. To increase soil fertility, top dressing, flowering and young fruit dressing should be performed in the middle and early July. Pre-emergence and flowering top dressings are mainly available nitrogen fertilizers; the topdressing fertilizer is supplemented with appropriate amount of phosphate fertilizer at the flowering stage; fertilization with nitrogen, phosphorus, and potassium elements is the main component of the fertilizer during the young fruit period, and nitrogenous fertilizer must not be applied. (Foliar Spray Fertilizer should be combined with spraying pesticide to fight leaf fertilizer in the growing season, with less fertilizer and quick effect. The type and concentration of foliar spray fertilizer are commonly used: urea, ammonium sulfate, ammonium phosphate, 6 & zinc sulfate, ferrous sulfate, borax , Superphosphate leachate, potassium dihydrogen phosphate, etc. The result can be sprayed with Golden Delicious fruit sweetening coloring agent to help the jujube coloring listed in advance to improve economic efficiency.Help flower water generally from late May to early June, flowering date The various organs of the tree grow rapidly and are very sensitive to moisture, and in case of drought during the flowering period, the jujube tree often causes a large number of flowers to fall off, which seriously affects the fruit setting rate. , Facilitate pollen germination and fertilization, improve fruit setting rate. In early July, positive jujube fruit rapid growth stage, a larger amount of water, combined with top dressing irrigation, can promote cell division and enlargement, promote fruit enlargement, on the jujube Tree yield is very favorable%!8&% of bulk water is generally in early August in late July, it is the volume of fruit growing in jujube, the largest amount of water. This watering is critical for improving yield and quality. Combined with topdressing.
2. Summer dates management of jujube jujube heads that have no use value just for germination should be erased from the base as soon as possible, which is conducive to ventilation and light transmission, so as to reduce nutrient consumption and promote the robust growth of trees. In June, the first branch, second branch and jujube hanging can be picked on the jujube head, which can effectively inhibit the vegetative growth of the jujube tree and turn the jujube tree to reproductive growth, which is beneficial to the results of the year and the cultivation of robust fruiting branches. Pull branches are generally carried out from May to July. The jujube head branches erected by pulling sticks are flattened to fill the vacant parts of the branches so that the branches are well-distributed and the jujube tree can be improved in ventilation and light transmission. In mid-June, the newly dated heads, leggy branches, oversized branches, overlapped branches, and cross-branches sprouted on the mother tree were promptly discarded. Through sparse branching, nutrient consumption could be reduced, and the conditions for ventilation and lightening of the crown could be improved, and fruit set can be improved. Rate, improve fruit quality. During summer pruning, it was found that the sprouts must be removed from the roots in time. Already there are 2/3 of the blooms when open-air yield increases. Choose to perform on a sunny day, otherwise it will be very unfavorable for the healing of the mouth. The phloem of the open armor was removed. In the open armor, there was a saying of "keep a trace and break a branch." Practice has proved that jujube trees can increase production by 50% in the current year, fruit quality is also significantly improved, the good fruit rate increased by more than 5%. Management details can be consulted: Beijing Huaxia Kangyuan Technology Co., Ltd. telephone toll-free hotline
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