Mashu orange tree cultivation techniques

1. Make a good tree shape. Practice has proved that opening up the tree is the basis for the early fruitful harvest of the Ma Shui. To increase the growth angle of shoots. The standing branch moisture nutrient runs faster and grows. Parallel branches or pendulous branches, with single-sided transduction, in the summer it is important to transmit nutrients under the branches, and in autumn and winter it is important to transmit nutrients above the branches, there is probably accumulated in the branches and buds more The nutrients that form flower buds decompose. Therefore, plastic surgery should be the most important task for saplings, and it is best to start with a primary branch to set a good tree shape. Admit low dry shaping, increase branching angles, open canopy, increase trunk growth, and increase nutrient accumulation. Although juvenile tree is the main attack, but do not blindly push. When tipping out, you should go to zero and leave it to rest. If you do not get it together, you should also strictly control the tipping amount. Usually, you should use three buds per branch as a measure, and keep the tip of the tip and leave the weak tip to ensure that each new tip is thick and evenly shaped.

2, a tip two fat. One shoot and two fertilizers refer to the application of a fertilizer at least before budding and when shoots turn green. Juvenile trees are important for vegetative growth and are provided with sufficient fertility. Fertilizer should be timely, to achieve a tip two fat, mainly organic fertilizer, coupled with a small amount of nitrogen fertilizer, it is best to use ample decomposed peanut bran water, chicken water, in order to enhance the degree of root growth and promote early effects. Sapling fertilization should be based on the principles of thin-fertilizers, and it is better not to overdo it in order to avoid excessive fertilizers and roots.

3, suitable topping. The pruning of the spring shoots of the young trees of the horse water orange should not be too heavy. In the summer, under the condition of providing fertilizer and water, the summer shoots can be picked up when they grow to 30 centimeters, and the number of branches can be accelerated. Summer cuts can be made on the main branch and extension branches to speed up branching and accelerate the formation of high-yield canopy.

4, young trees fertilize. In early February, under the dripping line outside the canopy, 10-15 cm shallow ditch is applied to stimulate budding fertilizer, and 0.1-0.2 kg of urea per plant is applied to the water. After the application, the soil is reconstituted; the wet soil can also be applied. Pruning of young trees: important removal of buds, small fruit.

5. Pest control. Young trees are important for the control of aphids, spider mites, and ulcers. Insecticidal insects can be used imidacloprid 1000-1500 times, or 20% in the sweep of 5000 times, etc.; red spider can be used 5% Nisolul 2000-3000 times, or 95% oil emulsion 100-150 times liquid; anti-ulcer The disease is sprayed with 0.5:1:100 Bordeaux mixture, or 20% copper rosinate emulsifiable concentrate 1000 times in 15-20 cm spring shoots.

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