Vegetable dwarf cultivation

Selection of seedlings and edible citrons should be selected from the "red oil pods," "red buds green wolfberry" and "Hongxiang 1" and other varieties. These varieties germinate early, are resistant to low temperatures, have brown and red stems and leaves, and are crisp, juicy, sweet, and aromatic. For soil preparation in March, the lotus root is 1.5 meters wide. Seeds are soaked in warm water of 30-35 DEG C for one day and night, placed at a temperature of about 25 DEG C., germinated, sowed, sowed, and the amount of mu is about 1.5 kg. After sowing, cover the soil, pour enough water, and cover the film or straw, moisturize and keep warm. Remove the cover after emergence. From March to March, the seedlings were 2-3 leaf-time seedlings with a spacing of 15 cm or so. From June to June, loose soil, fertilization, and weeding were applied. Nitrogen fertilizers were mainly used from July to August. Phosphorus and potassium fertilizers were used in combination with loose soil and weed control. Timely planting of T. sinensis should choose a plot with loose soil, deep soil, sandy soil, and convenient drainage and irrigation. After deep-spotting the land preparation, 5-7 tons of mature organic fertilizer in Mushi was used as base fertilizer. The planting period of citron was deciduous to budding, and autumn planting and spring planting were acceptable. General hole planting, planting density 40 cm 50 cm, acres planted about 3,000. When planting, plant deeply, roots stretch, fill soil compaction, and pour enough water 1-2 times. If the dwarf plastically planted seedlings have not been dwarfed and plasticized, they should be flattened, that is, they should be cut off at the tips of the seedlings at 15-20 cm, and the lower 2-3 lateral branches should be promoted to serve as primary lateral branches. When the first lateral branch grows to more than 30 centimeters, the tip is cut off, leaving 5-10 centimeters of branches and triggering secondary lateral branches. Dwarf treatment includes toppings, short cuts, and peacetime methods. In June-July, the annual branches will be topping or short-cut, leaving 15-25 cm to dry, 2-5 lateral branches will be drawn in 20 days, and 10-15 cm in autumn, and the short shoots will be harvested in the following year. . For overgrown plants or shoots, topping again. After topping and short cutting, the amount of shoots can be increased and the yield can be increased by 1.5-2 times. The field management will be poured once after the planting, and then water will be poured every two months to keep the soil dry and wet. After watering or raining, we should cultivate weeds in time to prevent accumulation of water. During April-May and July, each fertilizer was chased once, and each application of urea was 10-15 kg. After August, nitrogen fertilizer was applied again and watering was controlled. In September, once-superphosphate was applied, applying 50-60 kg per mu. To promote plant lignification and increase cold resistance. In late February of each year, it is necessary to cover the roots of adult trees to promote early budding. Before the first harvest, 3-5 days, 20-25 kg of urea should be applied per mu, and when the shoot length reaches 30 cm, apply 0.2-0.3% urea or potassium dihydrogen phosphate solution 2-3 times. Use alternately. From June to July, after a large number of pickings, fertilizers should be topped 2-3 times, applying 20-25 kg of compound fertilizer per acre. After falling leaves combined with deep turning, apply decomposed organic fertilizer as base fertilizer. Toona sinensis has strong resistance to disease and less pests and diseases, mainly including leaf rust, root rot, and spot-coat wax moth, etc. It should be mainly controlled by agriculture, supplemented by targeted chemical control.

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