The cabbage is of the cruciferous family, leaf mustard, is a Yunnan local variety, and has two kinds of green and powdered stems. It is selected from many places in Yunnan Province, green rods and powdered vegetables, and has been refined and rejuvenated after years of purification. Due to the large length of the petiole, the rate of dish-forming vegetables is high, and the quality is good. Therefore, it is mainly cultivated in autumn and winter, and it can also be sown for small-agricultural cultivation and fresh consumption. It can also be planted with semi-annual vegetables for flooding. The raw material of the dish. Medium-maturing species, strong winter, weak childbirth. The leaves are long oval and light green. Petiole is long and thick, green rod is dark green, powder pole is grayish green, and wax powder is more. Plants are 70 cm high and develop 50 cm. The plant weight is about 2.5 kg and the per mu yield is about 7000-9000 kg.
First, the land selection: cultivation of green pole vegetables should choose the soil deep, loose, fertile sandy loam or clay loam, drainage and irrigation convenience, the implementation of the rotation of the plot.
Second, sowing time: appropriate sowing is a key measure to prevent disease and high yield. For cultivation of small vegetables, annual planting and annual harvest. For cultivation of Chinese cabbage, it is planted on August and October and harvested on November and February.
Third, sowing methods: vegetables can be live or nursery transplanting. For cultivation of small green vegetables, the live broadcast was conducted. Wide-row high-row ridge broadcasting was used for cultivation. The lotus root was 1.5 to 2 meters wide. For cultivation of large vegetables, live and seedlings can be transplanted. Live stream to take a wide range of high-altitude multi-line sowing, sowing about 10 per hole, after sowing with fine soil coverage, about 200 grams per acre species. Seedling transplanting, mastering seedling age 25-30 days, when there are 4 to 5 leaves when planting.
Fourth, field management:
1. Thinning and Transplanting: The seedlings should be transplanted regardless of the live seeding or transplanting. In the seedlings 1? 2 leaves when the first time the seedlings, in addition to weak seedlings and too dense seedlings, retain large seedlings, strong seedlings, timely detection of lack of replanting live. When 3-4 leaves were planted for the second time, 5 leaves, live seedlings were planted, seedlings were planted for transplanting, plant spacing, plant spacing 1.1-1.2 ft, row spacing 1.2-1.3 ft, planting 4,000 planted acres Right and left, planting should be carried out after 4:00 pm and pouring enough water.
2, watering: seedling time after each seedling pouring small water, conventional look at the degree of wetness and dryness, sunny days, once every 3-4 days water once, see the principle of dry and wet. Transplanting seedlings of Daejeon greens, pouring enough water to set the roots when planting, and then see the degree of dryness and wetness of the plots and the plots of water.
3, fertilization: cultivation of small vegetables, seedling Mushi human excrement 2000 ~ 2500 kilograms, calcium and potassium sulfate 5-10 kilograms each, to water pouring. For vegetable cultivation in Daejeon, nitrogen fertilizer is the main fertilizer, and appropriate phosphorus and potassium fertilizers are added. After planting and survival, fertilizer can usually be top dressing 2-3 times. The frequency and concentration of fertilization will be determined according to the conditions of the seedlings. After the first application of fertilizer in the returning green period, 40 kg of urea will be used to pour water and water may be used to remove water. After the appropriate application of phosphorus and potash fertilizers, it may be adopted. The top dressing is pond dressing, but it can also be used for spraying. Early autumn sowing, the early high temperature, fast growth, timely dressing, so that early into the rosette period, in order to facilitate the growth of edible parts; late autumn sowing, in the colder regions, before the spring should not be more fertilization material, or winter easier After being affected by freezing, it should be watered and fertilized promptly after spring, so that the nutrient grows vigorously and the yield and quality are improved. When pickling vegetables are used, watering topdressing is stopped about the first half month of harvesting to avoid excessive moisture content, increase fiber content of vegetables, and improve processing quality.
4, cultivator soil: cultivator throughout the growth period 1? 2 times. The second time after the seedlings were broadcast, the seedlings were shallow, and after the seedlings were planted, the depth was 5-6 cm. Transplanting Daejeon greens for transplanting seedlings, transplanting survived for the first time after returning to the green stage, and deep cultivating 5-6 cm before entering the rosette stage.
5, pest control:
(1) Grass damage: Using free time, weeds are removed manually and promptly.
(2) Diseases: 1 damping-off disease: it is the main disease during seedling stage, pay attention to drainage, appropriate dilute sowing, and time seedlings, Dingmiao, at the beginning of the disease, spray with 3%?f metalaxyl 800 times spray, even spray 2-3 Times. 2 White spot disease: The main damage to the leaves, the beginning of the disease with 50% thiophanate-methyl 500-600 times solution or 50% carbendazim 500 times spray. 3 soft rot, at the beginning of the disease, spray with 72% of the farmer's sidemycin 1500 times, or spray with 5% of kasugamycin 800, and the affected area must be sprayed thoroughly. 4 Viral disease: At the beginning of the disease, 7.5% of plant diseases, 50 ml of water and 50 kg of water can be used, and 20% of virus A can be used to spray 50-60 g of water. It is also possible to use 15% of the fungus 胴 25 ml watered 50 kg spray. 5 swollen disease: 70% chloronitrobenzene WP 2000-3000g per acre with fine soil 50? Mixing into a medicinal soil, planting before ditching or applying acupuncture points; also available 75% chloronitro benzoic acid WP 800 times Liquid, or 50% thiophanate-methyl WP 500 times, or 75% chlorothalonil wettable powder 500 times Irrigation root, 0.3-0.5 per fluid.
(3) Insect pests: 1 Spodoptera exigua, Plutella xylostella, and Brassica juncea: In the endangered period, the Bacillus thuringiensis WP 50-60 g is evenly sprayed with 50 kg of water. Can also be used 2.5% fish oyster sauce 50 ml watered 50 kg evenly sprayed or with 0.3% azadirachtin cream 50 ml watered 50 kg spray. 2 dishes wolfberry: Mu with 10% omnidone wettable powder 20-30 grams water 50 kg uniform spray. Can also be 2% matrine water agent 20-25 g water evenly spray.
6. Harvesting: When pickles are used, they must be fully matured, their outer leaves should turn yellow, and some can even be picked up for picking. At this time, pickles that are harvested and processed are well colored, have high cellulose content, and are resistant to storage. The specific harvesting period should be combined with the longevity of the vegetables and the acquisition time of the acquisition company.
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