High-yield Cultivation Techniques of Non-pollution Leeks

First, base selection

Choose a place that is 40 meters away from the highway, no pollution, flat terrain, fertile soil, loose soil, good drainage and irrigation conditions. Before the selection of melons, leafy vegetables, beans and other plants, bogey use onions, garlic, leeks and other crops. The leek production base must effectively prevent environmental pollution and prevent the harm of acid rain. Through the environmental protection department to detect air pollution, air pollutants, urban garbage, agricultural sludge pollutants, irrigation water quality meets the "Agricultural Environmental Standards Practical Handbook" requirements.

Second, species selection

Selection of storage-resistant, high breweries, anti-epidemic disease, gray mold varieties, such as 791 snow ridge, ping er 2nd, Ping er 4th.

Third, nursery

1. Prepare before broadcast

Seedlings choose sandy loam soil, dry plots, deep tillage before sowing, and use solar energy to sterilize or cryogenically kill pests and eggs. To make flat and smooth, 1.5 meters and 8 meters of flat rice, 5 to 7 kg of rotten chicken or pig manure per square meter, 8 kg of humic acid eco-fertilizer and 0.1 kg of urea. The ground wire 0.05 kg net, 50% carbendazim WP 0.02 kg, soil and fertilizer mix, leveling.

2. Seed processing

The use of new seeds, such as low temperatures in early spring, can be used to dry seed sowing, seedlings can be soaked seed germination. Seed drying before seed treatment 1 to 2 days. 1 to 2 days before sowing, the selected seeds were placed in warm water at 40°C, stirred vigorously, washed and rinsed, soaked in warm water at 30°C for 8 to 10 hours, and germinated at 18 to 20°C for daily use. Washed with water 2 times. 60% of the radicles are sown immediately when they are extended.

3. sowing

Spring sowing leeks from early April to mid-April, the ground temperature is stable above 12 °C, the average daily temperature of 15 ~ 18 °C can be sown. Using drilling, seedlings per acre with 6 to 8 kg of dried seeds, can plant 6,000 square meters of vegetable fields, immediately after the film is covered with plastic film, insulation temperature. 70% of the seedlings were uncovered in the top soil.

4. Seed management

(1) Water and fertilize. Qi Miao until the seedling height of 16 cm, according to the flood season 7 to 10 days watering time, combined with watering, per acre red rot of human fecal urine or humic acid 50 kg.

(2) Weeding. Before sowing, use 33% of Shi Tianbu 250 times liquid sprayed on the surface after emergence, artificially weeding 2 or 3 times.

(3) pest control. The main control of earthworms. After emergence, if the earthworms are found, they can use 50% of 750-800 ml of water per acre to spray 200 kg of water along the ridge.

Fourth, colonization

1. Timely colonization

The general strain is as high as 18 to 20 centimeters in diameter, and is planted after the summer solstice.

2. Deep fertilization

After the smashing and plucking, 20 cm deep plowing, 6,000 kg per mu into the quality and good quality circulatory fertilizer, 30 kg of diammonium phosphate, into the soil layer, leveling squat.

3. Lifting

Seedlings were watered on the day before planting, and the soil was shaken after seedling lifting. The size of the seedlings was graded, and the roots of the fibrous roots were cut off, leaving 3 to 5 cm. The leaf ends were cut off and the leaves were 8 to 10 cm long.

4. Planting seedlings

In the sacral line spacing 18 to 20 cm, dashing ditch, hole 8 to 10 cm, 8 to 10 per hole. The cultivation depth is based on the junction of the leaf blade sheath and the leaf sheath. It is planted, planted and planted.

V. Management after planting

1. Watering and fertilizing

Water the seedlings twice before and after easing the seedlings, then cultivating seedlings. Pay attention to drainage in the summer. After the beginning of autumn, it should be watered 7 to 10 days after the drought. A total of 3 waters are poured. Combined with watering, top dressing 3 times, the first two times per mu use human excrement 200 kg plus urea 10 kg, the last time with decomposed dry fine chicken manure 200 kg per mu, "winter" and then pouring frozen water.

2. Weeding and weeding

Before and after the seedlings were cultivated and weeded more than 4 times, 6.9% Weibang concentrated emulsion 600 times liquid was sprayed on the ground to weed.

3. Harvesting

Usually harvested once every 28 to 30 days, cut 1 cm away from the ground, cut neatly consistent. Avoid slashing for less than 28 days to prevent premature aging.

Sixth, post-harvest management

After each harvest, cultivating loose soil, 2 to 3 days after the application of water fertilization, per acre each time to practice 400 kg of ring fertilizer or humic acid 50 kg of ecological fertilizer. Do not apply fertilizer immediately after cutting to prevent injury.

VII. Pest Control

1. Agricultural control

After each harvest, please remove the diseased leaf debris and concentrate deeply to destroy the bacteria and eggs.

2. Physical control

Insect pests were killed with sweet and sour wine, according to sugar, vinegar, wine, water and 90% trichlorfon crystals ratio of 3:3:1:10:0.6 solution, in May to June 2 acres per acre, 10 Days for 1 time, seduce onion fly, adult worms.

3. Chemical control

(1) Prevention and control. In the first half of April, 50% of 750-800 ml of water per acre will be used to irrigate the roots of 200 kg of water and watered every other day.

(2) leek disease. At the beginning of the disease, use 50% of the epidemic or 50% of the epidemic to get 800 times spray, 5 to 7 days, even spray 2 to 3 times, 7 days before harvest to stop medication.

(3) In the early stage of onset of grey mold of amaranth, use 40% of anemone or 40% of Wanweiwei 800 times spray, 5 to 7 days, spray 2 to 3 times, and stop using drugs 7 days before harvest.

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3. Bushen fine
To alleviate the lack of kidney essence caused by frequent urination, deafness, semen and other fine semen.
4. Enhance digestion
Antioxidant and some detoxification. In improving heart and brain function, promote children's intellectual development, it is even better.

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