The effect of increasing the yield of garlic covered by plastic film is very obvious. Compared with open field cultivation, the roots, stems, and leaves of garlic covered with mulching film were significantly better than those of open field garlic. The yield of garlic bolt was 35% higher than that of open field cultivation, and the yield of dried garlic bulb was 30% higher than that of open field cultivation. Its main cultivation techniques are as follows.
After soil fertilization, the absorption ability of garlic roots increased, plants grew vigorously, and the demand for fertilizers increased. However, it is not easy to apply fertilizer again after coating. Therefore, the basic fertilizer must be applied first, 5,000 kg of high quality organic fertilizer per 667 square meters, 30 kg of potassium fertilizer, 50 kg of phosphate fertilizer, and 1 to 2 kg of iron, zinc and other micronutrients, and then deep-turned about 30 centimeters. To grow 1.5 meters wide and 25 centimeters wide.
2 Select good varieties of Shandong White Garlic or Cangshan Garlic, and select large-size garlic cloves without injury, disease-free and insect-free.
3 The appropriate sowing time for proper sowing and proper planting of covered garlic is October 5 to October 10. At this time, the sowing can meet the temperature requirement of garlic sprouting to ensure that the seedlings are strong. The planting density is about 350,000 plants per 667 square meters, planting by ditching, the rows and rows are generally 18 cm x 10 cm, the ditch depth is about 10 cm, the planting depth is 6-7 cm, and the planting garlic is about 3 cm high. After sowing, the flat surface is covered with a thickness of 3 to 4 centimeters and the water is poured over the head in time. After 3 to 4 days of watering, 0.2 kg of 40% Maratho EC or 200 g acetochlor is sprayed on the ground every 667 m 2 , and the cover film is then used to compact the soil on both sides.
4 timely release of seedlings Once the garlic has budding arch membrane phenomenon, it should focus on time to put the seedlings. Qi seedlings then pour water once. At the beginning of December, frozen water was poured according to weather conditions.
5 Strengthen management of plastic film covered garlic can safely winter, and the temperature will soon enter the green period after rising. In general, it will be poured back to Qingshui at the end of February and early March in the coming year, and 25 kg of urea will be applied per 667 square meters of water. If garlic sprouts are found, 50% phoxim 1 kg can be applied per 667 square meters. The control effect is very good. In early April, garlic enters the flower bud differentiation stage. To promote its growth, it must be topdressed and watered. Every 667 square meters with the water application of 20 kg of ammonium bicarbonate or 25 kg of urea. After the garlic sprouts are harvested in early May, the garlic will enter the expansion stage and should be filled with garlic bulk water in time, which can be used to flush human excrement or fertilizer. If there is a premature decay of garlic, foliar fertilization can be performed and spraying with potassium dihydrogen phosphate 500-700 times or 2% urea. From late May to early June, harvest, air dry, and store in time.
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