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How to cultivate autumn garlic
To ensure successful autumn garlic cultivation, it is essential to choose a suitable soil type. Sandy soil that is deep, fertile, loose, and well-drained is ideal for growing garlic. The tillage depth should be between 15 to 20 cm, and it's recommended to incorporate deep manure as a base fertilizer at a rate of 1,000 to 1,500 kg per acre. The planting beds should be approximately 2 meters wide, with furrows dug and drainage channels created. After preparing the beds, the surface should be leveled to prevent waterlogging.
Timely sowing is crucial for optimal growth. Autumn garlic can typically be planted in late September. However, if the goal is to produce green garlic, sowing should be done earlier. For regular garlic planting, the timing can be slightly later. When planting, use a hole method, placing 2 to 3 cloves per hole, with a spacing of 17 to 20 cm between each. The planting depth should be around 3 to 4 cm, and after sowing, cover the cloves with a layer of ash or muddy mortar to protect them and promote healthy growth.
Fertilization management plays a key role in the success of garlic cultivation. Before planting, apply a base fertilizer consisting of ammonium bicarbonate (20 to 25 kg per acre), superphosphate (8 to 10 kg per acre), and potassium chloride (4 to 5 kg per acre). During the early growth stage, when the plant has three leaves, apply 1,500 to 2,000 kg of human manure per acre along with 5 kg of urea. At the wax stage, apply 10 kg of ammonium bicarbonate per acre, 1,000 to 1,200 kg of human and animal excrement, or alternatively, 50 kg of rapeseed cake, 18 kg of urea, and 5 kg of potassium chloride per acre. During the bulb formation period, apply 15 kg of urea per mu. Additionally, foliar sprays of a 0.2% to 0.3% potassium dihydrogen phosphate solution can be used during the rapid expansion phase to enhance yield and quality.
After transplanting seedlings, proper field management is necessary. Ensure that the seedlings are properly set and provide timely fertilization and weeding. Regular monitoring and maintenance will help maintain healthy growth and improve the overall yield of the garlic crop. With careful attention to these practices, farmers can achieve a bountiful harvest of high-quality autumn garlic.