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How to cultivate autumn garlic
To ensure the successful cultivation of autumn garlic, it is essential to select a suitable soil type. Sandy soil that is deep, fertile, loose, and well-drained is ideal for this crop. The tillage depth should be between 15 to 20 cm, and it's important to incorporate deep manure as a base fertilizer at a rate of 1000 to 1500 kg per acre. The planting beds should be approximately 2 meters wide, with furrows dug and drainage channels established. The surface should be kept flat to prevent waterlogging and ensure proper growth.
Timely sowing is crucial for optimal results. Autumn garlic can typically be planted in late September. However, if you're growing green garlic, it’s better to sow earlier. When planting, use a hole method, placing 2 to 3 cloves per hole, with a spacing of 17 to 20 cm between them. The planting depth should be around 3 to 4 cm, and after sowing, cover the seeds with a layer of ash or a thin layer of mud mortar to protect them and promote healthy germination.
Fertilization plays a key role in 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 1500 to 2000 kg of human manure per acre along with 5 kg of urea. In the waxing stage, apply 10 kg of ammonium bicarbonate and 1000 to 1200 kg of human and animal manure per acre. Alternatively, you can use 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% solution of potassium dihydrogen phosphate can be used during the rapid growth phase to enhance nutrient absorption and improve yield.
After transplanting seedlings, proper field management is essential. This includes setting up seedlings, fertilizing once they are established, and performing regular weeding to control weeds and maintain soil health. Consistent monitoring and timely intervention will help ensure a strong and healthy garlic crop throughout the growing season.