1. Choose the best variety. It is essential to select heat-resistant, disease-resistant, high-quality, and high-yield varieties suitable for oil production, such as sesame oil wheat. These varieties ensure better performance under various climatic conditions and higher productivity.
2. Proper sowing time. For summer sowing, it's ideal to plant between late June and early July. Use 50 grams of seeds per acre, with seedlings aged between 25 to 30 days. Plant them in late July to early August. For autumn sowing, the best time is from late July to early August, using 40-50 grams of seeds per acre.
3. Seed treatment. Due to the hot weather, drought, and rainy season during the seedling stage, it's recommended to soak and germinate the seeds before planting. Soak the seeds in cold water for about an hour, then place them in a cloth bag and keep them at 15°C to 20°C for 2 to 3 days. Once they start to sprout, they are ready for sowing.
4. Cultivation and management. Select fields that are elevated, have fertile soil, good drainage, and are not previously used for Compositae crops. Apply a base fertilizer of 5,000 kg of well-decomposed manure per acre, along with 40 kg of diammonium phosphate, 20 kg of urea, and 20 kg of potassium sulfate, or 200-300 kg of plant ash. After sowing, install small arch sheds made of bamboo (2 or 4 meters long) over the seedbeds, and cover them with shade nets or old plastic sheets to protect from rain and reduce temperature. Keep the field moist and the soil loose throughout the growth period. During this time, apply foliar fertilizer 2 to 3 times, using solutions like 0.2% potassium dihydrogen phosphate or 0.2% to 0.5% urea solution.
5. Timely harvesting. Harvest when the oil wheat has 30 to 34 leaves and reaches a height of 45 to 48 cm. Cut the plants 2 to 3 cm above the ground for optimal quality and yield.
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