Taro planting technology

In the early stages of citrus cultivation, it's essential to quickly complete the dormancy period. By late October, once the citron trees have shed their leaves, seedlings should be carefully transplanted. When raising the seedlings, attention must be given to developing lateral roots. The main root should be at least 40 centimeters long, while the lateral roots should measure no less than 30 centimeters. Seedlings are typically placed in shaded areas for acclimation, using a mix of cultivated soil, regular watering, and covering with grass or mulch. Grass scorpions should be sprinkled regularly to prevent the seedlings from drying out, ensuring the root system remains covered and protected. After this adjustment period, the citrons usually complete their dormancy within approximately 20 days. Next, it's time to prepare the shed and the soil. In late October, the greenhouse is set up, and high-quality manure or chicken dung (around 15,000 kg) is mixed with 50 kg of compound fertilizer and 10 kg of urea. The soil is then tilled to a depth of 30–40 cm, ensuring even mixing. After leveling the ground, raised beds are created, measuring 1.2–1.5 meters in width, oriented north-south, with a bed height of 15–20 cm and a width of 30 cm. For planting, the dormant seedlings are moved into the greenhouse in mid-November. They are planted from north to south according to their height, with the root depth about 5–10 cm above the stem base. Planting density is around 100 plants per square meter. After planting, immediate watering is necessary. If any seedlings show signs of root damage or lodging, the soil should be re-packed and the plants straightened. A spray of gibberellin can then be applied to encourage early sprouting. During the growing season, maintaining proper temperature and humidity inside the greenhouse is crucial for high yields. Daytime temperatures should be kept around 25°C, while nighttime temperatures should not drop below 15°C. Once the greenhouse is closed, light intensity should be controlled to avoid overexposure. At noon, shade curtains should be lowered and lifted again when the light weakens. On sunny days, cooling measures may be needed. During winter, it's important to remove the coverings promptly and ensure good insulation. If nighttime temperatures fall too low, warming methods such as placing hot water bottles every 15–20 meters can help increase both temperature and humidity. Throughout the growing period, maintaining high humidity is essential—dry conditions should be avoided. With proper care, the citron sprouts within about two weeks and can grow to 20–30 cm in a month. Harvesting typically occurs in mid-December. After the first harvest, efficient irrigation and nitrogen fertilizer (about 10 kg per mu) should be applied. A second crop can be harvested more than a month later, around mid-to-late January, just before the Spring Festival. This allows for two harvests during the growth period, accounting for roughly two-thirds of the total yield, which significantly boosts profitability.

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