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6. The development and promotion of small ditch irrigation technology involves constructing ditches that are 30 to 40 centimeters wide and 20 to 30 centimeters deep, positioned 1 to 1.5 meters away from the tree trunk. Water seeps into the soil through the bottom and sides of the trenches, resulting in more uniform moisture distribution. This method significantly reduces water evaporation and loss, preserves soil structure, and supports root respiration and microbial activity. It also minimizes fertilizer runoff, enhancing nutrient efficiency. Compared to traditional flood irrigation, this technique can reduce water usage by over 65%. For instance, if an orchard requires three irrigation sessions per year at a cost of 0.4 yuan per ton of water, it can save more than 46.8 yuan per mu annually. 7. Promoting integrated agricultural, biological, and physical control technologies is essential for sustainable fruit production. By combining these methods, the use of chemical pesticides can be significantly reduced, and the number of applications can be minimized. This helps keep pest and disease levels below economic thresholds, ensuring high-quality, high-yield, and safe fruit production while lowering pest control costs. Agricultural practices include selecting resistant varieties, removing infected parts, pruning diseased branches, and clearing debris. Biological controls involve using natural predators, bacterial treatments, pheromone traps, and mating disruption techniques. Physical methods include using sweet and sour liquid traps, black light traps, manual removal, and yellow sticky boards. Implementing these integrated strategies can cut pesticide use by 2–3 times annually and reduce labor requirements by 2–3 workers, saving about 30 yuan per person per day, or 270 yuan per season. 8. The adoption of artificial mechanical + wall bee pollination technology has proven effective in increasing fruit set by over 20% and reducing the need for manual pollination. This method not only improves efficiency but also lowers labor costs. For example, it can reduce the number of laborers needed for manual pollination by 1–2 people per acre, saving 30 yuan per person per day. With this technology, orchards can save between 30 to 60 yuan per mu annually in labor costs. Additionally, the young bees used in the process can be collected and reused the following year, making the system both economical and environmentally friendly.
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