Peach tree soil fertilizer management

(I) Soil Management

1. Deep plowing: In Taoyuan, where the soil is heavy, deeper plowing is performed between the rows in order to improve the soil, and the depth is about 60cm. Organic fertilizer is applied in combination. Taoyuan, a gravel site, is also undergoing deep turning, sand and sand replacement, combined with organic fertilizers. Deep turnover has played a good role in the annual output.

2. Autumn ploughing: Apply organic fertilizer before and after deciduous, depth 20-30cm.

3. Intercropping: For inter-Taoyuan crops, beans, melons, strawberries, peanuts, etc. can be used. You can also use green manures such as hairpins and pods. No matter what kind of crops are planted, we must leave enough tree trays for timely fertilization, irrigation and weeding.

(B) fertilizer and water management

1. The requirements for the main nutrient elements of peach: The requirements for the three elements of peach tree are mainly nitrogen and potassium, and the requirement for phosphorus is less.

(1) Nitrogen: Peach shoots have large growth, large fruits, and are sensitive to nitrogen. As a result of excessive nitrogen in the early fruit trees of the sapling tree, they may cause new growth and delays, increase physiological fruit loss, and control nitrogen fertilizers appropriately. the amount. As the tree age increases and the yield increases, so does the amount of nitrogen needed. When nitrogen is insufficient, shoot growth is small, branches are thin and short, and flower bud differentiation is affected. At the same time, fruit is small, color is poor, quality is low, and the cold resistance of branches and buds is decreased.

(2) Phosphorus: The demand for phosphorus is less than that of nitrogen and potassium. The main role is to make pollination and fertilization good, increase the fruit's candy content and promote flower bud formation. Phosphorus deficiency when the fruit dark, soft fleshy, taste sour, sometimes fruit spots or cracked skin.

(3) Potassium: Peach needs more potassium, when the potassium is abundant, the fruit is large and the sugar content is high. When the potassium is lacking, the fruit is small, deformed, premature, and the leaf roll becomes grayish green.

2. Fertilizer amount: The appropriate amount of fertilizer and the proportion of nitrogen, phosphorus and potassium in peach trees should be comprehensively analyzed and decided according to factors such as variety, age, vigor, yield, soil fertility, fertilizer properties, and climatic conditions. Generally, for every 100 pounds of fruit produced, 50 to 100 kg of base fertilizer, 0.4 kg of pure nitrogen, 0.3 kg of phosphorus, and 0.5 kg of potassium must be applied.

3. Fertilization period and method

(1) Base fertilizer: peach is good for autumn. Before and after falling leaves in combination with autumn turning. The fertilization method should be applied in a radial groove or a ditch, with a depth of about 40cm.

(2) Dressing: General Taoyuan top dressing 2-3 times a year, mainly available nitrogen fertilizer, with phosphorus, potash fertilizer. The number of top dressings in high-yield gardens is as many as five times. Top dressing methods include ditch, ring ditch and hole application.

1 Fertilizer before budding: Spring soil was applied 1-2 weeks before germination. Promote the growth of roots and shoots, ensure good flowering and fertilization, and increase the fruit-setting rate, mainly based on available nitrogen fertilizers.

2 Dressing after flowering: Apply 1-2 weeks after flowering can promote shoot growth and fruit growth and reduce fruit drop. With mainly available nitrogen fertilizer.

3 Hard phase fertilizer: Generally applied in mid-June. This dressing can promote embryo and nuclear development, germination and differentiation, fruit enlargement, and lay the foundation for the results. It should be applied in combination with nitrogen, phosphorus and potassium.

4 Fruit enlargement and top dressing: For middle and late-maturing varieties, nitrogen fertilizer is mainly used in combination with potash fertilizer to promote fruit enlargement and improve quality.

5Following fertilizer after harvesting: Applying supplementary fertilizer after harvesting can supplement tree consumption, strengthen nutrition accumulation in autumn, and increase wintering ability. Phosphorus and potassium are mainly combined with nitrogen fertilizers.

At the same time, it is necessary to ensure that budding water, frozen water, and water in combination with top dressing are used throughout the year, and watering is performed at any time according to the needs of the fruit trees in the hot season. At the same time, pay attention to drainage during the rainy season.

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