Peach's fertilization formula varies according to species, age, vigour, yield, and Taoyuan soil conditions. Fertilizer requirements are also different.
Peach's fertilization is divided into two types, base fertilizer and top dressing.
1. Basal fertilizer: It is applied after the fruit is harvested in autumn. The dosage is 2 to 3 times of the yield. The organic fertilizer is mainly used, and inorganic fertilizer is applied. Chuan Shi applied to bloom earlier than the spring, the fruit setting rate is high, which helps to reduce the physical drop in June. In addition to organic fertilization, autumn fertilizing should also be combined with the application of quick-acting fertilizers, especially phosphorus and potash fertilizers, which should account for 1/3 to 2/3 of the annual fertilizing amount. Autumn basal fertilization can be combined with autumn ploughing before and after defoliation. It is better to use radiation or annular furrow fertilization. The depth of fertilization is 30-45 cm to achieve a dense root system. Generally Mushi farmyard fertilizer 3000 ~ 3500 kg or commodity organic fertilizer 400 ~ 450 kg, 13 ~ 17 kg of diammonium phosphate, 6 kg of urea, potassium sulfate 5 kg. There are three kinds of application methods: one is the application of a circular furrow outside the crown (suitable for juvenile trees); the other is the application of a radiation furrow outside the crown (suitable for fruit trees); the third is the whole garden application (appropriate for dense planting) Age Taoyuan). As early as the spring base fertilizer should be as early as possible. When the soil temperature is stable at 4～5°C, the roots of the peach tree begin to move; the soil temperature rises and the root activity accelerates. If the roots are not taken care of when digging the fertilization ditch, a large number of roots will affect the absorption of the root system.
2. Top dressing: Top dressing plays an important role in peach growth and results. Fertilizers were applied in 3 separate batches, and the top dressings accounted for 30%-60%, 20%-50% and 20% of the total respectively. Dressing usually takes 2 or 3 times a year. The first germination period usually starts about 2 weeks before germination. In order to supplement the lack of nutrient in the previous year's tree body, flowering was neat, the fruit setting rate was improved, and there was also the effect of expanding the leaf area and promoting the growth of new shoots. Fertilizers are mainly available nitrogen fertilizers, with about 0.5 kilograms of urea applied per plant. In the second hard fruit period, the top dressing promotes embryonic and nuclear development, germination and differentiation, fruit enlargement, and lays the foundation for the results. The compound fertilizer is generally used as the main compound fertilizer; after the third fruit is harvested, the supplement fertilizer can supplement the consumption of the tree body, strengthen the nutrition accumulation in autumn, and increase the overwintering ability.
Inflating and laying the foundation for the results. The compound fertilizer is generally used as the main compound fertilizer; after the third fruit is harvested, the supplement fertilizer can supplement the consumption of the tree body, strengthen the nutrition accumulation in autumn, and increase the overwintering ability.
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