Reasonable Fertilization Suggestions for Grapefruit and Tea Tree

Mango tree fertilization should be based on the principle of rational adjustment of the contradiction between vegetative growth and reproductive growth. It is necessary to promote the flowering results of the year and control the growth of the summer shooters, but also to promote the autumn shoots and robust growth, and continue for the second year. Harvest has laid a good foundation. Fertilizers are still dominated by nitrogen, phosphorus, and potassium fertilizers. In particular, the amount of potassium and calcium must be increased, and small amounts of trace elements such as manganese, boron, zinc, copper, and iron must be supplemented.
1. Fertilizer before and after fruit picking: Mangoes have many fruit hangs, high yields, and the nutrient level of the tree after fruiting is at the lowest level of the year. If fertilizer is not applied in time, the tree vigor will be weak and it will be difficult to restore growth, affecting the cultivation of the mother tree and the following year. The results and output. Before and after harvesting fruit, the fertilizer is the focus of fertilization. The amount of fertilizer used accounts for 60% to 80% of the whole year.
Before the mango harvest, fertilization is usually based on extra-root fertilizer, and it can be combined with spraying to cure the disease 30 to 45 days before harvesting. Mixing and spraying some foliar fertilizers containing high phosphorus and potassium. In addition, the harvest of fruit trees before the harvest 60 days, can inhibit the photorespiration of plants, increase the accumulation of photosynthetic products, improve quality and yield.
Fertilizer can be divided into two parts after mango harvesting: The first fertilization is usually completed in mid-to late August. The main purpose is quick-release fertilizer. The purpose is to make the tree recover as soon as possible, so as to sprout the autumn shoot as soon as possible. Each tree was applied 0.5 to 1.0 kg of compound fertilizer and 0.3 to 0.5 kg of urea. In the canopy drip line inside the shallow digging shallow groove, in case of dry weather, fertilization after fertilization. The second fertilization combined with deep-turning soil improvement is generally carried out from mid-November to December, mainly using farmyard fertilizers. Each plant produces 20 to 30 kg of fermented farmyard fertilizer, 1 kg of lime, 0.5 to 1 kg of compound fertilizer, and 0.3% of potash fertilizer. ~ 0.5 kg, each additional 10 ~ 15 kg of fire mud, can promote tree heading and flowering.
Second, flower fertilizer: Early spring flower buds before a large number of germination or a large number of germination, should be given a certain amount of fast-acting fertilizer, promote the development of flower spikes and floret, improve flower quality, increase the proportion of bisexual flowers, enhance the resistance of plants against low temperature and rain, etc. The ability of the weather to increase the rate of fruit set. Each plant can be applied 0.2 to 0.3 kg of compound fertilizer, or 0.2 kg of peanut bran, 0.2 kg of potassium chloride or potassium sulfate and 0.1 to 0.15 kg of urea. In the pre-flowering period and full flowering period, spraying 500 times boric acid 1 times, can be combined with pest control in the spraying of pesticides within the foliage.
Third, the strong fruit fertilizer: Mango fruit set after the 4 to 6 months in the middle and early period, is the rapid growth of young fruit, but also the summer tip hair extraction period. This period of fertilization has the effect of directly supplying nitrogen and potassium, and it also has the effect of coordinating the contradiction between the shoot tip and nutrient distribution of the fruit. Only through fertilization to meet the nutritional requirements of fruit development, but also depends on tree vigor, fruiting and leaf color may be. Strong tree vigor and less fruiting plants can be applied less or less, otherwise it will promote summer shoots and aggravate fruit drop. Weak tree vigor, more fruits to be covered by quick-applied fertilizer, 0.2-0.3 kg of compound fertilizer per plant, 0.15-0.2 kg of potassium fertilizer, and spraying of foliar fertilizer 2 or 3 times, generally adopting the green leaf fertilizer series Or 0.2% potassium dihydrogen phosphate can be sprayed in combination with pest control.

Nuts can generally be divided into two types: one is seeds, such as sunflower seeds, pumpkin seeds, peanuts, etc.; the other is tree nuts, such as pistachios, hazelnuts, cashews, walnuts, pine nuts, walnuts, chestnuts, almonds. And the macadamia and pecans that have been very hot in the past two years. These nut foods contain more protein, calcium and a variety of vitamins, which can provide the body with a variety of nutrients needed by the brain and body.

In general, a nut is a closed fruit classification of a nutrient-covered woody or leathery hard shell. The skin is hard and contains one or more seeds. It includes two types of tree nuts and fruit seeds, walnuts, chestnuts, pistachios, almonds, etc., which belong to the fruit seed class.

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