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What symptoms appear when bananas are deficient in nutrients?
What happens when bananas are deficient in nutrients? Please introduce. Banana nutrient deficiency can be identified by the following methods: (1) Nitrogen deficiency. When bananas are deficient in nitrogen, the leaves are pale green or yellow-green, small and thin, the leaf sheath, petiole and midrib are tinged with red, leaf emergence is slow, and the leaf spacing is short. (2) Potassium deficiency. When bananas are deficient in potassium, the leaves break easily and the fruit ripens early...
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Detailed Explanation of the Fertilizer Requirements of Chestnut Trees: What Nutrients Are Needed for Growth?
What are the fertilizer requirements of chestnut trees? Please explain. Chestnut, like other fruit trees, differs in its fertilizer needs in that, besides requiring sufficient amounts of the three major elements nitrogen, phosphorus and potassium, it is particularly sensitive to the secondary element magnesium and the trace elements manganese and boron. If these are lacking or insufficient, serious physiological disorders occur that affect growth and development. According to measurements, ...
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How to fertilize lychee? Master the nutrient requirements and fertilization techniques
(1) Nutrient requirements of lychee. According to measurements, in an orchard with a yield of 1000 kg per mu, every 1000 kg of mature fruit produced requires 9.8 kg of nitrogen, 1.1 kg of phosphorus, and 6.6 kg of potassium, with a nutrient ratio of 10:1:7. After fruit harvest and before ear emergence, generally two or three flushes of new shoots are produced before flower bud differentiation begins, and nitrogen demand is relatively high; from flower ear emergence to flower drop, the main processes are the growth and development of flower branches, flowers, and male and female flowers, and the proportion of phosphorus and potassium rises, but nitrogen still dominates; from pollination to fruit maturity, the main process is fruit growth and development, and the required ratio of nitrogen, phosphorus, and potassium is the same as in the previous stage.
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A Detailed Guide to the Nutrient Requirements and Scientific Fertilization Methods for Lychee
What are the nutrient requirements of lychee? How can it be fertilized well? For lychee fertilization, you can refer to the following methods: (1) Nutrient requirements of lychee. According to measurements, in an orchard with a yield of 1000 kg per mu, producing every 1000 kg of mature fruit requires 9.8 kg of nitrogen, 1.1 kg of phosphorus, and 6.6 kg of potassium, with a nutrient ratio of 10:1:7. After harvest...
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What causes nutrient deficiency disorders in greenhouse strawberries?
How should strawberries be managed in spring? Please guide on removing the mulch to harden the seedlings. 1. When the daily average temperature stabilizes at around 10°C, the winter cold protection coverings should begin to be removed. 2. Be careful when removing to prevent breaking the flower buds. If covered with agricultural film, it should first be removed during the day and covered at night, then gradually remove the film to avoid excessive temperature differences affecting the normal... of strawberries.
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The relationship between Dongkui bayberry and the nutrient element zinc
Although zinc is a trace element for plants, if Dongkui bayberry is deficient in zinc, it will affect its growth. This is because the zinc element has multiple effects on Dongkui bayberry, such as: 1. The role of zinc (1) Zinc is related to the synthesis of auxin in the tree body. That is to say, when the Dongkui bayberry tree body needs to synthesize auxin, it cannot lack zinc...
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A Detailed Guide to the Nutrient Requirements and Fertilization Methods of Sugarcane
1. Using Phosphate Fertilizer. Phosphate fertilizer must be fully pulverized and thoroughly mixed and composted with garbage fertilizer or farmyard manure before application. In recent years, many sugarcane farmers have spread phosphate fertilizer directly into the furrows. This approach results in a phosphate fertilizer utilization rate of less than 10%, with more than 90% being fixed by the soil into unavailable phosphorus and wasted. The author suggests: apply 30-... of phosphate fertilizer per mu.
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How to mix nutrient soil for melons? Sharing practical tips
Melon leaf blight, also known as brown spot disease, generally occurs during the peak fruiting stage. It is a fungal disease that can cause melon yields to plummet, with fewer and smaller melons and a greatly reduced sweetness. When external conditions are suitable, it can easily break out suddenly within a short period. The pathogen mainly damages leaves, and often also affects petioles, stems and vines, and fruits. Leaf blight first starts from the base...
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Technical points for supplementary application of micronutrient fertilizers after chestnut harvest
The main cause of low yields and high rates of empty burrs in chestnut orchards is the failure to apply or spray boron micronutrient fertilizer during management. When the soil available boron content is lower than 0.5 parts per million, it affects the normal fertilization process of chestnut, causing early embryo development to stall, thereby forming empty burrs. In production, one can seize the period after harvest...
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Citrus fruits are rich in more than 30 kinds of nutrients
More than 30 kinds of health-promoting substances for the human body contained in citrus fruits have been identified so far, among which the main ones are: flavonoids, monoterpenes, coumarins, carotenoids, norisoprenoids, acridones, glyceroglycolipids, and so on. Flavonoids: The flavonoids contained in citrus fruits fall into three types: type i is the general flavonoids represented by rutin...
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