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How to scientifically apply topdressing to onions? Key points on timing and methods of fertilization
How to scientifically apply topdressing to onions? Please provide guidance. After onions are planted, the root system grows first, then growth shifts to the aboveground part, and only after the aboveground part has grown fully do they enter the bulb swelling growth stage. According to the growth and development characteristics of onions, doing a good job of topdressing in stages is one of the keys to a high onion yield. Fertilizer for seedling recovery...
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How to fertilize soybeans? A detailed explanation of scientific fertilization methods
How should soybeans be fertilized? What are the fertilizer requirements of soybeans? The nutrient uptake pattern of soybeans. The growth and development of soybeans is divided into the seedling stage, branching stage, flowering stage, pod-setting stage, seed-filling stage and maturity stage. The whole growth period is 90 to 130 days, and its nutrient uptake pattern is as follows: nitrogen uptake rate. The emergence and branching stages account for 15% of the total nitrogen uptake during the whole growth period...
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Key Technical Points for Spring Pest Control and Fertilization of Mulberry Trees
First, pest control must be strengthened. The pests harming mulberry trees in spring are the "mulberry looper" and the "mulberry tussock moth," which mainly feed on mulberry buds and tender leaves. For control, during the mulberry bud stage, a 1000-fold dilution of "dichlorvos" solution can be sprayed; once the mulberry leaves have grown larger, manual catching is the main method. Second, fertilize at the right time. Applying spring fertilizer promptly can promote...
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How to fertilize lychee and longan? Key points of scientific fertilization techniques
How should lychee and longan be fertilized? Please give guidance. The fertilization methods for lychee and longan can refer to the following: I. Growth and nutritional characteristics. Lychee and longan both belong to the Sapindaceae family and are subtropical evergreen fruit trees. Their biological characteristics and nutritional characteristics have many similarities. The root system has no natural dormant period throughout the year, and the roots have a very strong absorption capacity.
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How to Apply Base Fertilizer for High-Yield Ginger? Detailed Fertilization Methods
How to apply base fertilizer for high-yield ginger? Please give guidance. Ginger is a pungent seasoning vegetable with high yield, high fertilizer demand and high economic benefit. In Shandong, it is sown from early April to early May. Meeting ginger's demand for soil nutrients is the foundation for achieving high yield. Now that the ginger planting season has arrived, ginger growers are once again faced with the question of choosing base fertilizer...
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How to fertilize ginger well? A detailed explanation of scientific fertilization methods
How to fertilize ginger well? A detailed introduction: the rhizome of ginger absorbs relatively little nitrogen, phosphorus and potassium during the seedling stage; during the vigorous growth period, phosphorus uptake increases slowly, while demand for nitrogen and potassium rises sharply. In particular, during the early part of the vigorous growth period, potassium requirement is highest, followed by nitrogen fertilizer; during the middle and late parts of the vigorous growth period, nitrogen uptake exceeds...
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Detailed Explanation of Fertilization Methods and Techniques During the Sweet Potato Growing Period
How should sweet potatoes be fertilized during the growing period? Please advise. In the late growth stage of sweet potatoes, rational fertilization can prevent premature aging of the plants, maintain the assimilation capacity of the leaves, promote the transport of nutrients to the storage roots, and thereby increase yield. Foliar spraying: after sweet potatoes enter the late growth stage, the absorption capacity of the root system weakens, and foliar spraying can be carried out according to category...
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How to fertilize wampee scientifically? Key points of planting and fertilization techniques
How to fertilize wampee scientifically when planting? Please introduce in detail. Wampee fertilization can refer to the following methods: 1. Around Great Cold, apply about 12 kg of fully decomposed chicken manure with a moisture content of 10~20%. The fertilization method is to dig a ring-shaped trench about 20 cm inside and outside the drip line of the canopy, reaching a depth of 30~40 cm, and place one layer of fertilizer and one layer of turf...
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How to fertilize peanuts well? Master the scientific fertilization method
How should peanuts be fertilized? Please advise. Peanuts have a relatively strong tolerance to poor soil, and a small amount of fertilizer can produce a considerable yield. But to rapidly increase peanut yield per unit area, scientific fertilization is one of the basic measures. Peanut fertilization should be based mainly on organic fertilizers, with chemical fertilizers as a supplement; base fertilizer as the main application, with topdressing as a supplement; topdressing should focus on seedling fertilizer...
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What are the pollution-free fertilization methods for cilantro?
How do you fertilize cilantro in a pollution-free way? Please explain the methods. In autumn-winter or winter-spring, grow it using greenhouse edges, gaps, before and after main vegetables, intercropping, and relay cropping. When sowing, follow market demand and greenhouse growing conditions; it is best to sow at any time during the cool season. Cilantro grows...
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