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Detailed Explanation of Key Points of High-Yield Fertilization Technology for Cotton
Fertilization is the most important and active link in cotton production. In order to obtain high cotton yields, scientific fertilization must be achieved. In villages such as Diandong and Sunwan in Tongshan County, Jiangsu Province, the lint cotton yield per unit area has stably exceeded 1500 kg/ha for more than ten consecutive years. According to surveys, the author summarizes their main experience in fertilization into 3 words, namely "sufficient, early, complete." 1 "Sufficient" Sufficient fertilizer is the foundation of high yield. That is, determine the target yield according to production conditions and management level, and determine sufficient fertilization amount according to the target yield. According to the experience of the above-mentioned high-yield units, to obtain a lint cotton index of
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Detailed Explanation of Key Points for Reasonable Fertilization Techniques for Cotton
Vigorously promoting scientific fertilization techniques for cotton is an important measure to increase the yield per unit area and product quality of cotton fields. The demand of cotton for the three major elements of nitrogen, phosphorus, and potassium and fertilizer application techniques. Field fertilizer efficiency test results prove that for every 100 kg of seed cotton produced, 5.0 kg of pure nitrogen, 1.8 kg of phosphorus pentoxide, and 4.0 kg of potassium oxide are required, with the ratio of nitrogen : phosphorus pentoxide : potassium oxide being 1 : 0.36 : 0.8. Reasonable application of base fertilizer. Base fertilizer should be mainly organic fertilizer, combined with a certain proportion of chemical fertilizer. Generally, per mu, use pig and cattle manure
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Detailed Explanation of the Key Points of Formula Fertilization Technology for Cotton
Currently, it is the critical period for cotton land preparation and fertilization, in order to do a good job in cotton formula fertilization and lay the foundation for high quality and high yield. The cotton fertilization technology is now provided to the majority of cotton farmers for reference: 1. Pay attention to the application of farmyard manure: farmyard manure can improve the soil, enrich soil fertility, and contains various nutrient elements needed by crops, providing what crops need for growth. It has complete nutrition and is rich in organic matter, and has a significant effect on improving the soil and increasing the utilization rate of chemical fertilizers. 2. Increase the application of phosphate fertilizer: phosphorus has low mobility in the soil and dissolves and releases slowly,
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Detailed Explanation of Key Technical Points for Formula Fertilization of Cotton
Cotton has an indeterminate growth habit, strong regeneration capacity, highly controllable plant architecture, and a high fertilizer demand. Generally speaking, adequate fertilizer is the foundation for high yield and quality in cotton. Sufficient phosphate fertilizer can promote vigorous growth of cotton plants, increase boll weight, and advance maturity. Potassium fertilizer is a catalyst for various enzymes in plants, and can promote photosynthesis and cellulose synthesis. The fertilization technique for cotton is the eight-character formula fertilization method of "adjust nitrogen, increase potassium, supplement phosphorus, spray boron." Specifically, the following 5 technical measures should be well implemented. 1. Attach importance to the application of farmyard manure
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Detailed Explanation of Key Points for Balanced Fertilization Technology in Cotton
I. Principles of Cotton Fertilization 1. Combined Application of Organic and Inorganic Fertilizers Cotton production should be sustainable. Organic fertilizers have the characteristics of complete nutrients and stable, long-lasting fertilizer efficiency, and cannot be replaced by inorganic fertilizers. Even under conditions where the supply of inorganic fertilizers is relatively sufficient, the role of organic fertilizers should not be neglected. Only through the combined application of both can high and stable yields be achieved. Especially under the current situation of high chemical fertilizer prices, more attention should be paid to increasing the application of organic fertilizers. 2. Balanced Application of Major Elements and Trace Elements Major elements refer to
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Do different cotton varieties require different fertilization methods, and what are the similarities and differences?
Recently, when the author visited cotton-producing areas in counties and cities such as Tianmen, Hanchuan, Jingshan, and Jianli, as well as Huarong, Anxiang, and Nanxian in Hunan Province, many farmers asked about cotton fertilization techniques. They often regard fertilization as one of the important means of increasing yield, so they show great concern about fertilization techniques. Years of experience and lessons in cotton fertilization tell us that the common experience for increasing cotton yield through fertilization is: apply sufficient basal fertilizer, apply seedling fertilizer quickly, apply bud fertilizer steadily, apply flower and boll fertilizer heavily, and apply boll fertilizer universally. However, when it comes to different cotton varieties, there are differences in fertilizer application.
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Key Techniques for Foliar Fertilization of Cotton at Different Growth Stages
1. Fertilization at the seedling stage: Foliar fertilization at the seedling stage can promote early development of cotton seedlings, help weak seedlings become strong ones, control plant height and prevent excessive vegetative growth. Generally, a mixture of 1% urea and 1%-2% superphosphate soaking filtrate is sprayed at 50-75 kg. 2. Fertilization at the bud stage: For cotton fields with normal growth, 300-500 times diluted potassium dihydrogen phosphate plus an appropriate amount of zinc fertilizer can be sprayed; the growth peak of cotton plants appears before flowering, and excessively rapid vegetative growth will cause early row closure and increase the shedding of buds and bolls in the middle and lower parts. Such cotton fields need
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Detailed Explanation of Fertilization and Watering Methods and Technical Points for Schisandra chinensis
(1) Watering and Fertilization. Schisandra chinensis (five-flavor berry) prefers fertilizer and needs sufficient water and nutrients during the growing season. After planting and establishment, water frequently to keep the soil moist. Irrigate once before the ground freezes to aid overwintering. During the bud differentiation, flowering and fruiting stages, in addition to sufficient water, large amounts of nutrients are also needed. Apply chemical fertilizer twice a year: the first application during the leaf expansion stage, with quick-acting nitrogen and potassium fertilizer. The second application after the plants flower (mid-growth period, early July), with quick-acting phosphorus and potassium fertilizer. As the plant grows larger, the fertilizer amount increases year by year: ammonium nitrate 25-100 g/plant, superphosphate
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How to fertilize Schisandra chinensis? A detailed explanation of practical fertilization techniques
Building a successful Schisandra chinensis orchard makes scientific fertilization the key. Schisandra chinensis is a perennial plant, and after planting it must grow continuously for more than 10 years within a limited nutrient range. As the cultivation years increase, the nutrients in the soil gradually decrease, the underground creeping stems are widely distributed, the growth is vigorous, and nutrient consumption is high. Therefore, rational fertilization is very important for the growth of Schisandra chinensis. The fertilization method and amount should pay attention to the following aspects. In the year Schisandra chinensis is transplanted, the root system is not well developed and the branches are thin and weak. In order to promote the seedlings and strive to bear fruit in the second year, urea can be applied in late May
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What are the field cultivation and fertilization measures for Schisandra chinensis?
Schisandra chinensis is a medicinal plant with relatively high economic value. Currently, the Schisandra chinensis sold on the market is mainly wild, with very little cultivated artificially. At the same time, the market demand for Schisandra chinensis is very large, and the price is relatively stable. Collecting wild Schisandra chinensis alone is far from enough to meet market demand, so artificial cultivation of Schisandra chinensis is being developed in many regions. Cultivating Schisandra chinensis is different from ordinary field crops, and there are relatively strict requirements for fertilizer use. After transplanting and survival, the soil for Schisandra chinensis should be kept moist, and timely irrigation should be carried out during drought. Every year
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