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How to apply formula fertilization to hybrid watermelons
Hybrid watermelons require high water and high fertilizer. According to calculations, producing 1000 kg of watermelons requires 5 kg of N, 2 kg of P2O5, and 5 kg of K2O. If hybrid watermelons are planted on medium-fertility soil with a yield of 3000 kg per mu, then 15 kg of N, 6 kg of P2O5, and 15 kg of K2O are required. When fertilizing, achieve
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How to manage fertilization well when planting Red Globe grapes?
Red Globe grapes are resistant to storage and transport, high-yielding, with firm and crisp flesh, sweet without being sour, and are deeply loved by consumers in large and medium-sized cities. However, most Red Globe grape growers manage Red Globe grapes according to conventional grape fertilization and management methods, resulting in a large quality gap between domestic Red Globe and imported Red Globe
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Techniques for High-Yield and High-Quality Cultivation of Chinese Chives with Plastic Mulch
Chinese chives are one of the vegetables most favored by urban residents in Northwest China throughout the year. In recent years, due to inadequate management measures by some farmers, the quality of fresh Chinese chives and chive flower stalks has declined year by year. Some farmers have applied excessive amounts and misused chemical pesticides, causing pesticide residues in Chinese chive products to exceed the standard, posing a serious threat to the health of consumers. Over the past 3 years, in order to effectively implement pollution-free production and achieve high yield, high quality and high efficiency, through in-depth comprehensive production demonstrations, a pollution-free high-quality Chinese chive cultivation production base has been comprehensively established within the demonstration area, and the following key cultivation technical measures have been adopted:
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Detailed Explanation of Pollution-Free Fertilization Technical Specifications for Yam Cultivation
① Propagation technology: Yam propagation is divided into two types: sexual propagation and asexual propagation. Sexual propagation is mainly used for crossbreeding to obtain new high-yield, high-quality variety types; because it requires a long time, it is generally not suitable for use in production. Asexual propagation includes tuber cutting propagation methods, top
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How to Fertilize Strawberries: A Detailed Guide to Fertilization Techniques for Growing Strawberries
1. Fertilizer Requirements Strawberry roots are relatively shallow, have a strong ability to absorb nutrients, and have a high nutrient demand. They are very sensitive to nutrients, and both excessive and insufficient fertilization can have adverse effects on growth and development, yield, and quality. Nitrogen fertilizer can promote the formation of a large number of leaves and runners, strengthen vegetative growth, increase fruit size, and raise yield; nitrogen deficiency causes leaves to turn yellow, with localized scorching, and they become slightly smaller than normal leaves. Phosphorus fertilizer can promote flower bud differentiation and increase the fruit-setting rate; phosphorus deficiency causes purplish-red spots to appear on the appearance of the upper leaves, and flowers and fruits tend to be smaller. Potassium fertilizer mainly promotes fruit ripening, increases the sugar content of the fruit, and improves fruit quality; potassium deficiency often causes black, brown, and withered areas at leaf margins, and in severe cases they become scorched, with older leaves suffering more seriously, while the fruit is pale in color and poor in taste. In addition, strawberries are very sensitive to chlorine, so the use of chlorine-containing fertilizers should be controlled.
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Rice "Three Controls" Fertilization: Frequently Asked Questions
The rice "Three Controls" fertilization technology targets prominent problems in current rice production such as excessive application of chemical fertilizers and pesticides, low and unstable yields, low fertilizer use efficiency, and serious environmental pollution. It is a high-efficiency, safe fertilization and supporting
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How is soil testing and formulated fertilization carried out for rice cultivation?
I. Technology Introduction Based on the fertilizer requirement characteristics of major crops and formulated fertilization technology, soil testing and formulated fertilization mainly follows three principles: first, combining organic fertilizer with inorganic fertilizer; second, combining macro, secondary and trace elements; third, combining land use with land maintenance, with input and output in balance.
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What are the key points of fertilization techniques for sweet potato cultivation?
Fertilization for sweet potato should adopt appropriate fertilization methods according to climate, soil characteristics and the growth conditions of the plant at each growth and development stage. The key points are as follows: Base fertilizer is the main measure in sweet potato fertilization. Base fertilizer should be mainly high-quality organic fertilizer. Sandy soil, with good permeability,
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Key Technical Points for Soil Testing and Formulated Fertilization in Sweet Potato Cultivation
1. Fertilizer requirements: Of the three major elements nitrogen, phosphorus and potassium, sweet potato has the greatest demand for potassium, followed by nitrogen, then phosphorus. Sweet potato likes potassium, and increasing potassium fertilizer has a clear effect on both yield and quality. Sweet potato absorbs few nutrients at the seedling stage; from the branching and tuber-setting stage to the vigorous stem and leaf growth
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Detailed Explanation of Foliar Fertilization Methods for Sweet Potato Cultivation
During its growth, the sweet potato can be divided into three types: weak seedlings, strong seedlings, and vigorous seedlings. Foliar fertilization must be carried out in a targeted manner according to the different growth appearances, in order to promote robust vines and high tuber yields. For weak seedlings in such fields, 0.5-1 kg of urea, 1-1.
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