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What is the correct method for applying potassium fertilizer to vegetables?
How do you apply potassium fertilizer when growing vegetables? What should you pay attention to? Potassium is one of the three essential fertilizer elements. Many vegetables need more potassium than nitrogen or phosphorus. Well-grown vegetables contain potassium at 2.5%-7% of their dry matter, higher than their nitrogen and phosphorus content. Most vegetables absorb more potassium than nitrogen. For example, cucumber absorbs nitrogen...
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Applying undecomposed organic fertilizer to fruit trees does much harm, and it cannot be ignored
Organic fertilizer is also called farmyard manure. In fruit tree production, the commonly used types include compost, pen manure, stable manure, green manure, cake fertilizer, river mud, poultry manure, human feces and urine, and miscellaneous soil manure. Most organic fertilizers need to be decomposed by microorganisms before they can be absorbed by the plant's root system, so they are also called "slow-release fertilizers" and can be applied as base fertilizer...
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Five precautions for applying trace element fertilizers
The production of green food also imposes various restrictions on the fertilizers used. So what fertilizers are allowed? 1. Farmyard manure. Refers to fertilizers containing large amounts of biological matter, animal and plant residues, excreta, biological waste, and other substances. 1. Compost. Made from various types of straw, fallen leaves, human and livestock manure...
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Applying potassium fertilizer to grapes makes the fruit sweeter and larger
During the grape growing season, potassium fertilizer is mainly applied as a foliar spray, because it has many advantages such as rapid absorption, good fertilizer efficiency, and timely supply. Foliar potassium spraying can be carried out together with pest and disease control, which saves labor. Grapes are a potassium-loving fruit tree; under potassium-deficient conditions, applying potassium gives higher yield and higher sugar content than not applying it...
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Why is the seedling stage the key period for applying phosphate fertilizer to rapeseed?
Rapeseed is a crop with a relatively high boron requirement. When boron is deficient at the seedling stage, the root system stops growing, there are no root hairs or no lateral roots, and the growing point turns from brown to scorched and dies; applying rapeseed boron fertilizer in a timely manner plays an important role in achieving high yield and good quality in rapeseed. The specific method is: boron fertilizer applied as a base fertilizer is applied directly into the soil, and can be applied to rapeseed...
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Methods and Techniques for Scientifically Applying Phosphate Fertilizer to Wheat
Wheat is a crop with a relatively high phosphorus requirement, and scientifically applying phosphate fertilizer is one of the key measures to improve phosphate fertilizer efficiency, reduce fertilization costs, and promote high-quality and high-yield wheat. 1. Apply after mixing and composting with organic fertilizer. Organic fertilizer is rich in organic matter, phosphoric acid, and various organic weak acids, which can turn insoluble phosphorus into soluble phosphorus...
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What are the precautions for applying diammonium phosphate?
Phosphorus promotes soybean root growth and is beneficial for the formation of root nodules. When the supply of phosphorus in the soil is insufficient, although soybean rhizobia can invade the roots, they do not form nodules. Molybdenum fertilizer is an essential trace element for nitrogen fixation in root nodules, and when the soil is deficient in phosphorus, applying molybdenum fertilizer alone actually reduces the number of root nodules. Phosphorus's effect on the amino... in root nodules
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Methods and Key Technical Points for Applying Phosphate Fertilizer in Orchards
In spring and summer, the periods before and after flowering of fruit trees are stages prone to various diseases (physiological diseases and pathogen toxin diseases). At this stage, in addition to necessary chemical prevention, timely application of phosphorus and potassium fertilizers is also a good choice. However, many fruit growers tend to apply only nitrogen fertilizers (such as urea, high-nitrogen...
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What effect does applying organic fertilizer to corn have on its growth
Manure, green manure, and decomposed straw can all be called organic fertilizer. Organic fertilizer is rich in organic matter and various nutrients, and is the most complete natural compound fertilizer in terms of nutrients. It can not only directly provide nutrients to crops, but can also activate potential nutrients in the soil and increase the content of available nutrients in the soil. Organic fertilizer...
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Applying organic fertilizer to vegetables has its rules; more is not always better
Traditional agriculture holds that vegetable fields should be given large amounts of organic fertilizer, and some even believe that the more organic fertilizer, the better. But according to the results of many trials in various places in recent years, appropriately increasing the application of organic fertilizer can effectively control excessive nitrate in vegetables, while blindly increasing organic fertilizer will cause excessive nitrate in vegetables. The nitrate contained in vegetables...
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