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Detailed Explanation of Phosphorus Fertilizer Utilization Rate and Physiological Role
The utilization rate of phosphorus fertilizer is much lower than that of nitrogen fertilizer and potassium fertilizer. In China, the utilization rate of phosphorus fertilizer is generally in the range of 10%-25%. Among vegetable crops, legumes have a relatively higher utilization rate. There are two main reasons for the low utilization rate of phosphorus fertilizer: the first reason is the fixation of phosphorus fertilizer in the soil, whether water-soluble, citrate-soluble...
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Detailed Explanation of Key Technical Points for Rice-Fish Symbiosis Ecological Farming
Key Technical Points for Developing the Ecological Farming Practice of "Rice-Fish Symbiosis"
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A detailed explanation of harmless treatment methods for poultry and livestock to reduce ecological and environmental pollution
Harmless treatment methods for poultry and livestock to reduce ecological and environmental pollution
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How to raise weaned piglets? Master their physiological characteristics and key feeding management points
Physiological characteristics and key feeding management points of weaned piglets
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Introduction to Understory Chicken Farming: How to Establish a Good Ecological Cycle
Establishing a Good Ecological Cycle: A Brief Introduction to Understory Chicken Farming Techniques
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April Phenological Characteristics and Management Key Points of Chinese Bayberry
April Phenological Characteristics and Management Key Points of Chinese Bayberry
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How to scientifically design pig pens for ecological pig farming? Changing traditional thinking is key
Changing traditional thinking: how to design pig pens for scientific ecological pig farming
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What are the precautions for applying biological potassium fertilizer?
How should cotton be supplemented with potassium fertilizer? For supplementing cotton with potassium fertilizer, it is generally best to use coarse fertilizer as a base dressing. At present, returning straw to the field should be strongly advocated. According to surveys, returning about 800 kg per 667 sq m can not only return 4 kg of potassium oxide to the soil, but also convert slowly available potassium in the soil into available potassium. Potassium fertilizer...
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What are the precautions for using bacterial biological insecticides?
Bt is a bacterial biological insecticide commonly used in vegetable production today, and its effect on controlling Lepidoptera larvae is especially pronounced, but the following points should be noted when using it: 1. Check whether the quality of Bt passes muster; this can be tested by "smelling." Normal Bt products all contain a certain amount of bacteria; when the lid is opened...
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Recommended Biological Insecticides and Fungicides for Flowers
In flower production, using biological pesticides to control pests and diseases is both safe and environmentally friendly, and is very popular among flower growers in the market. Below are several commonly used insecticides and fungicides. For nicotine, the commonly used form is 10% nicotine emulsifiable concentrate, widely used to control pests such as scale insects, red spiders, aphids, and whiteflies on many flower and tree plants, with...
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