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Principles and methods of the medicated immersion method for preventing eel diseases
Also called the immersion method, it involves concentrating the rice field eels in a smaller body of water or container, preparing a relatively high-concentration medication, and forcing the eels to be exposed to the medication for a short period of time to achieve the purpose of killing pathogens. For example, when stocking, use salt to immerse the eel fry, etc. Its characteristics are: first, it is mostly used to kill pathogens on the body surface or gills; second, it is mostly used for disinfecting fry and seedlings or tools at the time of stocking; third, it requires that the concentration of the medication be precise during operation, and that the operation time be short, the speed fast, and the movements gentle.
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The principles of kitchen waste composting and how to make a compost bin, eco-friendly and practical
Nowadays, we all want a good ecological environment, and many people are making compost, which is both eco-friendly and practically useful. So how do you make compost? Do you know? Let's take a look together. For composting to succeed, you must provide the right amount of water, air,
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What are the general principles for choosing food?
So-called seasonal produce refers to ingredients that are best suited for planting and ripening in the current season. Ingredients that follow natural patterns are not only fresh, good in taste and high in nutritional value, but also have a strong ability to resist seasonal pests. Therefore, without heavy fertilizing and spraying
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How to Choose a Half-Feed Combine Harvester? Principles, Advantages, and Key Points for Use and Maintenance Explained
Half-feed combine harvesters have a high threshing rate, cause little breakage, and keep the straw intact, making them suitable for rice harvesting. This article introduces their working principles, the differences from full-feed models, and key points for purchase, trial harvesting, and daily maintenance, helping growers choose and use their harvesters well.
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How to grow French marigold? Master these care principles
Care principles for French marigold: (1) Light regulation. French marigold is a sun-loving plant; both growth and flowering require ample sunlight, and sufficient light also helps prevent the plant from becoming leggy. In hot seasons, avoid direct sunlight, and provide shade and cooling around midday. (2) Temperature control. After potting, the temperature can be lowered to 18°C
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Kiwifruit Winter Pruning Principles and Rational Thinning Techniques
Rational Thinning: Kiwifruit Winter Pruning Principles and Techniques
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Fertilizing bonsai has its own rules: keep the eight no-fertilizing principles firmly in mind
People who love flowers, trees and bonsai are people of refined taste! 1. Do not fertilize newly planted specimens: newly planted specimens have many wounds, and if they are stimulated by the outside world, they cannot heal and root rot will result. 2. Do not fertilize during the flowering period: fertilizing during the flowering period will cause...
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How to prevent and control flower pests and diseases? Master the principles and requirements of prevention and control
In the previous two articles, we talked about the harm pests cause to flowers and the morphological characteristics of pests. Quite a few flower lovers left comments saying they wanted to know how to prevent and control pests and diseases on flowers and how to grow flowers well.
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Understand the principles of succulent root germination to grow succulents well
If you want to know about succulent root germination, you must read the following. 1. Air humidity When the air humidity reaches 99% saturated air humidity, succulents can germinate roots without soil or other media. Succulents in greenhouses are very easy to propagate successfully...
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Master 4 care principles for jasmine and its leaves will stay emerald green all year while flowers fill the pot
Jasmine is a flowering plant with pure white blooms and emerald green leaves. Gardeners who grow flowers all love it very much, and many have tried to care for it, but jasmine is quite difficult to grow, and a little carelessness will cause its leaves to turn yellow and its flowers to drop...
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