The spring ploughing has to start again. It has been raining in various parts of the country recently. It is very busy to see the field, but I believe that as the weather turns fine, farmers will carry out farming activities. When farming, many people should have seen farmers planting lime in the farmland. So what is the role of quicklime on farmland? Let's take a look at it.
There are many kinds of quicklime, but if you see the peasants in the field, there are two kinds of effects: they are:
1, disinfection
After the quicklime absorbs water, a chemical reaction occurs, releasing a large amount of hot gas. Therefore, after the lime is applied to the farmland, after deep burying into the soil, it will absorb water and mature, release heat, and rapidly increase the soil temperature, which can play the role of disinfection and sterilization, and reduce the occurrence of diseases in the soil. And high temperatures can kill pests in the soil and achieve pest control.
2. Improve the nature of the soil
The quicklime absorbs water to form calcium hydroxide, which is an alkaline substance that neutralizes the acidity of the soil, and the application of quicklime can increase the calcium content in the soil. Calcium ions are good cement binders for soil aggregates. Forming loose soil and reducing soil compaction. Therefore, the application of lime can improve the physical and chemical properties of the soil, thereby achieving the effect of improving the yield and quality of the crop.
3. Increase microbial activity in the soil
Sprinkling lime on the farmland can effectively improve the soil environment, increase the beneficial microbial activity of the soil, enhance the decomposition and digestion of beneficial microorganisms, thereby improving the nutrient content of the soil, improving the properties of the soil, and increasing crop yield.
Quicklime use
However, although the benefits of quicklime are numerous, there are certain restrictions on the use of quicklime. It must be used according to the situation of the land. If it is used rashly, it will not only achieve the desired effect, but will make the soil environment worse.
1. The amount of quicklime should be adjusted according to the pH value of the soil. If too little is used, the acidity of the soil cannot be improved. If too much is applied, the soil will be alkaline.
2, try not to use poor quality quicklime (such as impurities, or has been agglomerated), when applying lime, it should be used now, do not store for a long time.
The above is the introduction of the use of quicklime. For the farming operation, proper use of quicklime has many benefits for soil and crops. When spring plowing, you can use the raw lime reasonably, which can effectively ensure the growth of crops and avoid pests and diseases!
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