What soil is suitable for leeks to grow in? How should alkaline soil be treated?
Leek not only has very good edible value, but also has high medicinal value. Many traditional medicine have shown that leek can nourish the liver and spleen and stomach, and has a certain effect on reducing blood lipid and blood pressure, so what soil is suitable for growing leek?
Leek has strong adaptability to soil and can be cultivated in clay, loam or sandy loam. However, because the root system is small and the absorption capacity is weak, it is best to choose the fertile loam with deep soil layer, rich organic matter and strong water and fertilizer conservation capacity. Leek has a certain ability to adapt to saline-alkali soil. According to the experiment, leek can grow normally on the soil with 0.2% salt content, but it can only adapt to 0.15% salt content at the seedling stage, and the adult plant can grow normally on the soil containing 0.25% salt. In order to cultivate leek in saline-alkali soil, we first choose the plot with low salt content to raise seedlings, and then move to Honda after the plant grows up.
Therefore, organic fertilizer should be applied to grow leek. On the one hand, it can supplement nitrogen, phosphorus, potassium and trace elements, on the other hand, it can improve soil and promote root growth.
In daily life, most of the soil is alkaline, so effective methods can be used to change the alkaline soil to grow leek.
The method of solving the problem of growing leek in alkaline soil
Try not to use alkaline fertilizers and use more organic and acidic fertilizers. Gypsum can also be used to improve the soil. Agricultural gypsum is both a fertilizer and a good soil improver.
The main component of gypsum is calcium sulfate, which contains a lot of calcium and sulfur, which is a good fertilizer and plays a good role in improving alkaline soil.
Why can gypsum improve alkaline soil?
Sodium carbonate in soil can interact with calcium sulfate, the main component of gypsum, to form sodium sulfate which is soluble in water. Sodium sulfate can be washed away with water through irrigation, so as to eliminate the alkalinity in the soil layer and achieve the purpose of alkaline soil improvement.
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