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Natural Fertilizer-Grass AshNatural fertilizer - grass ash

 Grass ash is a product of burning crop stalks, firewood, litter and so on. It contains a variety of nutrients required by crops, such as phosphorus, potassium, calcium, magnesium, sulfur and boron, manganese, zinc, molybdenum, copper and so on. Among them, the content of potassium and calcium is the most, so the plant ash is the most extensive potash resource in rural areas in China. In addition to being applied as potash fertilizer, the plant ash has the functions of preventing cold, sterilizing and disinfecting, inhibiting the occurrence of pests and diseases, promoting crop stalk robustness and enhancing crop resistance.

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First, the use of grass ash:

  More than 90% of the potassium salt contained in the plant ash is soluble in water and is a quick-acting potash. Therefore, the plant ash can be used as the base fertilizer, seed fertilizer and top dressing, and the aqueous solution can also be used for top dressing.

  It is advisable to use the plant ash for concentrated application, and it can be applied with both strips and acupoints. The depth is 8-10 cm, and the soil is covered after application. Mix 2-3 times of wet soil before application or spray it with a little water to prevent ash from flying.

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  The amount of grass ash is limited. It should first be applied to the potassium-deficient soil in order to give full play to the fertilizer effect of the ash. The sandy soil with coarse soil texture is mostly potassium-deficient soil, and the effect is very obvious after applying the ash. Secondly, it is preferentially applied to crops with potassium, such as potatoes, sweet potatoes, cotton and legumes. The annual acre is generally 30-50 kg.

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  Second, the role of grass ash:

  Control aphids. The grass ash is alkaline and has very fine particles. For example, it is in contact with the insects of the larvae, wheat mites, wheat spiders, and wheat bees. It can make the stomata obstruct and physiologically disorder, killing some pests and inhibiting the occurrence. Use 10 kg of grass ash and add 50 kg of water, soak for a day and night, and take the filtrate to spray, which can control the mites on crops such as fruit trees, vegetables and flowers. When the dew is not dry, chasing fresh grass and ash on vegetables and other crops can effectively control pests such as aphids and cabbage caterpillars.

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