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Purple sweet potato special compound fertilizer suitable for acid soil in the south

An acid soil, compound fertilizer technology, applied in the application, fertilization device, fertilizer mixture and other directions, can solve the problems of rare fertilizer, poor quality, low purple potato yield, etc., to reduce fertilizer cost, reduce pollution, improve soil The effect of acidity and alkalinity

Inactive Publication Date: 2014-02-26
界首市聚丰家庭农场
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The soil in the south is acidic, and the yield and quality of purple sweet potatoes are not high. Therefore, alkaline fertilizers need to be added to adjust the planting process. However, there are not many fertilizers specially used for the cultivation of purple sweet potatoes in the south.

Method used

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  • Purple sweet potato special compound fertilizer suitable for acid soil in the south
  • Purple sweet potato special compound fertilizer suitable for acid soil in the south
  • Purple sweet potato special compound fertilizer suitable for acid soil in the south

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0020] (1) Weighing by component: 400 kg of plant straw, 200 kg of urea, 150 kg of lime, 100 kg of potassium dihydrogen phosphate, 100 kg of chestnut shell, 70 kg of clay, and 30 kg of zinc sulfate;

[0021] (2) Crush plant straw and chestnut shells into powder, put them in a dryer with bean dregs, and dry them until the water content is within 15%, and then the dried mixture is ready for use;

[0022] (3) Mix the lime with potassium carbonate and ammonium bicarbonate evenly and mix them into the drying mixture to obtain the granulation mixture;

[0023] (4) Put the granulation mixture into the granulator for granulation, and screen out the granules with a particle size not larger than 1mm, then inspect, pack and store.

[0024] The invention is mainly used for planting purple sweet potatoes in acidic soil, and can be applied to the area south of the Huaihe River, and can be used as base fertilizer when applied.

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Abstract

The invention discloses a purple sweet potato special compound fertilizer suitable for acid soil in the south, and belongs to the technical field of fertilizer. The purple sweet potato special compound fertilizer comprises following ingredients, by mass, 30 to 50% of plant straw, 20 to 30% of urea, 10 to 20% of lime, 10 to 15% of potassium dihydrogen phosphate, 10 to 20% of chestnut shell, 10 to 15% of clay, and 3 to 5% of zinc sulfate. According to the purple sweet potato special compound fertilizer, on the base of a base fertilizer made from urea, potassium dihydrogen phosphate and zinc sulfate, plant straw is used for increasing soil organic matter content, and lime is added for improving soil alkalinity and acidity, so that the purple sweet potato special compound fertilizer contains a large amount of nutrients which are beneficial for growth of purple sweet potato, soil hardening is not caused, soil will become more suitable for the growth of purple sweet potato, fertilizer cost is reduced, and pollution caused by straw burning is reduced.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a special compound fertilizer for purple sweet potatoes suitable for southern acidic soil. Background technique [0002] Purple sweet potato is also called purple sweet potato. In the best food list, purple sweet potato is at the top of the best vegetable group. Purple sweet potato is rich in trace elements, such as iron, phosphorus, calcium, zinc, etc., especially the content of anthocyanins and selenium It is high, has unique health benefits, has a strong antioxidant effect, can remove active oxygen, has the effect of inhibiting carcinogens and reducing gene mutations, and has a good preventive effect on cardiovascular diseases such as hypertension. [0003] Purple sweet potato is more suitable for growing in alkaline soil, and it can grow larger and have better quality in alkaline soil. The soil in the south is acidic, and the yield and quality of purple sweet potatoes ar...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 刘大卫
Owner 界首市聚丰家庭农场
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