High concentration compound fertilizer for drip irrigation

A compound fertilizer and high-concentration technology, applied in the field of compound fertilizer, can solve problems such as soil damage and land compaction, achieve high concentration, and ensure safe and normal work

Inactive Publication Date: 2010-12-15
陈兆喜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if acidic water is used for irrigation for a long time, it will cause damage to the soil and form land compaction.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] When preparing compound fertilizers with the traditional 15-15-15 formula, reduce the amount of diammonium phosphate used in the raw material formula to 10% of the total input raw materials, and then add a corresponding amount of ammonium tripolyphosphate, put the raw materials Put it into a reaction kettle, and prepare a compound fertilizer for high-concentration drip irrigation through granulation.

Embodiment 2

[0023] When preparing compound fertilizers with the traditional 15-15-15 formula, reduce the amount of diammonium phosphate used in the raw material formula by 20% of the total input raw materials, and then add the corresponding amount of ammonium hexametaphosphate and tripolyphosphoric acid Potassium compound, the raw material is put into the reaction kettle, and the compound fertilizer for drip irrigation with high concentration is prepared through granulation.

Embodiment 3

[0025] When preparing the compound fertilizer of the traditional 15-15-15 formula, reduce the amount of monoammonium phosphate used in the raw material formula to 15% of the total input raw material, then add a corresponding amount of potassium hexametaphosphate, put the raw material Put it into a reaction kettle, and prepare a compound fertilizer for high-concentration drip irrigation through granulation.

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PUM

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Abstract

The invention discloses a high-concentration drip irrigation compound fertilizer, which is characterized in that based on the preparation of the traditional 15-15-15 formula compound fertilizer, the dosages of diammonium phosphate or monoammonium phosphate in the material formula are reduced, while a corresponding amount of polyphosphate compounds is added; the raw materials are put into a reactor to prepare the high-concentration drip irrigation compound fertilizer through granulation. The invention provides rich nitrogen, phosphorus and potassium elements needed by the crops and can effectively make use of the calcium ions and the magnesium ions in the polyphosphate and water for chelation and complexing, so as to prevent the calcium ions and the magnesium ions combining with carbonate radicals, sulfate radicals and silicic acid radicals and prevent the formation of fouling in the water so as to ensure that the drip irrigation equipment is free from fouling and can work safely and normally.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a compound fertilizer for high-concentration drip irrigation. Background technique [0002] Drip irrigation technology originated from Israel, and its efficient water-saving and fertilizer-saving capabilities are well known to the world. Drip irrigation technology is mainly used in arid and water-deficient areas. The main drip irrigation water in these areas is well water in mechanical wells, and most of the calcium in groundwater The content of ions and magnesium ions is generally high, that is, the water quality of the groundwater is relatively hard. If it is used for a long time, the pipes and drip outlets in the drip irrigation facilities will evaporate naturally due to sunlight and the water in the pipes without interruption, and the calcium ions and magnesium ions in the water will The ions are gradually concentrated and enriched to form scale deposits, which block the drip pipe and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00
Inventor 陈兆喜
Owner 陈兆喜
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