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Quick-acting iron fertilizer for amending low-yielding cold-macerated rice soil and preparation method therefor

A paddy soil and iron fertilizer technology, applied in the application, nitrogen fertilizer, magnesium fertilizer and other directions, can solve problems such as affecting plant root respiration, poisoning, etc., and achieve the effect of promoting decomposition and transformation ability, promoting the formation, reducing and preventing diseases and insect pests

Inactive Publication Date: 2016-12-07
SUZHOU JINRUN BIOLOGICAL ENVIRONMENTAL PROTECTIONTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In short, the excessive accumulation of these reducing substances in the soil affects the respiration of plant roots and has a toxic effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This example provides a quick-acting iron fertilizer for improving low-yield cold-soaked paddy soil. The raw materials for preparing the iron fertilizer include 100L wood vinegar, 5kg iron powder, 240g trace elements, 10kg urea and 100g nitrification inhibitor. The trace elements here are prepared from magnesia, zinc sulfate, borax, manganese sulfate, and ammonium molybdate according to the mass ratio of 60:50:5:14:1; Nitrification inhibitor with a diameter of ≤60 mesh.

Embodiment 2

[0025] This example provides a quick-acting iron fertilizer for improving low-yield cold-soaked paddy soil. The raw materials for the preparation of the iron fertilizer include 100L wood vinegar, 1kg iron powder, 150g trace elements, 3.6kg urea and 50g nitrification inhibitor. The trace elements here are prepared from magnesia, zinc sulfate, borax, manganese sulfate, and ammonium molybdate according to the mass ratio of 30:50:5:14:1; Nitrification inhibitor with a diameter of ≤60 mesh.

Embodiment 3

[0027] This example provides the preparation method of quick-acting iron fertilizer in embodiment 1 and 2, and concrete steps are as follows:

[0028] 1) Pass the iron powder through a 100-mesh sieve, then wash to remove impurities such as dust and sawdust, and dry and store;

[0029] 2) Pour the iron powder in step 1) into the wood vinegar, stir and mix, then add trace elements, urea and nitrification inhibitor, stir and mix well, because a lot of gas will be generated during the preparation process, therefore, It needs to be soaked in the open state for more than 3 months before being sealed and packaged.

[0030] When packing, shake it evenly and wait until the gas is completely discharged before packing it for later use. Because there is iron powder precipitated at the bottom, shake it well before applying it.

[0031] The principle of the quick-acting iron fertilizer of the present invention is that Fe 3+ Ionic degradation of S in precipitated soil 2- With other reduci...

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Abstract

The invention relates to a quick-acting iron fertilizer for amending low-yielding cold-macerated rice soil and a preparation method therefor. The iron fertilizer is prepared from the following ingredients (raw materials) in parts by dry-basis weight: 1-5 parts of iron powder, 80-90 parts of liquid wood vinegar, 0.01-0.1 part of nitrification inhibitor, 1-10 parts of urea and 0-5 parts of micro-elements. According to the iron fertilizer, Fe<3+> ions can be used for degrading S<2-> and other reducing substances in the soil, greatly activating elemental iron and inhibiting ferrous concentration, the activity of urease is regulated and controlled, ammonia ions are stabilized, the utilization ratio of nitrogen is increased, and the proportioning ratio of the micro-elements in the soil is kept relatively stable; meanwhile, the iron fertilizer disclosed by the invention can be used for eliminating toxicity of H2S and controlling ferrous toxic hazards, the utilization ratio of fertilizer nutrients is remarkably increased, the soil is amended, the yield and quality of crops are improved, and the iron fertilizer is effective in long term in case of application once; and the preparation method is simple and facilitates extensive use.

Description

technical field [0001] The invention relates to iron fertilizer, in particular to a quick-acting iron fertilizer for improving low-yield cold-soaked paddy soil and a preparation method thereof. Background technique [0002] Cold soaking field refers to paddy soil farmland under the joint action of natural or human factors, the groundwater level is too high, the soil formation layer has been impregnated with groundwater for a long time, resulting in cold soaking damage to the soil, strong reduction effect, physical and chemical properties and crop root system. The diseased farmland with deteriorating growth environment is called waterlogged low-yield field or secondary gleization by the agricultural department. The cold-soaked field is a strong reducing soil formed by long-term immersion. The cold-soaked field can be divided into primary type and secondary type according to its cause. There are two types of cold soaking fields. The original type of cold-soaked field is mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/08C05G3/80C05G3/90
CPCC05C3/00C05G3/80C05G3/90C05D9/00C05D9/02C05F11/00C05C9/00C05D5/00Y02P60/21
Inventor 梁雷梁晨
Owner SUZHOU JINRUN BIOLOGICAL ENVIRONMENTAL PROTECTIONTECH CO LTD
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