Agriculture drought-resistant and water-conserving soil improvement agent

A soil conditioner and agricultural technology, applied in the field of polymer materials and agricultural drought-resistant and water-retaining soil conditioners, can solve the problems of decreased water-retention performance and fertilizer-retention performance, inability to provide plant roots, and plant rotten roots, etc., so as to ensure water retention and fertilizer supply. Fertilizer ability, ensure salt tolerance and fertilizer retention ability, and improve the effect of salt tolerance

Inactive Publication Date: 2017-06-30
QINGDAO CHUANYI DIATOMITE
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AI Technical Summary

Problems solved by technology

[0004] At present, the superabsorbent resins of agricultural drought-resistant water-retaining agents generally have poor salt tolerance (generally, the water absorption rate of salt-containing solutions is only about 10% of its distilled water absorption rate), and agricultural drought-resistant water-retaining agents are generally used in soil environments where salt exists. Improving salt resistance is of great significance to its function
The superabsorbent resin used as an agricultural drought-resistant water-retaining agent should be able to "absorb water and waterproof" according to the needs of crops. At present, most agricultural drought-resistant water-retaining agents cannot provide respiration for plant roots, causing plants to rot.
In addition, after most agricultural drought-resistant and water-retaining agents are applied to the soil, the water-retaining performance and the fertilizer-retaining performance of nitrogen, phosphorus and potassium nutrients drop sharply.

Method used

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  • Agriculture drought-resistant and water-conserving soil improvement agent
  • Agriculture drought-resistant and water-conserving soil improvement agent

Examples

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Embodiment 1

[0028] The present invention proposes an agricultural drought-resistant and water-retaining soil improver. The soil improver includes the following raw materials and contents, wherein, the salt-resistant polymer water-absorbing resin is 78wt%, silane is 2wt%, and diatomite is 20wt%.

[0029] The preparation method of above-mentioned soil conditioner is as follows:

[0030] Ⅰ. Weigh the raw materials according to the above ratio;

[0031] Ⅱ. Then add the salt-resistant polymer water-absorbing resin, coupling agent, and diatomaceous earth and stir evenly, then put the mixture into a special grinder and grind it to a certain fineness to obtain this product.

[0032] Among them, the salt-resistant polymer water-absorbing resin is synthesized by reverse-phase suspension polymerization, and the specific steps are as follows: the preparation is as follows:

[0033] A, Weigh raw materials: 100kg of acrylic acid monomer, 133kg of water, 44.7kg of sodium hydroxide, 0.067kg of initiator...

Embodiment 2

[0039] Embodiment 2. An agricultural soil improver for drought resistance and water conservation. The soil improver includes the following raw materials and contents, wherein, the salt-resistant polymer water-absorbing resin is 76 wt%, silane is 3 wt%, and diatomaceous earth is 21 wt%.

[0040] The preparation process of the modifier in this example is basically the same as that in Example 1, the difference being that the initiator in this example is hydrogen peroxide, and the crosslinking agent is N-N' methylenebisacrylamide , The emulsifier is Span 60, and the dispersant is octadecyl phosphate monoester.

Embodiment 3

[0041] Embodiment 3. An agricultural drought-resistant and water-retaining soil improver. The soil improver includes the following raw materials and contents: 78wt% of salt-resistant polymer water-absorbing resin, 2wt% of silane, and 20wt% of perlite.

[0042] The preparation process of the modifier in this example is basically the same as that of Example 1, the difference being that in this example the initiator is ammonium bisulfite, the crosslinking agent is, alkyl phosphate, emulsifier It is sodium dodecylbenzenesulfonate, and the dispersant is cyclohexane.

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Abstract

The invention provides an agriculture drought-resistant and water-conserving soil improvement agent. The soil improvement agent comprises the following raw materials in percentage by weight: 70-80 percent of salt-resistant high-molecular polymer water-absorbing resin, 2-10 percent of coupling agent and 10-25 percent of activated soil. The agriculture drought-resistant and water-conserving soil improvement agent provided by the invention has the benefits that a novel formula of agriculture drought-resistant and water-conserving soil improvement agent is produced by taking the salt-resistant resin and diatomite as raw materials and bridging with the coupling agent; the improvement agent not only has salt resistance, but also is high in water-absorbing capacity.

Description

technical field [0001] The invention relates to an agricultural drought-resistant and water-retaining soil improver, which belongs to the fields of polymer materials, agriculture and agricultural water-retaining agents. Background technique [0002] The total area of ​​arid and semi-arid areas in my country is 4.55 million hectares, accounting for 47% of the total land area. As my country's strategic focus gradually shifts to the west, water resources have increasingly become one of the important constraints on the development of the national economy. my country's agriculture is short of about 30 billion m of water every year 3 , the agricultural water crisis is intensifying, and if agricultural production is to develop towards high and stable yields, it is necessary to develop water-saving irrigation and dryland farmland water-saving and water-conservation technologies centered on making full use of limited precipitation; using soil water-retaining agents to achieve water-s...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K101/00C09K107/00
CPCC09K17/40C09K2101/00C09K2107/00
Inventor 董卜祯
Owner QINGDAO CHUANYI DIATOMITE
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