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Phosphorus-enhanced carbon-based slow-action fertilizer and preparation method thereof

A slow-acting, carbon-based technology, applied in phosphate fertilizers, ammonium orthophosphate fertilizers, alkaline orthophosphate fertilizers, etc., can solve the problems of poor phosphorus slow-acting performance, low phosphorus content in carbon-based slow-acting fertilizers, and single nutrition. Achieve the effect of increasing phosphorus content, balanced nutrition, and good slow-acting effect

Inactive Publication Date: 2017-05-31
BEIJING SANJU GREEN ENERGY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For this reason, what the present invention intends to solve is the defects of low phosphorus content, poor slow-acting effect of phosphorus and single nutrition in carbon-based slow-acting fertilizer, and then improves a kind of fertilizer with high phosphorus content, good slow-acting effect of phosphorus and balanced nutrition Phosphorus-enhanced carbon-based slow-acting fertilizer and preparation method thereof

Method used

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  • Phosphorus-enhanced carbon-based slow-action fertilizer and preparation method thereof
  • Phosphorus-enhanced carbon-based slow-action fertilizer and preparation method thereof
  • Phosphorus-enhanced carbon-based slow-action fertilizer and preparation method thereof

Examples

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Effect test

Embodiment 1

[0042] This example provides a phosphorus-enhanced carbon-based slow-acting fertilizer and a preparation method thereof. The carbon-based slow-acting fertilizer is made from the following raw materials: 27.2g of phosphorus-containing biomass, 2.3g of the first urea, 2.3g of clay, 1.4g of basalt, 1.1g of apatite, 1.1g of iron oxide, 7g of potassium sulfate, Potassium chloride 5g, diammonium hydrogen phosphate 10g, bentonite 7g, second urea 30g;

[0043] Wherein, the phosphorus content in the phosphorus-containing biomass is 1wt%; the clay is red clay, wherein SiO 2 、Al 2 o 3 and Fe 2 o 3 The mass ratio of SiO in the basalt is 2:2:1; 2 、Al 2 o 3 , CaO, MgO, Fe 2 o 3 、TiO 2 and K 2 The mass ratio of O is 35:10:10:15:15:6:2; P in the apatite 2 o 5 , the mass ratio of CaO and F is 25:50:4;

[0044] The preparation method of the above-mentioned carbon-based slow-acting fertilizer comprises the following steps:

[0045] (1) Immerse wheat straw in 35wt% phosphoric acid ...

Embodiment 2

[0052] This example provides a phosphorus-enhanced carbon-based slow-acting fertilizer and a preparation method thereof. The carbon-based slow-acting fertilizer is made from the following raw materials: 25g of phosphorus-containing biomass, 3g of the first urea, 1g of clay, 2.5g of basalt, 0.3g of apatite, 2g of iron oxide, 8g of potassium sulfate, and 3g of potassium chloride , 15g of diammonium hydrogen phosphate, 10g of bentonite, 25g of second urea;

[0053] Wherein, the phosphorus content in the phosphorus-containing biomass is 0.5wt%; the clay is red clay, wherein SiO 2 、Al 2 o 3 and Fe 2 o 3 The mass ratio of SiO in the basalt is 4:6:1; 2 、Al 2 o 3 , CaO, MgO, Fe 2 o 3 、TiO 2 and K 2 The mass ratio of O is 30:15:5:20:5:7:1; P in the apatite 2 o 5 , the mass ratio of CaO and F is 10:55:3;

[0054] The preparation method of the above-mentioned carbon-based slow-acting fertilizer comprises the following steps:

[0055] (1) Immerse wheat straw in 20wt% sodium...

Embodiment 3

[0060] This example provides a phosphorus-enhanced carbon-based slow-acting fertilizer and a preparation method thereof. The carbon-based slow-acting fertilizer is made of the following raw materials: 30g of phosphorus-containing biomass, 0.5g of the first urea, 4g of clay, 1g of basalt, 2g of apatite, 0.3g of iron oxide, 5g of potassium sulfate, and 6g of potassium chloride , 5g of diammonium hydrogen phosphate, 5g of bentonite, 27g of second urea;

[0061] Wherein, the phosphorus content in the phosphorus-containing biomass is 1.5wt%; the clay is red clay, wherein SiO 2 、Al 2 o 3 and Fe 2 o 3 The mass ratio of SiO in the basalt is 8:5:1; 2 、Al 2 o 3 , CaO, MgO, Fe 2 o 3 、TiO 2 and K 2 The mass ratio of O is 45:10:12:8:20:2:4; P in the apatite 2 o 5 , the mass ratio of CaO and F is 40:45:5;

[0062] The preparation method of the above-mentioned carbon-based slow-acting fertilizer comprises the following steps:

[0063] (1) Immerse wheat straw in 35wt% phosphori...

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Abstract

The invention discloses a phosphorus-enhanced carbon-based slow-action fertilizer and a preparation method thereof. The phosphorus-enhanced carbon-based slow-action fertilizer comprises, by weight, 25-30 parts of phosphorus-containing biomass, 0.5-3 parts of first urea, 1-4 parts of clay, 1-2.5 parts of basalt, 0.3-2 parts of apatite and 0.3-2 parts of iron oxide. The raw materials are sequentially mixed and carbonized to prepare the phosphorus-enhanced carbon-based slow-action fertilizer. The phosphorus-enhanced carbon-based slow-action fertilizer is high in phosphorus content and balanced in nutrition, slow action of phosphorus is good, use ratio of the phosphorus can be effectively increased, and the phosphorus content in crops can be effectively improved.

Description

technical field [0001] The invention belongs to the technical field of preparation of biomass composite slow-acting fertilizer, and in particular relates to a phosphorus-enhanced carbon-based slow-acting fertilizer and a preparation method thereof. Background technique [0002] Fertilizers are the most important means of production to maintain stable and increased agricultural production in my country. Over the years, my country's agricultural chemical fertilizer application intensity has continued to increase, and the national consumption accounts for 35% of the world's total. The amount of chemical fertilizer application has increased from 174.6kg / hm in 1990 2 Increased to 351.45kg / hm in 2011 2 , increasing very rapidly. Due to excessive fertilization or partial fertilization, the efficiency of chemical fertilizer use is low. At present, the utilization rate of nitrogen fertilizer in our country is only about 30%, and the utilization rate of phosphorus fertilizer is 10%...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05B7/00C05G3/00C05B17/00C05C9/00C05D1/02C05D9/00C05D9/02C05F11/00
Inventor 李恋卿潘根兴林科付兴国张少明张晓楠姚春雪张旭辉郑聚锋刘晓雨郑金伟程琨
Owner BEIJING SANJU GREEN ENERGY TECH CO LTD
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