Microorganism-containing compound fertilizer and preparation method thereof

A compound fertilizer and microorganism technology, applied in the field of compound fertilizer containing microorganisms and its preparation, can solve the problems affecting the addition, unevenness and shedding of active microorganisms, and achieve the effect of maintaining the survival rate

Inactive Publication Date: 2018-07-31
中化化肥有限公司临沂农业研发中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The traditional granular fertilizer process adopts continuous two-stage drying and continuous two-stage cooling after the granulation process. The drying temperature is high, which affects the addition of active microorganisms; and the powdery microbial agent is rolled onto the During the surface process of fertilizer granules, due to the low water content of the

Method used

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  • Microorganism-containing compound fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment one: the shaking basin granulation method that contains microbial compound fertilizer.

[0036] A kind of compound fertilizer containing microorganisms that the present invention relates to, the step of carrying out laboratory shaking basin granulation is as follows:

[0037] 1. Purchase organic materials, urea, monoammonium phosphate, ammonium sulfate, potassium sulfate, potassium chloride, calcium magnesium phosphate fertilizer, clay, and crush and sieve solid raw materials;

[0038]2. According to organic material 0%~25%, urea 10%~40%, monoammonium phosphate 10%~35%, ammonium sulfate 10%~40%, potassium sulfate 10%~40%, potassium chloride 10%~35%, Calcium magnesium phosphate fertilizer 2% ~ 15%, clay 2% ~ 15% formula ratio to weigh and mix the ingredients;

[0039] 3. Add the mixed raw materials into a wide-mouthed round basin, shake the basin manually, and apply tap water with a watering can. After the fertilizer granules are formed in the basin, take ...

Embodiment 2

[0043] Embodiment two: the verification of the effect of compound fertilizer containing microorganisms on lettuce.

[0044] The microbial compound fertilizer that the present invention relates to, carries out the fertilizer efficiency verification test with lettuce as the test crop:

[0045] Variety: Zhongdu No. 3 lettuce.

[0046] Test site: Greenhouse vegetable base with an area of ​​1.5 mu.

[0047] Soil conditions: soil type is yellow brown soil, nutrient indicators: alkaline hydrolyzed nitrogen 94.33mg / kg, available phosphorus 26.22mg / kg, available potassium 360.12mg / kg, organic matter: 26.40g / kg, pH value 4.92.

[0048] Test design: in order to verify the fertilizer efficiency of the compound fertilizer containing microorganisms described in the present invention, compare with 15-15-15 conventional compound fertilizers and similar compound microorganism products in the market, the test design and results are as follows:

[0049] make up

[0050] Numb...

Embodiment 3

[0052] Embodiment three: the effective viable count determination of microbial compound fertilizer.

[0053] see figure 1 It is a schematic diagram of tracking and measuring the number of effective viable bacteria of the present invention. The microbial compound fertilizer prepared in Example 1 is stored at room temperature after the preparation is completed, and the number of effective viable bacteria is detected for 12 consecutive months, once a month. At the same time, two groups of samples with the same composition and different ways of adding bacteria were compared. One of the comparison samples was the compound fertilizer with bacteria added after spraying coating oil, and the other was the compound fertilizer with bacteria added to the surface layer. agent. The detection method of effective viable count adopts the plate counting method in 5.1 of "NY / T 2321-2013 Microbial Fertilizer Product Inspection Regulations".

[0054] The test results show that the microbial comp...

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Abstract

The invention discloses microorganism-containing compound fertilizer and a preparation method thereof. The microorganism-containing compound fertilizer has a water content of less than or equal to 5.0%; based on a mass fraction, the total nutrient of nitrogen, phosphorus and potassium is more than or equal to 35%, and the effective viable cell count is not less than 2.0*10<7> CFU/g; the compound fertilizer is mainly prepared from 10-40% of urea, 10-35% of monoammonium phosphate, 10-40% of ammonium sulfate, 10-40% of potassium sulfate, 10-35% of potassium chloride, 2-15% of calcium-magnesium-phosphate fertilizer, 2-15% of clay, 0.3-0.5% of coating material and 0.01-1% of microbial powder. The preparation method provided by the invention effectively avoids the influence of high temperature on effective viable counts of microorganisms in a fertilizer production process; the yield, single plant weight and Vc content of lettuce treated by using the compound fertilizer provided by the invention are generally higher than those of lettuce treated by using the common compound fertilizer; the effect of the compound fertilizer is significantly higher than that of the similar products in the market; the compound fertilizer can increase the yield and improve the quality, maintains the survival rate of the microbial agent, and has certain stability.

Description

technical field [0001] The invention relates to the field of chemical fertilizers, in particular to a compound fertilizer containing microorganisms and a preparation method thereof. Background technique [0002] Chemical fertilizers are referred to as chemical fertilizers. Fertilizers made by chemical or physical methods containing one or several nutrients needed for crop growth are also called inorganic fertilizers, including nitrogen fertilizers, phosphorus fertilizers, potassium fertilizers, micro-fertilizers, and compound fertilizers. [0003] They have the following common characteristics: simple ingredients, high nutrient content; quick fertilizer effect, strong fertilizer; some fertilizers have acid-base reaction; generally do not contain organic matter, and have no effect of improving soil and fertilizing. There are many types of chemical fertilizers, and their properties and application methods are quite different. [0004] The long-term unreasonable application o...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05B7/00C05G5/30C05B13/02C05C3/00C05C9/00C05D1/02C05D9/00C05F11/08
Inventor 王子浩杜延全满丽萍李遵锋朱其立
Owner 中化化肥有限公司临沂农业研发中心
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