Fertilizer suitable for tea and preparation method thereof

A fertilizer and tea technology, which is applied in the field of tea special fertilizer and its preparation, can solve the problems of organic fertilizer exceeding the environmental carrying capacity, low utilization rate of organic fertilizer, and soil structure damage, so as to improve water and fertilizer retention capacity, facilitate crop absorption, The effect of solving soil problems

Inactive Publication Date: 2020-03-27
ANALYSIS & TESTING CENT CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Based on the above technical problems, the present invention provides a fertilizer suitable for tea and its preparation method, which avoids the problems of soil structure damage and low utilization rate of organic fertilizers caused by the large amount of

Method used

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  • Fertilizer suitable for tea and preparation method thereof

Examples

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Example Embodiment

[0029] Example 1:

[0030] Raw materials: 200 parts of livestock manure, 250 parts of tea tree by-products, 10 parts of Bacillus subtilis and 50 parts of modified starch.

[0031] Preparation method: conduct an anaerobic fermentation of livestock manure for 5-8 days; crush the tea tree by-product; add the crushed tea tree by-product to the livestock manure and add deionized water to make the mixture moisture content reach 65% -75%; add microbial agent, carry out secondary fermentation, fermentation time is 40-60 days, and collect solids by suction filtration; add the obtained solids into modified starch, mix and stir uniformly, and then quickly dry at 50-80℃ , To obtain fertilizer with a particle diameter of 2mm-8mm.

[0032] The preparation method of the modified starch is as follows: Take 1000kg of native corn starch and put it into the kneader, dissolve 1kg of sodium tripolyphosphate, 1kg of urea and 0.5kg of hydrochloric acid with 8 liters of water, stir until completely dissolv...

Example Embodiment

[0033] Example 2:

[0034] Raw materials: 300 parts of livestock manure, 200 parts of tea tree by-products, 20 parts of Bacillus subtilis and 120 parts of modified starch. The preparation method of the modified starch is the same as in Example 1.

[0035] Preparation method: conduct an anaerobic fermentation of livestock manure for 5-8 days; crush the tea tree by-product; add the crushed tea tree by-product to the livestock manure and add deionized water to make the mixture moisture content reach 65% -75%; add microbial agent, carry out secondary fermentation, fermentation time is 40-60 days, and collect solids by suction filtration; add the obtained solids into modified starch, mix and stir uniformly, and then quickly dry at 50-80℃ , To obtain fertilizer with a particle diameter of 2mm-8mm.

Example Embodiment

[0036] Example 3:

[0037] Raw materials: 500 parts of livestock manure, 250 parts of tea tree by-products, 150 parts of mushroom residue, 10 parts of Bacillus subtilis and 50 parts of modified starch. The preparation method of the modified starch is the same as in Example 1.

[0038] Preparation method: carry out an anaerobic fermentation of livestock manure with a fermentation time of 5-8 days; crush tea tree by-products and mushroom residues separately; add tea tree by-products and mushroom residues to livestock manure and add deionized water , Make the water content of the mixture reach 65%-75%; add microbial agents, carry out secondary fermentation, the fermentation time is 40-60 days, and collect the solids by suction filtration; add the obtained solids to the modified starch and mix and stir evenly Dry quickly at 50-80°C to obtain fertilizer with a particle diameter of 2mm-8mm.

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Abstract

The invention relates to a fertilizer suitable for tea and a preparation method thereof. The fertilizer is prepared from the following raw materials in parts by weight: 200-550 parts of livestock manure, 150-250 parts of tea tree by-products, 10-25 parts of microbial agents and 50-150 parts of modified starch. The stability of the organic fertilizer added with the modified starch is superior to that of a single organic fertilizer, and the organic fertilizer has practical significance in the aspects of improving the stability of the fertilizer in the use process, reducing the loss of nutrient components of the fertilizer, improving the utilization rate of the fertilizer, reducing environmental pollution caused by tea cultivation and fertilization and the like. At present, the application ofthe modified starch for the controlled-release fertilizer is rarely reported in the domestic tea industry, and no public patent report of the modified starch for the controlled-release fertilizer forthe tea exists. As a derivative of plant starch which is rich in source, low in price, renewable and nutritional, the modified starch has a wide development prospect in the field of application of tea slow-release fertilizers.

Description

technical field [0001] The invention belongs to the field of plant fertilizers, in particular to a special fertilizer for tea and a preparation method thereof. Background technique [0002] Tea is one of the world's three major soft drinks originating from my country. Many people around the world are fond of tea. Because of its low sugar content, multiple nutritional values ​​and health functions, tea is considered to be the most vital and most promising beverage. good drink. In my country, tea is the second largest export agricultural product after silkworm cocoons and silk. The planting area and picking area of ​​tea gardens rank first in the world, and the total output ranks second in the world. The quantity and quality of tea production are directly related to the social and economic development level and people's living standards in areas where tea is the main economic crop cultivated. In recent years, my country's tea output has increased substantially, but due to neg...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/80C05F17/20C05F17/50
CPCC05B17/00C05G3/00Y02W30/40
Inventor 赵敏范琼邓爱妮苏初连
Owner ANALYSIS & TESTING CENT CHINESE ACADEMY OF TROPICAL AGRI SCI
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