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Compound fertilizer used for stevia rebaudiana

A technology of compound fertilizer and stevia, which is applied in the direction of urea compound fertilizer and fertilizer made from biological waste, can solve the problems of pollution, waste of nitrogen fertilizer and phosphate fertilizer, and unbalanced nutrient distribution ratio, so as to reduce environmental pollution and improve The effect of fertilizer utilization rate, high economic benefit and extension value

Inactive Publication Date: 2017-05-31
MINGGUANG DAQUAN STEVIA PROFESSIONAL COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the conventional fertilization method at this stage has the problem of unbalanced nutrient distribution, which not only causes waste of nitrogen and phosphorus fertilizers, but also easily pollutes rivers and groundwater due to runoff. Must do

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A compound fertilizer for stevia, comprising by weight, 60 parts of urea, 20 parts of potassium phosphate, 4 parts of zinc sulfate, 4 parts of copper sulfate, 20 parts of humus, 5 parts of citric acid, 10 parts of pear residue, apple 10 parts of slag, 10 parts of honeysuckle slag and 10 parts of mushroom slag.

[0015] A method for preparing compound fertilizer for stevia, drying and pulverizing urea, potassium phosphate, zinc sulfate, copper sulfate, humus, citric acid, pear pomace, apple pomace, honeysuckle pomace and mushroom pomace in a vacuum environment, and feeding into Granulate in a granulator and process into spherical particles.

[0016] The vacuum is 0.01 mbar.

[0017] The spherical particles have a diameter of 2 mm.

Embodiment 2

[0019] A compound fertilizer for stevia, comprising by weight, 80 parts of urea, 25 parts of potassium phosphate, 6 parts of zinc sulfate, 6 parts of copper sulfate, 25 parts of humus, 10 parts of citric acid, 20 parts of pear pomace, apple 20 parts of slag, 20 parts of honeysuckle slag and 20 parts of mushroom slag.

[0020] A method for preparing compound fertilizer for stevia, drying and pulverizing urea, potassium phosphate, zinc sulfate, copper sulfate, humus, citric acid, pear pomace, apple pomace, honeysuckle pomace and mushroom pomace in a vacuum environment, and feeding into Granulate in a granulator and process into spherical particles.

[0021] The vacuum is 0.03 mbar.

[0022] The spherical particles have a diameter of 3 mm.

Embodiment 3

[0024] A compound fertilizer for stevia, comprising by weight, 100 parts of urea, 30 parts of potassium phosphate, 8 parts of zinc sulfate, 8 parts of copper sulfate, 30 parts of humus, 15 parts of citric acid, 30 parts of pear residue, apple 30 parts of slag, 30 parts of honeysuckle slag and 30 parts of mushroom slag.

[0025] A method for preparing compound fertilizer for stevia, drying and pulverizing urea, potassium phosphate, zinc sulfate, copper sulfate, humus, citric acid, pear pomace, apple pomace, honeysuckle pomace and mushroom pomace in a vacuum environment, and feeding into Granulate in a granulator and process into spherical particles.

[0026] The vacuum is 0.05 mbar.

[0027] The spherical particles have a diameter of 4 mm.

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Abstract

The invention belongs to the technical field of agricultural planting and particularly relates to a compound fertilizer used for stevia rebaudiana. The compound fertilizer includes, by weight, 60-100 parts of urea, 20-30 parts of potassium phosphate, 4-8 parts of zinc sulfate, 4-8 parts of copper sulfate, 20-30 parts of humus, 5-15 parts of citric acid, 10-30 parts of pear residue, 10-30 parts of apple residue, 10-30 parts of honeysuckle residue, and 10-30 parts of mushroom residue. The compound fertilizer has a reasonable formula of nutrients, and can solve the problem of nutritional demands of the stevia rebaudiana when being applied and is increased in utilization rate, thereby reducing environment pollution due to fertilizer loss. The compound fertilizer is beneficial to sustainable development of agricultural ecological systems and has high economic benefit and promoting value, and also has the effects of improving soil and increasing yield of the stevia rebaudiana.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a compound fertilizer used for stevia. Background technique [0002] Stevia is an herb of Compositae, native to Paraguay. It was successfully introduced and cultivated in my country in the early 1980s. The sweetness of steviol glycosides in its leaves is more than 300 times that of sucrose. It is known as the most valuable and promising new healthy sugar. source. [0003] However, the conventional fertilization method at this stage has the problem of unbalanced nutrient distribution, which not only causes waste of nitrogen and phosphorus fertilizers, but also easily pollutes rivers and groundwater due to runoff. must do. The invention rationally matches the ratio of nutrient elements, and after application, it not only solves the nutritional demand problem of stevia rebaudiana, but also improves the fertilizer utilization rate, reduces environmental pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05B7/00C05G3/80C05C9/00C05D9/02C05F5/00C05F5/002C05F11/02C05G5/12
Inventor 贾德军
Owner MINGGUANG DAQUAN STEVIA PROFESSIONAL COOP
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