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Special-purpose controlled-release fertilizer coated with sulfur and resin for celery cabbage and preparation method thereof

A controlled-release fertilizer and Chinese cabbage technology, applied in the direction of application, nitrogen fertilizer, potassium fertilizer, etc., can solve the problems that there is no preparation method of Chinese cabbage, the amount of organic fertilizer is limited, and it is difficult to meet the needs of Chinese cabbage, so as to improve the utilization rate of fertilizers and reduce nutrients Loss, improvement of sulfur nutrition effect

Active Publication Date: 2009-01-07
KINGENTA ECOLOGICAL ENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the expansion of the cultivation area, the quantity of organic fertilizer is limited, and the price continues to increase, which is difficult to meet the requirements of the development of Chinese cabbage. At present, there is no report on the special controlled release fertilizer for Chinese cabbage and its preparation method.

Method used

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  • Special-purpose controlled-release fertilizer coated with sulfur and resin for celery cabbage and preparation method thereof

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Effect test

Embodiment 1

[0042] Embodiment 1: special controlled-release fertilizer for Chinese cabbage, total nutrient: nitrogen, phosphorus pentoxide, potassium oxide content are respectively 23%, 6%, 12%, percentage by mass. The raw material components are as follows:

[0043] 4% thermoplastic resin coated potassium nitrate 100kg

[0044] Sulfur coated compound fertilizer 300kg

[0045] 4% thermoplastic resin coated urea 153kg

[0046] Sulfur coated urea 280kg

[0047] Diammonium phosphate 32kg

[0048] Potassium sulfate 85kg

[0049]Urea 40kg

[0050] Zinc sulfate 5kg

[0051] Borax 5kg.

[0052] The preparation method is that the above-mentioned raw materials are put into a blender and stirred for 5-10 minutes, and fully mixed to obtain the product. Then the mixed fertilizer is sent to the metering and packaging machine for metering and packaging.

Embodiment 2

[0053] Embodiment 2: special controlled-release fertilizer for Chinese cabbage, total nutrient: nitrogen, phosphorus pentoxide, potassium oxide content are respectively 21%, 10%, 12%, mass percentage. The raw material components are as follows:

[0054] 4% thermoplastic resin coated potassium nitrate 100kg

[0055] Sulfur coated compound fertilizer 300kg

[0056] 4% thermoplastic resin coated urea 108kg

[0057] Sulfur coated urea 240kg

[0058] Diammonium phosphate 117kg

[0059] Potassium sulfate 85kg

[0060] Urea 40kg

[0061] Zinc sulfate 5kg

[0062] Borax 5kg.

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Abstract

The invention relates to a special controlled release fertilizer for Chinese cabbages and a preparation method thereof. The invention is compounded by compositions of 4 percent of thermoplastic resin coated potassium nitrate, sulphur coated compound fertilizer, 4 percent of thermoplastic resin coated carbamide, sulphur coated carbamide, diammonium phosphate, etc. The special controlled release fertilizer for the Chinese cabbages of the invention is served as a base fertilizer to be applied once before sowing and is unnecessary to do dressing, thus acquiring relatively good yield-increasing effect, improving the utilization ratio of the fertilizer and saving labor and time.

Description

technical field [0001] The invention relates to a special controlled-release fertilizer for Chinese cabbage prepared by compounding sulfur and thermoplastic resin coated fertilizer and a preparation method thereof, belonging to the technical field of slow / controlled release fertilizers. Background technique [0002] Chinese cabbage is one of the main leafy vegetable varieties in my country. In the past, Chinese cabbage was only grown north of the Yangtze River, and it has made great contributions to solving the problem of eating vegetables in winter and spring in northern my country. With the successful breeding of new varieties such as heat resistance, the cultivation area of ​​Chinese cabbage has also been continuously expanded, and annual supply has been achieved. At present, countries around my country, such as Vietnam, Thailand, the Philippines, etc., as well as countries in Europe and the United States, have relatively large areas of cultivation. [0003] Chinese cab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G3/00C05G3/08C05C9/00C05C5/02C05D1/02C05B7/00C05D9/02C05G3/90
Inventor 万连步杨力李广涛解玉洪孙科
Owner KINGENTA ECOLOGICAL ENG GRP
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