Preparation method of fertilizer special for asparagus lettuce

A technology for special fertilizer and lettuce, which is applied in the field of special fertilizer preparation for lettuce, can solve the problems of difficulty in grasping and controlling the application amount, affecting the cultivation yield and quality, excessive or insufficient nutrients, etc., achieving good stress resistance, preventing non-point source pollution, The effect of planting yield and quality improvement

Inactive Publication Date: 2014-06-04
云南通海锦达穗丰好复合肥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem that in the process of cultivating lettuce, it is difficult to grasp and control the amount of common chemical fertilizers used by people, unbalanced fertilization, easy occurrence of excessive or

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of preparation method of special fertilizer for lettuce, concrete steps are as follows:

[0021] (a) Raw material measurement: Prepare the raw materials, put them into the automatic scale, and use the automatic scale to weigh the raw materials according to the composition and weight ratio of the raw materials; wherein, the composition and weight ratio of the raw materials are: 17 parts of urea, 5 parts of monoammonium phosphate, 20 parts of potassium chloride, 4 parts of calcium oxide, 2 parts of zinc sulfate, 2 parts of boron fertilizer, 2 parts of sodium nitrophenolate;

[0022] (b) Mixing: Transfer the raw materials weighed by the automatic meter to the mixer for mixing, control the stirring speed of the mixer to 15 times / min, and the mixing time to 10 minutes;

[0023] (c) Raw material melting: After the stirring is completed, transfer the stirred raw materials into the melting tank, turn on the switch of the melting tank, heat the raw materials placed in the...

Embodiment 2

[0031] A kind of preparation method of special fertilizer for lettuce, concrete steps are as follows:

[0032] (a) Raw material measurement: Prepare the raw materials, put them into the automatic scale, and use the automatic scale to weigh the raw materials according to the composition and weight ratio of the raw materials; wherein, the composition and weight ratio of the raw materials are: 16 parts of urea, 4 parts of monoammonium phosphate, 18 parts of potassium chloride, 3 parts of calcium oxide, 3 parts of zinc sulfate, 1 part of boron fertilizer, 3 parts of sodium nitrophenolate;

[0033] (b) Mixing: Transfer the raw materials weighed by the automatic meter to the mixer for mixing, control the stirring speed of the mixer to 20 times / min, and the mixing time to 3 minutes;

[0034] (c) Raw material melting: After the stirring is completed, transfer the stirred raw materials into the melting tank, turn on the switch of the melting tank, heat the raw materials placed in the m...

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PUM

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Abstract

A preparation method of a fertilizer special for asparagus lettuce comprises the following steps: raw materials metering, mixing, raw material melting, liquid material slurry filtration, slurry spraying, cooling and granulation, granule screening, and finished product packaging, the fertilizer comprises the following components and raw materials: 16-17 parts of urea, 4-5 parts of monoammonium phosphate, 18-20 parts of potassium chloride, 3-4 parts of calcium oxide, 2-3 parts of zinc sulfate, 1-2 parts of boron fertilizer and 2-3 parts of sodium nitrophenolate. The melted and granulated special fertilizer is uniform in release of fertilizer efficiency, is relatively long in effect time, is not easy to scatter during storage and transportation and use processes, and is less in loss, by applying the fertilizer, asparagus lettuce plants are vigorous in growth vigour, the plant height is 60cm, the stem diameter is 8cm, the yield is high, the rough weight per plant is 2kg, the net weight per plant is 1.6 kg, the net vegetable rate can reach 80%, the product is green in leaf and stem, not easy to bolt, good in commercial appearance, high in seal price, easy to sale, and capable of achieving better economic benefit.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and relates to a method for preparing a special fertilizer for lettuce. Background technique [0002] Lettuce is an annual or biennial herb of the genus Lactuca in the Compositae family, also known as lettuce, lettuce, and lettuce. It was introduced into my country through West Asia and is currently widely cultivated throughout our country. Lettuce is divided into stem lettuce and leaf lettuce according to its edible parts. The edible part of stem lettuce is mainly the flower stem, the stem is fat and tender, and the edible part of leaf lettuce is lettuce leaf; according to the shape of its leaves, it is divided into round leaf lettuce and lettuce. Leaf lettuce and round leaf lettuce have obovate leaves, thick stems, good quality, pointed leaf lettuce leaves have a pointed apex, stems are stick-like, the lower part is thick and the upper part is tapering; lettuce is one of the most common veg...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 期兆林王远荣王丽华杨永伟
Owner 云南通海锦达穗丰好复合肥有限公司
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