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Special fertilizer for paulownia fortune young forest and application method of special fertilizer

A technology of paulownia white flower and special fertilizer, applied in the direction of fertilization method, application, nitrogen fertilizer, etc., can solve the problems of low yield increase efficiency and the like

Inactive Publication Date: 2017-09-05
广西林农林业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The results of many years of artificial cultivation of Paulownia white flower show that fertilizer is the most important factor affecting the growth of Paulownia white flower, but there is no special fertilizer for the growth of Paulownia white flower young forest on the market, artificial cultivation of Paulownia white flower can only use ordinary compound fertilizer
However, there is a large gap between the nutrient ratio and content of ordinary compound fertilizers and the law of fertilizer demand of Paulownia alba, which leads to the failure of Paulownia alba plantations to develop their growth potential, and the yield increase efficiency is generally low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Preparation: To process 1 ton of special fertilizer for paulownia white flower young forests, 312 kg of urea (46% nitrogen content), 164 kg monoammonium phosphate (10% nitrogen content, 42% phosphorus content) and 285 kg potassium chloride (60% potassium content) are required , using 239 kilograms of kaolin as a filler, mixing various components uniformly, then granulating and drying to obtain a nitrogen content of 16.0%, a phosphorus content of 6.9%, and a potassium content of 17.1%.

[0017] Application: Use the prepared special fertilizer as the base fertilizer, apply 0.394-0.438kg per plant into the pre-dug planting hole 30-45 days before afforestation, fully mix the special fertilizer and soil and return to the soil; after afforestation Fertilize once every 4 months, and apply 0.394-0.438kg of special fertilizer to each plant.

[0018] Results: The annual Paulownia white flower young forest has an average tree height of 5.6 meters and a ground diameter of 5.8 cm. T...

Embodiment 2

[0020] Preparation: To process 1 ton of special fertilizer for paulownia white flower young forests, 250 kg of urea (46% nitrogen content), 131 kg monoammonium phosphate (10% nitrogen content, 42% phosphorus content) and 228 kg potassium chloride (60% potassium content) are required , using 391 kilograms of clay as a filler, mixing various components uniformly, then granulating and drying to obtain a nitrogen content of 12.8%, a phosphorus content of 5.5%, and a potassium content of 13.7%.

[0021] Apply with embodiment 1, result is suitable with embodiment 1, repeats no more.

Embodiment 3

[0023] Preparation: To process 1 ton of special fertilizer for paulownia white flower young forests, 281 kg of urea (46% nitrogen content), 148 kg monoammonium phosphate (10% nitrogen content, 42% phosphorus content) and 257 kg potassium chloride (60% potassium content) are required , using 314 kilograms of kaolin as a filler, mixing various components uniformly, then granulating and drying to obtain a nitrogen content of 14.4%, a phosphorus content of 6.2%, and a potassium content of 15.4%.

[0024] Apply with embodiment 1, result is suitable with embodiment 1, repeats no more.

[0025] There is a large gap between common compound fertilizers and Paulownia albatross in terms of their nutrient ratio and content, while the nutrient ratio and content of the special fertilizer in the present invention are determined on the basis of fully studying the growth of Paulownia albatross young forests on the law of nutrient demand. owned. Therefore, the application of the special fertil...

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Abstract

The invention discloses special fertilizer for paulownia fortune young forest. The special fertilizer is prepared by mixing and granulating nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, wherein the content of nitrogen elements is 12.8 to 16 percent, the content of phosphorus elements is 5.5 to 6.9 percent, and the content of potassium elements is 13.7 to 17.1 percent. The special fertilizer is scientific in formula and excellent in effect and is special fertilizer which is most suitable for the growth and development of the paulownia fortune young forest, can sufficiently play the growth potential of the paulownia fortune, can increase the plant height and a diameter at a breast height, and can increase the production efficiency and economic benefit of the paulownia fortune young forest stand. The practice proves that by utilizing the special fertilizer for the paulownia fortune young forest, the annual growth rate of a tree is increased by 30 percent or more, and the annual growth rate of a ground diameter is increased by 40 percent or more.

Description

technical field [0001] The invention belongs to the field of compound fertilizers for forests, and in particular relates to a special fertilizer for Paulownia alba young forests and a using method thereof. Background technique [0002] Paulownia fortunei is a deciduous tree of the genus Paulownia in the family Scrophulariaceae, with a height of 20m. It is distributed in more than 10 provinces in my country. It has salt and alkali resistance, strong resistance, wide range of climate adaptation, fast growth, excellent material, and ecological value. It is an important fast-growing afforestation tree species in the central and eastern regions of my country and has great development potential. [0003] In order to develop and utilize Paulownia resources, the State Forestry Administration has set up a Paulownia Research and Development Center to collect excellent Paulownia germplasm resources, select and breed excellent Paulownia clones, and conduct directional cultivation of them...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
CPCA01C21/005C05B7/00C05G5/12C05C9/00C05D1/02C05D9/00Y02P60/40Y02A40/22
Inventor 廖宝鹤丁慧
Owner 广西林农林业科技有限公司
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