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A kind of desert less pulp xerophyte mineral compound fertilizer and its application

A technology for xerophytes and compound fertilizers, which is applied in the field of mineral compound fertilizers for xerophytes with little pulp in deserts, can solve the problems of fertilizers that do not enhance the drought resistance of xerophytes with few pulps, and achieve increased drought resistance, protection and improvement of the ecological environment, and The effect of increasing plant height

Inactive Publication Date: 2021-12-07
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As an important resource plant in desert areas - xerophytes with few pulps, there are no related reports on fertilizers that enhance the drought resistance of xerophytes with few pulps

Method used

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  • A kind of desert less pulp xerophyte mineral compound fertilizer and its application
  • A kind of desert less pulp xerophyte mineral compound fertilizer and its application
  • A kind of desert less pulp xerophyte mineral compound fertilizer and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The mineral compound fertilizer for xerophyte with less pulp in the desert of this embodiment is made of the following components in parts by weight: 20 parts of potassium nitrate, 10 parts of calcium chloride, 20 parts of magnesium chloride and 10 parts of potassium silicate.

[0024] The desert less pulp xerophyte mineral compound fertilizer of the present embodiment is used for the hydroponics of the desert less pulp plant, and the test method is: the desert less pulp xerophyte mineral compound fertilizer of the present embodiment is dissolved in the Hoagland nutrient solution, named as Compound fertilizer nutrient solution, the concentration of desert few pulp xerophyte mineral compound fertilizer in the compound fertilizer nutrient solution is 12g / L; The composition of described Hoagland nutrient solution is: 2mmol / LKNO 3 , 0.5mmol / LNH 4 h 2 PO 4 , 0.25mmol / LMgSO 4 ·7H 2 O, 0.1mmol / L Ca(NO 3 ) 2 4H 2 O, 0.5mmol / L ferric citrate, 92μmol / LH 3 BO 3 , 18μmol / L...

Embodiment 2

[0040] The mineral compound fertilizer for xerophyte with less pulp in the desert of this embodiment is made of the following components in parts by weight: 40 parts of potassium nitrate, 20 parts of calcium chloride, 60 parts of magnesium chloride and 5 parts of potassium silicate.

[0041] Test method is the same as embodiment 1, and 2 block groups in the present embodiment are respectively with Hoagland nutrient solution (contrast 1, is the contrast 1 in embodiment 1) and compound fertilizer nutrient solution (processing 2), in the compound fertilizer nutrient solution The concentration of the mineral compound fertilizer for desert few pulp xerophytes is 25g / L.

[0042] Table 5 Effects of 0 MPa osmotic potential on the growth and drought resistance of Caragana caragana

[0043]

[0044] Note: a and b represent the significance of the difference at the p<0.05 level.

[0045] It can be seen from Table 5 that under the osmotic potential of 0 MPa, that is, under the conditi...

Embodiment 3

[0055] The mineral compound fertilizer for xerophyte with less pulp in the desert of this embodiment is made of the following components in parts by weight: 20 parts of potassium nitrate, 10 parts of calcium chloride, 20 parts of magnesium chloride and 10 parts of potassium silicate.

[0056] The test method is as follows: put the soil into a flower pot, measure the maximum field water holding capacity of the soil, and when the soil water content is 70% of the maximum field water holding capacity, sow the germinated Caragana caragana seeds evenly in the flower pot, Then cover with sand, the thickness of the sand is about 1.0cm. One week after the emergence of Caragana caragana, water once every other week, and use a platform scale to monitor the change of soil water content every 3 days, so that the soil water content in the flower pot can be maintained to The water holding capacity in the field is about 70%. When the plants grow to about 10cm, carry out thinning treatment, so ...

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Abstract

The present invention provides a kind of mineral compound fertilizer for xerophyte with little pulp in desert, which is composed of potassium nitrate, calcium chloride, magnesium chloride and potassium silicate. In the soil of desert areas, the amount of fertilizer applied is 99.3 kg / mu to 206.9 kg / mu; when it is applied to the soil to cultivate seedlings, the mass ratio of mineral compound fertilizer and soil of xerophyte with less pulp in desert is (0.6g~1.25g): 1kg ; When used in sand or water cultivation, the amount of fertilizer applied is 12g / L-25g / L. The mineral compound fertilizer for xerophytes with less pulp in deserts of the present invention is popularized and applied in desert areas, and is used for cultivating strong drought-resistant seedlings in desert areas, rejuvenating and renewing degraded desert vegetation, promoting the growth of degraded vegetation in desert areas, protecting and improving the ecological environment, and providing Exploring the pathways of drought resistance of desert plants in arid desert areas opens up new research prospects, which can improve soil structure, increase soil fertility, promote the growth of desert xerophytes and increase their drought resistance.

Description

technical field [0001] The invention belongs to the technical field of mineral compound fertilizers, and in particular relates to a mineral compound fertilizer for xerophytes with little pulp in deserts and an application thereof. Background technique [0002] Drought is one of the most serious ecological and environmental problems faced by human beings. According to statistics, the world's arid and semi-arid areas account for one-third of the earth's land area, and my country's arid and semi-arid areas account for about 50% of the country's land area; especially in my country's northwest region, where the ecological environment is relatively fragile, due to extreme drought and little rain, The phenomenon of barren (sand) desertification is particularly serious, and it has become one of the countries with the most serious desertification problem in the world. Faced with the continuous degradation of natural ecosystems caused by drought on a global scale, scientists from all ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/80A01C21/00
CPCA01C21/00C05C5/02C05G3/80C05D1/00C05D3/00C05D5/00
Inventor 康建军赵文智周宏王德金孙程鹏
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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