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Foliar fertilizer promoting alfalfa seedling growth in acidic soil

An alfalfa, acid soil technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems that cannot be used to promote the growth of alfalfa seedlings in acid soils

Active Publication Date: 2014-01-15
SHANGHAI JIAO TONG UNIV SUBEI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"However, the invention cannot be used to promote the growth of alfalfa seedlings in acidic soils.

Method used

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  • Foliar fertilizer promoting alfalfa seedling growth in acidic soil
  • Foliar fertilizer promoting alfalfa seedling growth in acidic soil
  • Foliar fertilizer promoting alfalfa seedling growth in acidic soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Under the soil environment of pH 4.5, two treatments of the control and the growth regulator were set respectively, and the growth status of alfalfa after 30 days of treatment is shown in Table 1.

[0018] The control treatment adopts clean water to spray alfalfa with an average plant height of 5cm, spraying once every 10 days, spraying 2 times in total, each spraying 1L / m 2 ;

[0019] A kind of described foliage fertilizer that improves the growth of acidic soil alfalfa seedlings is mixed by 1ml root growth liquid, 1ml mineral nutrient solution, 3ml organic nutrient solution and 995ml clear water, contains IAA in every liter of this foliage fertilizer: 4 μ mol / L, Zn: 1 mmol / L, Ca: 4 mmol / L, B: 1 mmol / L, succinic acid 60 μmol / L, citric acid: 60 μmol / L and isoflavones: 30 μmol / L.

[0020] Table 1 The growth status of alfalfa in Example 1

[0021]

Embodiment 2

[0023] Under the soil environment of pH 4.5, two treatments of the control and the foliar fertilizer were respectively set up, and the growth status of the alfalfa treated for 30 days is shown in Table 2.

[0024] The control treatment adopts clean water to spray alfalfa with an average plant height of 5cm, spraying once every 10 days, spraying 2 times in total, each spraying 1L / m 2 ;

[0025] Described a kind of foliage fertilizer that improves acidic soil alfalfa seedling growth is mixed by 1.5ml root growth liquid, 1.5ml mineral nutrient solution, 4ml organic nutrient solution and 993ml clear water, contains IAA in every liter of this foliage fertilizer: 6μmol / L, Zn: 1.5mmol / L, Ca: 6mmol / L, B: 1.5mmol / L, succinic acid 80μmol / L, citric acid: 80μmol / L and isoflavones: 40μmol / L.

[0026] Table 2 The alfalfa growth status of embodiment two

[0027]

Embodiment 3

[0029] Under the soil environment of pH 4.5, two treatments of the control and this foliar fertilizer were respectively set up, and the growth status of alfalfa after 30 days of treatment is shown in Table 3.

[0030] The control treatment adopts clean water to spray alfalfa with an average plant height of 5cm, spraying once every 10 days, spraying 2 times in total, each spraying 1L / m 2 ;

[0031] A kind of described foliage fertilizer that improves the growth of acidic soil alfalfa seedlings is mixed by 2ml root growth regulator solution, 2ml mineral nutrient solution, 5ml organic nutrient solution and 991ml clear water, contains IAA:8 μ mol in every liter of this growth regulator / L, Zn: 2mmol / L, Ca: 8mmol / L, B: 2mmol / L, succinic acid: 100 μmol / L, citric acid: 100 μmol / L, and isoflavones: 50 μmol / L.

[0032] Table 3 The growth status of alfalfa in Example 3

[0033]

[0034] A kind of foliage fertilizer that improves the growth of alfalfa seedlings in acidic soil involv...

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Abstract

The invention discloses a foliar fertilizer promoting alfalfa seedling growth in acidic soil. The foliar fertilizer is composed by mixing a root growth solution, a mineral nutrient solution, an organic nutrient solution and clear water. Each liter of the foliar fertilizer contains 1-2ml of the root growth solution, 1-2ml of a plant nutrient solution, 3-5ml of the organic nutrient solution, and the balance clear water. The foliar fertilizer of the invention can effectively promote the growth and development of alfalfa seedling roots in strongly acidic soil, protect root activity and cell structures, relieve alfalfa seedling poisoning, and promote alfalfa growth. In a soil environment with pH of 4.5, the foliar fertilizer of the invention is adopted to treat alfalfa which has an average plant height of 5cm. The foliar fertilizer is sprayed once every 10 days and 2 times in total. 1-2L / m<2> of the fertilizer is sprayed every time. After 30 days of treatment, the alfalfa root biomass is increased by 1.5-1.8 times compared with a control one (only spraying water), and the aboveground biomass is increased by 1.0-1.4 times compared with the control one.

Description

technical field [0001] The invention relates to a plant foliar fertilizer in the field of agricultural technology, in particular to a foliar fertilizer for improving the growth of alfalfa seedlings in acidic soil. Background technique [0002] The soil in the red soil area in southern my country generally presents strong acidity (pH<5.0), which inhibits the growth and development of the root system of alfalfa, passivates the root tips, shortens the root hairs, and reduces the nutrient absorption function, which in turn inhibits the growth of alfalfa, resulting in low alfalfa plants, Slow growth and very low yield have seriously restricted the cultivation of alfalfa in southern red loam areas. [0003] At present, there are relatively few research reports on promoting the growth of alfalfa in acidic soil, and there are no effective technical measures. After searching the literature of the prior art, it was found that Guo Yanjun and Huang Jianguo (2006) reported that adding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 安渊周鹏王生垠高小燕
Owner SHANGHAI JIAO TONG UNIV SUBEI RES INST
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