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Soil quality improving method via arbuscular mycorrhizal fungi and scented flowers

An arbuscular mycorrhizal fungus and soil technology, applied in the agricultural field, can solve problems such as reduced soil fertility, low organic carbon content, and impact on crop yields, and achieve the effects of improving soil quality, simple methods, and promoting sustainable development

Inactive Publication Date: 2017-07-07
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for improving soil quality by using arbuscular mycorrhizal fungi and flower residues, so as to solve the problem that the existing soil organic carbon content in the Loess Plateau is low, which leads to a decrease in soil fertility and affects crop yields

Method used

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  • Soil quality improving method via arbuscular mycorrhizal fungi and scented flowers
  • Soil quality improving method via arbuscular mycorrhizal fungi and scented flowers
  • Soil quality improving method via arbuscular mycorrhizal fungi and scented flowers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Propagation of arbuscular mycorrhizal fungi (AMF): use Glomus mosseae (Gm) for propagation, use 10cm×15cm plastic flowerpots for potted propagation, and soak and disinfect the flowerpots with 0.1% potassium permanganate solution , and rinse with running water. White clover was selected as the host plant, and the clover seeds were treated with 10% H 2 o 2 Soak for 5 minutes for surface disinfection, rinse with distilled water, soak the seeds for 24 hours for later use / place them on wet filter paper for 24 hours to germinate. Field soil was used as the culture substrate, and the "two-layer inoculation method" was used to inoculate, that is, a certain height of sterilized substrate was first placed in the test pot, and then a layer of inoculum (the inoculum containing spores and hyphae) was evenly sprinkled. soil and the root mixture of its host plant), about 10 g, followed by a layer of substrate, followed by an inoculant, a layer of substrate, on which the seeds a...

Embodiment 2

[0038] The composting treatment of embodiment 2-rose pomace, differs from embodiment step in that,

[0039] Rose dregs: The mass ratio of water is 1:2, the mass ratio of rose dregs to putrid agent is 10:2, and the moisture content is kept at 50%.

[0040] "Effect Test"

[0041] 1. Propagation effect: Table 1 shows the spore density and infection rate after the proliferation of arbuscular mycorrhizal fungi, indicating that the rot

[0042] Ripe rose slag infection rate is low.

[0043]

[0044] 2. Criteria for judging the maturity of biomass

[0045] 2.1 Qualitatively judge whether the biomass is decomposed, and the characteristics of decomposing are as follows:

[0046] (1) The temperature will naturally decrease in the later stage,

[0047] (2), no longer attract mosquitoes,

[0048] (3), there will be no more unpleasant smell,

[0049] (4) Due to the growth of fungi, there are white or off-white hyphae attached to the surface of the compost,

[0050] (5) The compos...

Embodiment 3

[0062] Example 3 - Returning decomposed rose residue to the field and inoculating with AMF.

[0063] (1) Collect field soil and pass it through a 2.5 mm sieve, then put it in a large oven and keep the temperature at 160 °C for 6 hours to obtain sterile soil; (2) Add mineralized and decomposed rose residue to the In sterile soil; (3) Inoculate the expanded AMF in sterile soil at a ratio of 0.05-0.1% according to the existing "two-layer inoculation method".

[0064] "Effect Test"

[0065] In this experiment, indoor pot experiments were used to study the effects of different treatments of rose residues combined with AMF on soil quality and whether inoculation of AMF was beneficial to increase the mineralization rate of decomposed rose residues.

[0066] 1. Explanation of test conditions: The test was carried out in a greenhouse. The test uses a plastic bucket with a height of 25cm, an upper diameter of 23cm, and a lower diameter of 18cm. The soil in the plow layer of the field...

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Abstract

The invention discloses a soil quality improving method via arbuscular mycorrhizal fungi and scented flowers to solve problems of soil fertility decrease and crop output reduction due to low soil organic carbon content of the loess plateau. The method comprises steps of first, expanding propagation of arbuscular mycorrhizal fungi, second, composting rose dregs; third, sieving field soil and performing high-temperature disinfecting to acquire sterile soil, and adding mineral substances to the soil to sterile soil according to a 1.5%-2% of mass proportion, and inoculating the expanded-propagation arbuscular mycorrhizal fungi to the sterile soil according to a proportion of 0.05 to 0.1%. Compared with a traditional rose dreg utilization, direct use of crude rose dregs is avoided and the rose dregs are composted and decomposed first, then arbuscular mycorrhizal fungi are inoculated during returning application; rose dreg minerlization in the soil is accelerated; and further the rose dreg utilization rate is improved.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a method for improving soil quality. Background technique [0002] The main soils of the Loess Plateau are all developed in the calcareous loess parent material, and its most important feature is the low organic carbon content, which in turn leads to a decrease in soil fertility, which is manifested in the ability of the soil to supply nutrients to crops, and the soil's arable, air-permeable, and water-permeable properties. decrease, thereby affecting the improvement of crop yields. [0003] After the essential oil of Rose Kushui is extracted, the residue of Rose Rose Kushui is very easy to get in the Loess Plateau area, and the yield is abundant, but the treatment and rational utilization of rose residues have not been well resolved. Contents of the invention [0004] The purpose of the present invention is to provide a method for improving soil quality by using arbuscu...

Claims

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Application Information

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IPC IPC(8): A01B79/02C05G1/00C05F17/00
CPCA01B79/02C05C9/00C05F17/00C05F11/00Y02W30/40
Inventor 熊友才李渝方任爱天祝英马金粉李盛玉罗尧泓
Owner LANZHOU UNIVERSITY
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