CN114287315B - Gardening nutrient soil produced by composting urban domestic sludge - Google Patents
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Abstract
The invention relates to the technical field of nutrient soil, and discloses gardening nutrient soil produced by composting urban domestic sludge, which is prepared from the following components: domestic sludge, perlite, vermiculite powder, bentonite, insecticide, active carbon, coconut tree powder, urea and soaked houttuynia cordata; the gardening nutrient soil produced by the urban domestic sludge compost produced by the invention is rich in nutrition, also contains a large amount of active ingredients, and can effectively promote the growth and development of gardening plants; meanwhile, a certain amount of insecticide is added, so that damage of pests to horticultural plants can be effectively prevented, the survival rate of cultivated horticultural plants is greatly improved, and the healthy growth of the horticultural plants is guaranteed.
Description
Technical Field
The invention relates to the technical field of nutrient soil, in particular to horticultural nutrient soil produced by composting urban domestic sludge.
Background
With the improvement of living standard, people develop own personal hobbies in a lot of time after working and living, home gardening is a hobbies of many people, and by planting flowers and plants, not only can beautify living environment of people, but also can appreciate pleasant mood of beautiful scenery. Most flowers and plants planted in home gardening are cultivated in a greenhouse by gardening companies, the growth habit of the plants is far less robust than that of the conventional landscaping plants, so that special planting substrates are generally needed when the flowers and plants in home gardening are planted, the planting substrates are compounded by multiple planting materials according to the growth characteristics of different plants, contain various nutrient elements required by plant growth, and are called nutrient soil.
The nutrient soil prepared in the prior art has higher cost and single nutrition, so the prior art needs to be further treated to improve the performance of the nutrient soil
With the development of socio-economy, the moisture content of wet sludge discharged by cities in China is estimated to reach 3000 million tons/year, and the treatment of domestic sludge becomes a bottleneck problem limiting the effective operation of urban domestic sludge treatment plants. The sludge contains rich nitrogen, phosphorus, potassium, organic matters and other plant essential nutrient elements, and has the precondition of resource utilization.
According to the invention, the domestic sludge is treated to a certain degree and is used as a raw material of the nutrient soil, so that the requirements of horticultural plants can be met, and the resource utilization rate can be improved.
Based on the above, we propose a method for producing gardening nutrient soil by using urban domestic sludge compost, and hope to solve the defects in the prior art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for producing gardening nutrient soil by using urban domestic sludge compost.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 120-150 parts of domestic sludge, 15-20 parts of perlite, 6-10 parts of vermiculite powder, 25-30 parts of bentonite, 1-2 parts of insecticide, 3-6 parts of activated carbon, 12-16 parts of coconut powder, 1-2 parts of urea and 3-5 parts of soaked houttuynia cordata.
As a further technical scheme: the stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at a rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
As a further technical scheme, the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
As a further technical scheme, the temperature in the thermostatic chamber is 28 ℃.
As a further technical scheme: the mixing mass ratio of the coptis chinensis powder to clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
As a further technical scheme: the preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
As a further technical scheme, the mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
As a further technical scheme, the pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
As a further technical scheme, the preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
As a further technical scheme, pitchstone is adopted as the perlite.
The modified domestic sludge obtained by mixing the paper-making sludge with the municipal domestic sludge, earthworm eggs and diatomite is rich in nutrition and also contains a large amount of active ingredients. The lignin mainly comprises 3 elements of carbon, hydrogen and oxygen, and is a natural phenolic polymer with a complex three-dimensional structure formed by phenyl propane compounds through ether bonds and carbon-carbon bonds.
(III) advantageous effects
Compared with the prior art, the invention provides the horticulture nutrient soil produced by the urban domestic sludge compost, which has the following beneficial effects:
the gardening nutrient soil produced by the urban domestic sludge compost produced by the invention is rich in nutrition, also contains a large amount of active ingredients, and can effectively promote the growth and development of gardening plants; meanwhile, a certain amount of insecticide is added, damage of pests to horticultural plants can be effectively prevented, the survival rate of cultivated horticultural plants is greatly improved, and the healthy growth of the horticultural plants is guaranteed.
Drawings
FIG. 1 is a graph showing the effect of different houttuynia cordata extract additions on chlorophyll content in rose leaves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A horticultural nutrient soil produced by composting urban domestic sludge is prepared from the following components in parts by weight: 120 parts of domestic sludge, 15 parts of perlite, 6 parts of vermiculite powder, 25 parts of bentonite, 1 part of pesticide, 3 parts of activated carbon, 12 parts of coconut tree powder, 1 part of urea and 3 parts of impregnated cordate houttuynia.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to the clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) Exposing the removed coconut tree peel in the sun for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
Example 2
A gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 150 parts of domestic sludge, 20 parts of perlite, 10 parts of vermiculite powder, 30 parts of bentonite, 2 parts of pesticide, 6 parts of activated carbon, 13 parts of coconut tree powder, 2 parts of urea and 5 parts of soaked houttuynia cordata.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the impregnated cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of the houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) Exposing the removed coconut tree peel in the sun for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
Example 3
A gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 132 parts of domestic sludge, 14 parts of perlite, 9 parts of vermiculite powder, 28 parts of bentonite, 1.2 parts of pesticide, 4 parts of activated carbon, 15 parts of coconut tree powder, 1.5 parts of urea and 4 parts of soaked houttuynia cordata.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at a rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
Example 4
A gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 140 parts of domestic sludge, 15 parts of perlite, 7 parts of vermiculite powder, 26 parts of bentonite, 1.8 parts of pesticide, 5 parts of activated carbon, 14 parts of coconut tree powder, 1.7 parts of urea and 5 parts of soaked houttuynia cordata.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment for 4 days to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to the clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
Example 5
A gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 150 parts of domestic sludge, 15 parts of perlite, 10 parts of vermiculite powder, 30 parts of bentonite, 1 part of pesticide, 5 parts of active carbon, 16 parts of coconut tree powder, 2 parts of urea and 3 parts of soaked houttuynia cordata.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of the houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the exposed coconut tree bark into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
Example 6
A gardening nutrient soil produced by urban domestic sludge compost is prepared from the following components in parts by weight: 150 parts of domestic sludge, 16 parts of perlite, 8 parts of vermiculite powder, 27 parts of bentonite, 1.5 parts of pesticide, 6 parts of activated carbon, 12 parts of coconut tree powder, 1.8 parts of urea and 4 parts of soaked houttuynia cordata.
The stacking modification treatment is carried out;
the stacking modification treatment method comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing.
The domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite are mixed according to the following weight parts: 200:0.02:8:3.
The temperature in the thermostatic chamber is 28 ℃.
The mixing mass ratio of the coptis chinensis powder to clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
The preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
The mass fraction of sodium citrate in the impregnation liquid is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
The pesticide adopts S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
The preparation method of the coconut tree powder comprises the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the coconut tree skin subjected to solarization into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
Pitchstone is adopted as the perlite.
The test was carried out with kumquat as the cultivated horticultural plant: the experimental method is characterized in that the experimental method and the comparative example nutrient soil are respectively adopted for testing, and each group of daily planting comprises the following steps of ploughing, field planting, weeding, fertilizer and water management, pruning, pest control, flower and fruit management and the like:
TABLE 1
Comparative example 1: the difference from the embodiment 1 is that the domestic sludge is not subjected to modification treatment;
comparative example 2: the difference from example 1 is that no coconut powder is added;
comparative example 3: the application number is CN 201811475271.7;
as can be seen from Table 1, the horticultural nutrient soil prepared by the invention can increase the weight of a single fruit of cumquat by introducing a certain amount of coconut powder.
Further experiments, comparison:
TABLE 2
| Fruit shape | |
| Example 1 | Right and oval shape |
| Example 2 | Right and oval shape |
| Example 3 | Right and oval shape |
| Example 4 | Right and oval shape |
| Example 5 | Right and oval shape |
| Example 6 | Right and oval shape |
| Comparative example 1 | 4% of malformed fruits |
| Comparative example 2 | Has 1% of malformed fruits |
| Comparative example 3 | Has malformed fruit content of 10% |
Comparative example 1: the difference from the embodiment 1 is that the domestic sludge is not subjected to modification treatment;
comparative example 2: the difference from example 1 is that no coconut powder is added;
comparative example 3: the application number is CN 201811475271.7;
as can be seen from Table 2, the adoption of the horticultural nutrient soil provided by the invention can effectively reduce the malformed fruit rate of cumquats, and is mainly realized through specific modification treatment on domestic sludge.
Further experiments, comparison:
TABLE 3
| Color | |
| Example 1 | Golden yellow, the coloring area is more than 96 percent |
| Example 2 | Golden yellow, coloring area is more than 95% |
| Example 3 | Golden yellow, the coloring area is more than 97 percent |
| Example 4 | Golden yellow, the coloring area is more than 96 percent |
| Example 5 | Golden yellow, the coloring area is more than 96 percent |
| Example 6 | Golden yellow, the coloring area is more than 97 percent |
As can be seen from Table 3, the horticultural nutrient soil provided by the invention can improve the color and luster of kumquat fruits, the coloring area is large, the color and luster are uniform and bright, and the appearance quality of kumquats is greatly improved.
Based on the sample of example 1, the effect of the addition of the different coconut powder in parts by weight on the weight of the cumquat single fruit was compared.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The gardening nutrient soil produced by urban domestic sludge compost is characterized by being prepared from the following components in parts by weight: 120-150 parts of domestic sludge, 15-20 parts of perlite, 6-10 parts of vermiculite powder, 25-30 parts of bentonite, 1-2 parts of insecticide, 3-6 parts of activated carbon, 12-16 parts of coconut powder, 1-2 parts of urea and 3-5 parts of soaked houttuynia cordata;
the components are subjected to stacking modification treatment to obtain the municipal domestic sludge compost horticultural nutrient soil, and the method for the stacking modification treatment comprises the following steps:
(1) Sequentially adding the domestic sludge, the earthworm eggs, the paper-making sludge and the diatomite into a mixing stirrer, stirring at the rotating speed of 500r/min for 2 hours, and standing for 1 hour to obtain mixed sludge;
(2) Transferring the obtained mixed sludge into a thermostatic chamber for stacking treatment, wherein the stacking treatment time is 4 days, so as to obtain stacked sludge;
(3) Adding the obtained stacked sludge into a mixing stirrer again, stirring at the rotating speed of 100r/min for 30min, and standing;
(4) Pulverizing Coptidis rhizoma, adding into clear water, and stirring for 50min to obtain Coptidis rhizoma water;
(5) Adding Coptidis rhizoma water into the stacked sludge, stirring for 30min, air drying in shade, and pulverizing;
the preparation method of the soaked cordate houttuynia comprises the following steps:
(1) Firstly, cutting fresh houttuynia cordata into small sections to obtain small sections of houttuynia cordata;
(2) Sequentially adding sodium citrate and sodium hydroxide into clear water to prepare a steeping fluid;
(3) Adding herba Houttuyniae fragments into the soaking solution, adjusting temperature to 35 deg.C, stirring for 40min, adjusting temperature to 30 deg.C, standing for 5 hr, filtering, washing with clear water, and air drying.
2. The municipal domestic sludge compost produced horticultural nutrient soil as claimed in claim 1, wherein the mixture of the domestic sludge, the earthworm eggs, the paper sludge and the diatomite in parts by weight is: 200:0.02:8:3.
3. The soil for producing horticulture nutrition through urban domestic sludge composting according to claim 1, wherein the temperature in said constant temperature chamber is 28 ℃.
4. The municipal domestic sludge compost produced horticultural nutrient soil of claim 1, wherein: the mixing mass ratio of the coptis chinensis powder to the clear water is 1;
the mass ratio of sludge mixed in the coptis chinensis water bath is 1.
5. The soil for producing horticulture nutrition by composting urban domestic sludge according to claim 1, wherein the mass fraction of sodium citrate in the steeping liquor is 5.5%;
the mass fraction of sodium hydroxide in the impregnation liquid is 2.8%;
the mixing mass ratio of the crushed sections of the houttuynia cordata to the steeping liquor is 1.
6. The soil for cultivating and cultivating living sludge as claimed in claim 1, wherein said pesticide is S, S' - [2- (dimethylamino) -1,3-propylene ] bis (thiocarbamate).
7. The municipal domestic sludge compost produced horticultural nutrient soil of claim 1, wherein the coconut tree powder is prepared by the following steps:
(1) Removing coconut bark from coconut tree;
(2) The removed coconut tree skin is firstly placed in the sun and solarized for 3 days;
(3) And adding the coconut tree skin subjected to solarization into a grinder for grinding, and sieving by a 80-mesh sieve to obtain the coconut tree powder.
8. The soil for producing horticulture nutrition from municipal domestic sludge compost according to claim 1, wherein pitchstone is used as said perlite.
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