Disclosure of Invention
The invention aims to provide an inhibitor and a method for inhibiting the escape of cow dung ammonia in a cowshed, so as to solve the problems in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an inhibitor and a method for inhibiting the escape of cow dung ammonia in a cowshed are characterized in that: the composite material consists of the following raw materials in parts by mass: 35-45 parts of plant extract, 25-30 parts of bacillus, 15-20 parts of actinomycetes, 8-10 parts of lactic acid bacteria, 6-8 parts of cyanobacteria, 4-8 parts of yeast powder, 2-4 parts of acetobacter, 10-12 parts of nitrobacteria culture medium, 20-25 parts of alum, 20-25 parts of potassium dihydrogen phosphate and 600 parts of water 400-.
Further, the plant extract is an extract of Terminalia catappa leaves.
Further, the nitrobacteria culture medium comprises distilled water, peptone, sodium chloride 1 and yeast extract.
Further, the extraction method of the Terminalia catappa leaf extract comprises the following steps:
s1, screening Terminalia catappa leaf plants, selecting plants with regular germination, large density, the number of buds and leaves in a unit area and consistent bud and leaf maturity as Terminalia catappa leaf picking plants in 4 and 5 months each year;
s2, fence protection, namely picking the olive kernel leaves to plant for fence protection;
s3, picking up the olive kernel leaves, collecting the olive kernel leaves after the dry leaves of the olive kernel leaves naturally fall off a mother tree, naturally drying the olive kernel leaves in the air, and cutting the leaves;
s4, soaking crushed leaves, weighing 150 g of the Terminalia catappa leaf fragments obtained in the step S3, adding 10-15L of water, and soaking for 3-5 days;
s5, preparing the terminalia leaf extract, filtering the terminalia leaf in the step S4 by using a filter screen, further kneading, extracting for 2-5 times by using 20-80% ethanol, combining the extracting solutions, concentrating and drying.
Further, the preparation method of the nitrobacteria culture medium comprises the following steps:
l1, adding 10-20 g of peptone, 10-20 g of sodium chloride and 5-10 g of yeast extract into per liter of distilled water, putting into a stirrer, stirring for 20-35min, and controlling the temperature at 28-30 ℃;
and L2, adjusting the pH value of the solution obtained in the step L1 to 7 by using sodium hydroxide, sterilizing, adding the nitrifying bacteria mother solution in an aseptic operation, and carrying out shake culture at room temperature for 3-4 days.
Further, the method for inhibiting the escape of cow dung ammonia in the cowshed comprises the steps of collecting the cow dung scattered in the cowshed, and mixing the solution obtained in the step 1: 150, filling the diluted solution into a spraying device, spraying the cow dung at intervals of 6-7 days for 3-5 times every day, and stirring the cow dung during spraying.
Compared with the prior art, the invention has the beneficial effects that:
1. terminalia catappa leaves used in the invention are leaves of common tree species in the south, the rangooncreeper is used as a common street greening tree species, the common tree species can widely grow in the city of province in the south, fallen leaves are easy to obtain and the cost is extremely low, nitrobacteria are used as the strains of the traditional aquarium cleaning tank and are widely bought and sold in the market, the cultivation is simple, the cultivation cost is low, the cultivation period is extremely short, potassium dihydrogen phosphate is the most widely used agricultural fertilizer in agriculture, the price is extremely low, potassium dihydrogen phosphate is generally sold in the market at 5 yuan to 40 yuan per kilogram according to different qualities, and compared with the traditional ammonia removal agents such as urease inhibitor, activated carbon, ferrous sulfate and the like, the cost is lower.
2. Terminalia leaves are used as common fallen leaves of trees and are very easy to degrade in the natural environment, nitrobacteria are used as microorganisms commonly existing in nature and widely exist in soil and water body environment, and do not have toxic action on human and livestock, monopotassium phosphate is one of the most commonly used fertilizers, and human uses the fertilizer for more than one hundred years, so that the safety of the fertilizer is self-evident, and the pesticide can also increase the fertilizer efficiency of cow dung.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the following examples:
example 1
An inhibitor for inhibiting the dissipation of cow dung ammonia in a cowshed is characterized in that: the composite material consists of the following raw materials in parts by mass: 35 parts of plant extract, 25 parts of bacillus, 15 parts of actinomycetes, 8 parts of lactic acid bacteria, 6 parts of cyanobacteria, 4 parts of yeast powder, 2 parts of acetobacter, 10 parts of nitrobacteria culture medium, 20 parts of alum, 20 parts of monopotassium phosphate and 400 parts of water, wherein the plant extract is an extract of terminalia leaves.
The extraction method of the Terminalia catappa leaf extract comprises the following steps:
s1, screening Terminalia catappa leaf plants, selecting plants with regular germination, large density, the number of buds and leaves in a unit area and consistent bud and leaf maturity as Terminalia catappa leaf picking plants in 4 and 5 months each year;
s2, fence protection, namely picking the olive kernel leaves to plant for fence protection;
s3, picking up the olive kernel leaves, collecting the olive kernel leaves after the dry leaves of the olive kernel leaves naturally fall off a mother tree, naturally drying the olive kernel leaves in the air, and cutting the leaves;
s4, soaking crushed leaves, weighing 150 g of the Terminalia catappa leaf fragments obtained in the step S3, adding 10-15L of water, and soaking for 3-5 days;
s5, preparing the terminalia leaf extract, filtering the terminalia leaf in the step S4 by using a filter screen, further kneading, extracting for 2-5 times by using 20-80% ethanol, combining the extracting solutions, concentrating and drying.
The nitrobacteria culture medium comprises distilled water, peptone, sodium chloride 1 and yeast extract, and the preparation method of the nitrobacteria culture medium comprises the following steps:
l1, adding 10-20 g of peptone, 10-20 g of sodium chloride and 5-10 g of yeast extract into per liter of distilled water, putting into a stirrer, stirring for 20-35min, and controlling the temperature at 28-30 ℃;
and L2, adjusting the pH value of the solution obtained in the step L1 to 7 by using sodium hydroxide, sterilizing, adding the nitrifying bacteria mother solution in an aseptic operation, and carrying out shake culture at room temperature for 3-4 days.
A method for inhibiting the escape of cow dung ammonia in a cowshed comprises the steps of collecting cow dung scattered in the cowshed, and mixing the solution obtained in the steps according to a ratio of 1: 150, filling the diluted solution into a spraying device, spraying the cow dung at intervals of 6-7 days for 3-5 times every day, and stirring the cow dung during spraying.
Example 2
An inhibitor for inhibiting the dissipation of cow dung ammonia in a cowshed is characterized in that: the composite material consists of the following raw materials in parts by mass: 45 parts of plant extract, 30 parts of bacillus, 20 parts of actinomycetes, 10 parts of lactic acid bacteria, 8 parts of cyanobacteria, 8 parts of yeast powder, 4 parts of acetobacter, 12 parts of nitrobacteria culture medium, 25 parts of alum, 25 parts of potassium dihydrogen phosphate and 600 parts of water.
The extraction method of the Terminalia catappa leaf extract comprises the following steps:
s1, screening Terminalia catappa leaf plants, selecting plants with regular germination, large density, the number of buds and leaves in a unit area and consistent bud and leaf maturity as Terminalia catappa leaf picking plants in 4 and 5 months each year;
s2, fence protection, namely picking the olive kernel leaves to plant for fence protection;
s3, picking up the olive kernel leaves, collecting the olive kernel leaves after the dry leaves of the olive kernel leaves naturally fall off a mother tree, naturally drying the olive kernel leaves in the air, and cutting the leaves;
s4, soaking crushed leaves, weighing 150 g of the Terminalia catappa leaf fragments obtained in the step S3, adding 10-15L of water, and soaking for 3-5 days;
s5, preparing the terminalia leaf extract, filtering the terminalia leaf in the step S4 by using a filter screen, further kneading, extracting for 2-5 times by using 20-80% ethanol, combining the extracting solutions, concentrating and drying.
The nitrobacteria culture medium comprises distilled water, peptone, sodium chloride 1 and yeast extract, and the preparation method of the nitrobacteria culture medium comprises the following steps:
l1, adding 10-20 g of peptone, 10-20 g of sodium chloride and 5-10 g of yeast extract into per liter of distilled water, putting into a stirrer, stirring for 20-35min, and controlling the temperature at 28-30 ℃;
and L2, adjusting the pH value of the solution obtained in the step L1 to 7 by using sodium hydroxide, sterilizing, adding the nitrifying bacteria mother solution in an aseptic operation, and carrying out shake culture at room temperature for 3-4 days.
A method for inhibiting the escape of cow dung ammonia in a cowshed comprises the steps of collecting cow dung scattered in the cowshed, and mixing the solution obtained in the steps according to a ratio of 1: 150, filling the diluted solution into a spraying device, spraying the cow dung at intervals of 6-7 days for 3-5 times every day, and stirring the cow dung during spraying.
To demonstrate the effectiveness of this technique, experiments were conducted as follows: the fresh cow dung-urine mixture was divided into three groups of 4 replicates, each: the system comprises a non-treatment group, a NBPT urease inhibitor group and a novel medicament group, wherein each group repeatedly weighs 300 g of a mixture of excrement and urine, 200 ml of water is added into the non-treatment group, 200 ml of water and two g of urease inhibitor NBPT are added into the urease inhibitor group according to a literature method to simulate the use of an ammonia volatilization instrument by the inventor, 200 ml of medicament is added into the novel medicament group, an ammonia volatilization detector is used for continuously tracking and measuring data for 7 days, and the experimental result is as follows:
TABLE 1
As can be seen from Table 1: compared with a non-treatment group, the novel medicament group has remarkable effect, the ammonia volatilization amount is almost inhibited by 90% in the first day, the inhibition effect is slowly reduced in the later six days, but the ammonia volatilization amount is also inhibited by 30% even in the seventh day, and compared with a urease inhibitor, the effect in the first six days is basically the same as that in the seventh day, and the effect in the first six days is even remarkably superior to that in the urease inhibitor.