A soil amendment for grape growing

Abstract

The application relates to the technical field of soil improvement, and discloses a grape planting soil improvement agent, which is prepared from the following components in parts by weight: 50-80 parts of attapulgite, 30-40 parts of calcium-based bentonite, 10-15 parts of molasses, 5-8 parts of N-dodecyl ethanolamine, 10-15 parts of polybutene diacid, 10-15 parts of polyacrylate, and 50-80 parts of water. The grape planting soil improvement agent has the advantages that the salt resistance of the polyacrylate is good, the water retention of the mineral is good, and the action time of the microbial agent is long.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soil improvement, in particular, relates to a grape planting soil conditioner. BACKGROUND

[0002] Grape is one of the four major fruits in the world, and is an important fruit tree crop. Its planting area is extensive and is planted all over the world. Its plant root system is developed. With the continuous optimization of varieties, new technologies, new modes and new facilities are constantly updated and improved, and the grape industry in China is developing rapidly.

[0003] Hebei Province is one of the provinces with more saline-alkali soil. Hebei Province is located in the North China Plain and the Loess Plateau, with flat terrain, dry climate, insufficient rainfall, strong evaporation, and over-exploitation of land, combined with unreasonable agricultural production methods, resulting in large areas of land salinization in Hebei Province. According to statistics, the saline-alkali land area in Hebei Province accounts for about 10% of the total saline-alkali land area in China.

[0004] Grape has a developed root system and has certain requirements for soil, such as air permeability, water content, and pH value. Therefore, when planting grapes on saline-alkali soil, attention should be paid to planting patterns and some measures should be taken to adapt to the growth environment of saline-alkali soil. The high salt content and alkaline environment of saline-alkali soil can adversely affect the growth and development of grapes, resulting in reduced grape yield and quality.

[0005] At present, the soil structure improver used internationally mainly includes polyacrylate, mineral, and microbial agent. The mineral can exchange ions with sodium ions in saline-alkali soil, but the water retention needs to be improved. The water retention of polyacrylate is good, but the salt tolerance is poor. The activity of microbial agent is sensitive, and the action time is short. Therefore, it is necessary to develop a grape planting soil conditioner that can meet the growth of grapes in all aspects. SUMMARY

[0006] The present application provides a grape planting soil conditioner, which solves the problems of poor salt tolerance of polyacrylate, poor water retention of mineral, and short action time of microbial agent in the related art.

[0007] The technical scheme of the present application is as follows:

[0008] A grape planting soil conditioner, the raw materials include the following components by weight: 50-80 parts of attapulgite, 30-40 parts of calcium bentonite, 10-15 parts of molasses, 5-8 parts of N-dodecyl ethanolamine, 10-15 parts of polybutene diacid, 10-15 parts of polyacrylate, and 50-80 parts of water.

[0009] As a further technical scheme, the molasses includes sugarcane molasses or sugar beet molasses.

[0010] As a further technical solution, the molasses is sugarcane molasses.

[0011] As a further technical solution, the mass ratio of N-dodecyl ethanolamine to polyacrylate is 1:2.

[0012] As a further technical solution, the polyacrylate includes one or more of calcium polyacrylate, sodium polyacrylate, and potassium polyacrylate.

[0013] As a further technical solution, the polyacrylate is calcium polyacrylate.

[0014] As a further technical solution, the attapulgite has a particle size of 200 mesh.

[0015] As a further technical solution, the calcium-based bentonite has a particle size of 325 mesh.

[0016] As a further technical solution, the preparation method of the grape planting soil conditioner is mixing raw materials, granulating, and drying to obtain the soil conditioner.

[0017] As a further technical solution, the grape planting soil conditioner is applied to the soil at a dosage of 80-100 kg / acre.

[0018] The working principle and beneficial effects of the present application are as follows:

[0019] 1. The present application solves the problem of poor salt and alkali resistance of polyacrylate soil conditioners, which can meet the growth needs of grapes with high soil requirements. In the present application, the addition of N-dodecyl ethanolamine can improve the salt resistance of polyacrylate. In the present application, N-dodecyl ethanolamine not only acts as a conventional surfactant, but also stores potassium ions, improves the utilization rate of potassium ions, and additionally, the addition of N-dodecyl ethanolamine also improves the water solubility of the soil conditioner.

[0020] 2. The molasses in the present application can provide nutrients required for plant growth on the one hand, and can form a complex with N-dodecyl ethanolamine on the other hand, reducing the irritability. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] Example 1

[0023] A soil conditioner for grape planting, raw materials comprising the following components by weight: 50 parts of attapulgite, 30 parts of calcium bentonite, 10 parts of cane molasses, 5 parts of N-dodecyl ethanolamine, 10 parts of poly-maleic acid, 10 parts of calcium polyacrylate, 50 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed, granulated and dried to obtain the soil conditioner.

[0024] Example 2

[0025] A soil conditioner for grape planting, raw materials comprising the following components by weight: 80 parts of attapulgite, 40 parts of calcium bentonite, 15 parts of cane molasses, 8 parts of N-dodecyl ethanolamine, 15 parts of poly-maleic acid, 15 parts of calcium polyacrylate, 80 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed, granulated and dried to obtain the soil conditioner.

[0026] Example 3

[0027] A soil conditioner for grape planting, raw materials comprising the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of poly-maleic acid, 12 parts of calcium polyacrylate, 70 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed, granulated and dried to obtain the soil conditioner.

[0028] Example 4

[0029] A soil conditioner for grape planting, raw materials comprising the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 8 parts of N-dodecyl ethanolamine, 12 parts of poly-maleic acid, 10 parts of calcium polyacrylate, 70 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed, granulated and dried to obtain the soil conditioner.

[0030] Example 5

[0031] A soil conditioner for grape planting, raw materials comprising the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of poly-maleic acid, 12 parts of sodium polyacrylate, 70 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed, granulated and dried to obtain the soil conditioner.

[0032] Example 6

[0033] A grape planting soil conditioner, raw materials including the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of maleic acid, 12 parts of polyacrylic acid potassium, 70 parts of water; the particle size of attapulgite is 200 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed and granulated and dried to obtain the soil conditioner.

[0034] Example 7

[0035] A grape planting soil conditioner, raw materials including the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of maleic acid, 12 parts of polyacrylic acid calcium, 70 parts of water; the particle size of attapulgite is 325 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed and granulated and dried to obtain the soil conditioner.

[0036] Comparative Example 1

[0037] A grape planting soil conditioner, raw materials including the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of maleic acid, 12 parts of polyacrylic acid calcium, 70 parts of water; the particle size of attapulgite is 325 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed and granulated and dried to obtain the soil conditioner.

[0038] Comparative Example 2

[0039] A grape planting soil conditioner, raw materials including the following components by weight: 70 parts of attapulgite, 35 parts of calcium bentonite, 12 parts of cane molasses, 6 parts of N-dodecyl ethanolamine, 12 parts of maleic acid, 12 parts of polyacrylic acid calcium, 70 parts of water; the particle size of attapulgite is 325 mesh, the particle size of calcium bentonite is 325 mesh, the raw materials are mixed and granulated and dried to obtain the soil conditioner.

[0040] I. Saline-alkali soil test

[0041] The test soil is dried through a 2mm sieve, and the basic properties of the test soil are determined according to soil agro-chemical analysis, as shown in Table 1.

[0042] The soil pH is determined by a pH meter, and the soil-water ratio is 1:2.5;

[0043] The total salt content of the soil is determined by weight method, and the soil-water ratio is 1:5;

[0044] K + , Ca 2+ Determined by atomic absorption spectrophotometry;

[0045] Na + , Mg 2+Determination by flame photometry;

[0046] Determination by alkali diffusion method;

[0047] Determination by ammonium acetate-flame photometry method;

[0048] Determination by sodium bicarbonate extraction-molybdenum antimony color development method

[0049] Table 1 Physical and chemical properties and ion composition of the test soil

[0050]

[0051] The test soil and the modifier (according to a mass ratio of 1%) were mixed uniformly, and then were loaded into PVC soil columns with a height of 300 mm and a diameter of 110 mm at a layering interval of 5 cm, and 2 kg of soil was loaded into each soil column. According to the average annual rainfall in Shijiazhuang, Hebei Province, artificial rainfall was simulated, and 100 mm of pure water was leached every 7 days for 6 times. After the test, the physical and chemical properties of the soil were tested.

[0052] Table 2 Effects of the modifier of the examples and the comparative examples on the physical and chemical properties of the soil

[0053]

[0054] In the present application, the addition of N-dodecyl ethanolamine can improve the salt tolerance of polyacrylate. In Comparative Example 1, no N-dodecyl ethanolamine is added, and the soil conductivity and SAR of the improved soil are significantly increased compared with the soil modifier of Example 1. It is found that the ratio of N-dodecyl ethanolamine and polyacrylate is preferably controlled within the range of 1:2, and the pH value and conductivity will increase when the ratio exceeds this range. Furthermore, in the present application, calcium polyacrylate is preferably used in combination with N-dodecyl ethanolamine, and the repair effect of the soil modifier is better than that of other polyacrylates. In the present application, the particle size of the attapulgite is controlled. When the particle size of the attapulgite is too large, the adsorption of the soil modifier is not conducive, and the repair effect of the soil modifier is poor.

[0055] II. Planting test

[0056] In the test field of Hebei Forestry and Grassland Science Research Institute, a total of 50 wine grapes were randomly divided into 10 groups, and 1-9 groups were applied with the soil modifiers of Examples 1-7, Comparative Examples 1 and 2 of the present application. The soil modifier was applied in a strip shape at a horizontal distance of 50 cm from the grape root system, and the application depth was controlled below 40 cm, and the application amount was 100 kg per mu. Group 10 was applied with domestic compound fertilizer (15-15-15) at the same amount as the other groups. The test results are shown in Table 3.

[0057] Table 3 Effects of the soil modifier on grape fruits

[0058]

[0059] The above merely provides the preferred embodiments of the application, and is not intended to limit the application. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the application shall fall within the protection scope of the application.

Claims

1. A soil conditioner for grape cultivation, characterized in that, The raw materials include the following components by weight: attapulgite 50-80 parts, calcium-based bentonite 30-40 parts, molasses 10-15 parts, N-dodecylethanolamine 5-8 parts, polycisic acid 10-15 parts, polyacrylate 10-15 parts, and water 50-80 parts. The mass ratio of N-dodecylethanolamine to polyacrylate is 1:2; The polyacrylate is calcium polyacrylate; The particle size of the attapulgite clay is 200 mesh; The particle size of the calcium-based bentonite is 325 mesh.

2. The soil conditioner for grape cultivation according to claim 1, characterized in that, The molasses includes sugarcane molasses or beet molasses.

3. The soil conditioner for grape cultivation according to claim 2, characterized in that, The molasses is sugarcane molasses.

4. The method for preparing the grape cultivation soil conditioner according to any one of claims 1-3, characterized in that, The soil conditioner is obtained by mixing the raw materials, granulating and drying them.

5. The method of using the grape cultivation soil conditioner according to claim 1, characterized in that, Apply 80-100 kg / mu to the soil.

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