CN110484273B - Growth regulation type conditioner special for citrus orchard acid soil, preparation method and application - Google Patents
Growth regulation type conditioner special for citrus orchard acid soil, preparation method and application Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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Abstract
The invention discloses a growth regulation type conditioner special for citrus orchard acid soil, a preparation method and application. The soil conditioner consists of a quick-acting acid-improving substance, a slow-acting acid-improving substance, a root-promoting substance, a secondary element magnesium, a trace element boron and a trace element zinc; the mass ratio of the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the medium element magnesium, the trace element boron and the trace element zinc is (0.4-0.8): (0.05-0.1): (0.1-0.2): (0.02-0.04) and (0.005-0.01). The soil conditioner provided by the invention has the outstanding advantages of improving the pH value of soil, correcting the citrus nutrient deficiency yellowing, preventing nutrient soil from being fixed, promoting the growth of citrus roots, improving the quality of citrus fruits and the like.
Description
Technical Field
The invention relates to the technical field of fertilizer processing, and in particular relates to a growth-regulating type conditioner special for citrus orchard acid soil, a preparation method and application.
Background
The pH values of red soil and yellow soil widely distributed in the south China and the south China citrus production areas are mostly between 4.5 and 5.5, but the pH value of the soil most suitable for the growth of citrus is 5.5 to 6.5, the soil is intensified in acid bias and aluminum toxicity, the exchangeable basic nutrient ions are lack, and the absorption efficiency of citrus root systems to soil nutrients is seriously influenced. Lime application in citrus cultivation can alleviate the degree of soil acidification, but is generally not acceptable because powdered lime is very inconvenient to apply. In addition, the citrus orchard is also commonly lack of medium and trace elements, such as magnesium, boron, zinc and other elements, which seriously restrict the improvement of the yield and the quality of citrus. A large amount of element fertilizers are abused in part of citrus gardens, but supplement and attention to trace elements in soil is insufficient, and the phenomenon of element deficiency of citrus trees is common. Even though some orchard operators recognize the short boards with insufficient medium and trace elements, the application of the medium and trace elements is blind, and the problems of improper selection of nutrient element types, unreasonable proportion, unscientific application method and the like are prominent. The existing medium-trace element fertilizers in the market are various in types, poor in pertinence and difficult to select, the problem that the citrus orchard soil is acid-biased is difficult to solve, and the fertilizer efficiency in the soil is poor.
Disclosure of Invention
The invention provides a growth regulation type conditioner special for acidic soil in a citrus orchard, a preparation method and application thereof, and the method overcomes the defects that the yield and the quality of citrus cannot be effectively improved due to inappropriate selection of trace element fertilizer types, unreasonable proportion, unscientific application method and the like in the conventional citrus orchard.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a special growth regulation type conditioner for acid soil of a citrus orchard, which consists of a quick-acting acid-modifying substance, a slow-acting acid-modifying substance, a root-promoting substance, a medium element magnesium, a trace element boron and a trace element zinc; the mass ratio of the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the medium element magnesium, the trace element boron and the trace element zinc is (0.4-0.8): (0.05-0.1): (0.1-0.2): (0.02-0.04) and (0.005-0.01).
The invention also provides a preparation method of the special growth regulation type conditioner for the acidic soil of the citrus orchard, which comprises the following steps: mixing the quick-acting acid-modifying substance, slow-acting acid-modifying substance, root-promoting substance, magnesium-containing substance, boron-containing substance and zinc-containing substance, and granulating.
The invention also provides application of the special growth regulation type conditioner for the citrus orchard acid soil prepared by the preparation method in the repair of the citrus orchard acid soil,
preferably, the special conditioner for the growth-regulated citrus orchard acid soil is used for repairing the citrus orchard acid soil in south China and southwest China.
The invention has the beneficial effects that:
according to the growth regulation type special conditioner for the acidic soil of the citrus orchard, the preparation method and the application, aiming at the problem of acid bias of the soil, the pH value of the soil is quickly increased by utilizing the quick-acting acid-modifying substance, and the pH value of the soil can be kept within a relatively stable range for a long time by utilizing the slow-acting acid-modifying substance, so that a good growth environment is provided for a plant root system; aiming at the condition of poor development of plant root systems, root growth is promoted by using root growth promoting substances, and a good root system form is constructed; aiming at the problem of unscientific nutrient matching, a scientific and reasonable medium-trace element proportion is constructed; therefore, the acid soil conditioner starts from the aspects of adjusting soil acidity, promoting root growth, scientifically proportioning elements and the like, comprehensively constructs a soil nutrient environment beneficial to citrus growth, and achieves the effects of acid soil improvement and medium and trace element supplement and superposition, thereby improving the yield and quality of citrus.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The following specifically explains the growth-regulating type conditioner special for acidic soil in citrus orchard, and a preparation method and application thereof, which are provided by the embodiment of the invention.
The embodiment of the invention provides a growth regulation type special conditioner for acidic soil of citrus orchard, which consists of a quick-acting acid-modifying substance, a slow-acting acid-modifying substance, a root-promoting substance, a medium element magnesium, a trace element boron and a trace element zinc; the mass ratio of the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the medium element magnesium, the trace element boron and the trace element zinc is (0.4-0.8): (0.05-0.1): (0.1-0.2): (0.02-0.04) and (0.005-0.01).
The embodiment of the invention provides a growth regulation type special conditioner for acidic soil in a citrus orchard, which consists of a quick-acting acid-modifying substance, a slow-acting acid-modifying substance, a root-promoting substance, a medium element magnesium, a trace element boron and a trace element zinc. Specifically, the method comprises the following steps:
hydroxyl contained in the quick-acting acid-modifying substance can quickly release free acid in the neutralized soil, and the pH value of the soil is quickly increased; basic groups in the slow-acting acid-modifying substance are mostly carbonate, the chemical reaction process with free acid in soil is slow, the free acid in acid soil can be kept at a low level for a long time, and the pH value of the soil is kept in a relatively balanced state, which is an advantage that similar products do not have.
The citrus has the luxury absorption characteristic on various nutrients, but the metabolism of various nutrients is in a certain proportion, the growth and metabolism disorder is directly caused by the inconsistent proportion of external nutrient elements, and the fruit quality is reduced. Magnesium, boron and zinc are essential medium and trace elements of oranges which are relatively lacked in acid soil in south China, magnesium is a key element for chlorophyll formation, boron plays an important role in flower formation and carbohydrate transport, zinc is an important component and an activator of various enzymes in plants, and due to functional difference, the metabolism ratios of the oranges to the 3 elements are also obviously different. The citrus has the largest demand on magnesium, the lowest boron and the lowest zinc, and the mass ratio of magnesium, boron and zinc is determined to be better in the range determined by the special conditioner for the acid soil in the growth regulation type citrus orchard provided by the embodiment of the invention through developing field tests, the nutrient metabolism of the citrus is more balanced, and the growth of fruit trees can be remarkably promoted.
Therefore, aiming at the defects of the existing soil conditioner and medium trace element fertilizer, the inventor obtains a fertilizer formula which is most beneficial to the growth of the oranges and is scientific and reasonable through field experiments from the aspects of special use of the oranges, acid modification of the soil, growth promotion, scientific formula and the like, can greatly promote the growth of the root systems of the oranges and improve the nutrient absorption efficiency of the oranges, and can achieve the aim of improving the yield and the quality of the oranges. The special growth regulation type conditioner for the acidic soil in the citrus orchard, provided by the embodiment of the invention, has a good application effect and a simple application mode, and the problems of soil acidification and lack of medium and trace elements can be solved only by applying the product. Meanwhile, the soil conditioner provided by the embodiment of the invention also has the function of growth promoter, and after the product is applied, medium and trace element fertilizers of other categories can not be applied, so that multiple effects are integrated, the labor cost of multiple fertilization of citrus is reduced, and the soil conditioner has a wide application prospect.
In order to improve the stability and the fertilizer efficiency of the special micro-fertilizer for the acid soil of the growth-controlled citrus orchard, preferably, the quick-acting acid-modifying substance comprises one or a plurality of combinations of hydrated lime, soda lime and caustic sludge in any proportion. More preferably, when the quick-acting acid-modifying substance is used in combination, the hydrated lime and the soda lime are preferably combined, and the hydrated lime and the soda lime are combined and used in a mass ratio of 1 (0.5-0.8); the slaked lime component is about 100 percent of calcium hydroxide, the soda lime component is about 75 percent of calcium hydroxide, 3 percent of sodium hydroxide, 1 percent of potassium hydroxide and 20 percent of water, the equivalent of slaked lime neutralizing acid is higher than that of the soda lime under the equal application, the 3 percent of sodium hydroxide and 1 percent of potassium hydroxide in the soda lime have strong alkalinity, high efficiency and strong corrosiveness, the comprehensive comparison is superior to the equivalent of the neutralizing acid, and the ratio of the slaked lime in the formula is slightly higher. The mass ratio of the hydrated lime to the caustic sludge is 1 (0.5-0.8); the alkaline residue adopted in the embodiment of the invention is mainly a mixture of calcium hydroxide and calcium carbonate, and the proportion of the alkaline residue in the formula is small so as to improve the equivalent of neutralizing acid.
Preferably, the slow-acting acid-modifying substance comprises one or more of dolomite powder, limestone powder and heavy calcium carbonate in any proportion. More preferably, when the slow-acting acid-modifying substances are used in combination, the dolomite powder and the heavy calcium carbonate are used in combination according to the mass ratio of 1 (0.5-1.0); the dolomite powder and the limestone powder are used in combination according to the mass ratio of 1 (0.5-1.0); the heavy calcium carbonate and the limestone powder are used in combination according to the mass ratio of 1 (0.5-1.5).
The special conditioner for the acid soil of the growth regulation type citrus orchard provided by the embodiment of the invention comprises two types of acid-modifying substances, namely a quick-acting acid-modifying substance and a slow-acting acid-modifying substance, wherein the quick-acting acid-modifying substance is used for quickly improving the pH value of the soil, and the slow-acting acid-modifying substance is used for keeping the pH value of the soil within a relatively stable range for a long time, so that a good growth environment is provided for a plant root system, an optimal case is an effective, convenient-to-obtain and low-price raw material product, and a more optimal case is a case of combining multiple materials for enhancing the adaptability of the acid soil conditioner product provided by the embodiment of the invention to multiple types of soil.
Preferably, the root-promoting substance comprises one or a combination of a plurality of kinds of algin, humic acid, fulvic acid and fish protein in any proportion. More preferably, when the root promoting substances are used in combination, the algin and the humic acid are mixed in a mass ratio of 1 (0.5-1.5); further preferably, the algin, the humic acid, the fulvic acid and the fish protein in the root-promoting substance are mixed and used according to the mass ratio of 2:2:1: 1.
The growth regulation type special conditioner for the acidic soil of the citrus orchard, provided by the embodiment of the invention, comprises root-promoting substances, wherein the preferable case of the root-promoting substances is a plant growth-promoting raw material product with high acceptance in the field of industry, and more preferably, when a plurality of materials are combined for use, the matching principle is that the materials with amino acid groups are matched with the materials of biostimulant according to different functionalities of different types of substances, the amino acid substances can be directly absorbed by a root system to provide organic nutrition for the root system, the biostimulant substances can stimulate the growth and development of the cells of the root system, and the matching ratio of the two types of substances has a remarkable root-promoting effect through field experiments.
Preferably, the magnesium-containing substance is one of magnesium sulfate, potassium magnesium sulfate, calcium magnesium phosphate, magnesium sulfite and magnesium chloride or a combination of multiple magnesium sulfate, potassium magnesium sulfate, calcium magnesium phosphate, magnesium sulfite and magnesium chloride in any proportion. More preferably, when the magnesium element-containing substance is used in combination, magnesium sulfate and potassium magnesium sulfate are mixed in a mass ratio of 1 (0.5-1.0); mixing magnesium sulfate and magnesium chloride in a mass ratio of 1 (0.2-0.8); mixing magnesium sulfate and calcium magnesium phosphate fertilizer according to the mass ratio of 1 (0.5-1.0); mixing potassium magnesium sulfate with magnesium sulfite 1 (0.2-0.6); more preferably, magnesium sulfate, potassium magnesium sulfate, magnesium chloride, calcium magnesium phosphate and magnesium sulfite, which are substances containing magnesium, are mixed in a mass ratio of 2:2:2:1:1 when used.
Preferably, the substance containing boron is one or a combination of borax, boric acid and boron-magnesium fertilizer in any proportion. More preferably, when the substances containing boron are used in combination, borax and boric acid are mixed in a mass ratio of 1 (0.5-1); mixing borax and boron magnesium fertilizer in a mass ratio of 1 (0.5-1); further preferably, when the boron-containing substances borax, boric acid and boron-magnesium fertilizer are all used, the boron-containing substances borax, boric acid and boron-magnesium fertilizer are mixed and used according to the mass ratio of 2:2: 1.
Preferably, the zinc element-containing substance is one of zinc sulfate, zinc phosphate, zinc chloride and basic zinc carbonate or a combination of zinc sulfate, zinc phosphate, zinc chloride and basic zinc carbonate in any proportion. More preferably, when the substances containing zinc elements are used in combination, zinc sulfate and zinc chloride are mixed in a mass ratio of 1 (0.2-1.0); mixing zinc sulfate and zinc phosphate according to the mass ratio of 1 (0.2-0.6); mixing zinc chloride and basic zinc carbonate in a mass ratio of 1 (0.2-0.5); more preferably, when zinc sulfate, zinc chloride, zinc phosphate and basic zinc carbonate, which are zinc-containing substances, are used, they are mixed at a mass ratio of 2:2:1: 1.
The growth regulation type conditioner special for the acidic soil of the citrus orchard, provided by the embodiment of the invention, comprises medium trace elements, and is preferably a material which has a good application effect and is widely applied in agricultural production in raw material substances containing magnesium, boron and zinc elements, more preferably a combination of multiple materials and a proportion thereof, wherein the combination and proportion of the multiple materials mainly give consideration to the high and low biological effectiveness of the magnesium, boron and zinc elements in the raw materials in the soil, the high biological effectiveness can be matched and used in equal proportion, and the material with the low biological effectiveness is matched and used with the material with the high biological effectiveness to achieve the effect of prolonging the fertilizer efficiency.
In order to obtain the optimal matching proportion of magnesium, boron and zinc elements, the nutrient content of the tree body tissues of 24 citrus orchard trees counted in three county areas is analyzed in the early stage test, the average content of the magnesium, boron and zinc elements is obtained, and the proportion of the magnesium, boron and zinc elements in the tree body is calculated to be about 1:0.4: 0.1. The nutrient content in the plant body is in positive correlation with the nutrient content in the soil, and the content of magnesium, boron and zinc in the soil in each place has certain variation, so that the proportion of magnesium, boron and zinc in the product of the embodiment of the invention is determined to be (0.1-0.2): (0.02-0.04) and (0.005-0.01). Therefore, the product of the embodiment of the invention is highly consistent with the nutritional requirement characteristics of the citrus in terms of the proportion of the nutritional elements, and has strong inherent scientificity.
The embodiment of the invention also provides a preparation method of the special conditioner for the acid soil of the growth regulation type citrus orchard, which comprises the following steps: mixing the quick-acting acid-modifying substance, slow-acting acid-modifying substance, root-promoting substance, magnesium-containing substance, boron-containing substance and zinc-containing substance, and granulating.
Specifically, the preparation method of the growth-regulating type special conditioner for the acidic soil in the citrus orchard comprises the following steps:
(1) mixing a quick-acting acid-modifying substance, a slow-acting acid-modifying substance, a root-promoting substance and substances containing magnesium, boron and zinc according to a preset proportion, and placing the mixture in a granulator for granulation;
(2) and spraying a granulation bonding substance solution in a granulator for granulation, wherein the effective components are released too fast when the granulation particle size is too small, and are difficult to uniformly disperse in the soil when the particle size is too large, so that the particle size of the conditioner particles is within the range of 2-4 mm through screening, and the whole particles are the special conditioner for the growth-regulated citrus orchard acid soil.
Preferably, the granulation bonding substance is sodium silicate solution, more preferably, the mass concentration of the sodium silicate solution is 2-5%, and the addition amount is 0.5-1% of the total amount of the raw materials.
The special conditioner for the acid soil in the growth regulation type citrus orchard, which is prepared by the method, can fully wrap quick-acting acid-modifying substances, slow-acting acid-modifying substances, growth promoting substances and nutrient elements in conditioner particles, so that the waste rate is reduced, the utilization rate and the forming rate of raw materials are improved, and the optimal application effect of the acid soil conditioner is achieved.
The invention also provides an application of the special conditioner for the growth-regulated citrus orchard acid soil, the soil conditioner is used for repairing the citrus orchard acid soil, and preferably, the special conditioner for the growth-regulated citrus orchard acid soil is used for repairing the citrus orchard acid soil in south China and south China.
The embodiment of the invention provides a special conditioner for acidic soil in a growth regulation type citrus orchard, which has the advantages of proper nutrient element types and reasonable proportion, the prepared acidic soil conditioner achieves the effects of improving acidic soil and supplementing and superposing medium and trace elements, and the special conditioner for acidic soil in a growth regulation type citrus orchard has the outstanding advantages of improving the pH value of soil, correcting the lack-of-element yellowing of citrus, preventing the fixation of nutrient soil, promoting the growth of citrus roots, improving the quality of citrus fruits and the like when being applied to the acidic soil in the citrus orchard.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1:
weighing 100 kg of hydrated lime, 40 kg of dolomite, 5kg of bathymen, 50 kg of magnesium sulfate, 18 kg of borax and 1.25 kg of zinc sulfate, crushing, uniformly mixing, and placing in a granulator to spray 1.0L of 2% sodium silicate solution for granulation to obtain the acid soil conditioner containing 4.7-0.9-0.2 mass percent of magnesium, boron and zinc and 2.3% of root promoting substances.
Example 2:
weighing 100 kg of soda lime, 80 kg of limestone powder, 10 kg of bathing agent, 100 kg of magnesium sulfate, 36 kg of borax and 2.5 kg of zinc sulfate, crushing, uniformly mixing, and placing in a granulator to spray 2.0L of 2% sodium silicate solution for granulation to obtain the acid soil conditioner containing 6.0-1.2-0.3 mass percent of magnesium, boron and zinc and 3.0% of root promoting substances.
Example 3:
weighing 100 kg of hydrated lime, 50 kg of soda lime, 40 kg of dolomite powder, 20 kg of heavy calcium carbonate, 4 kg of algin, 4 kg of humic acid, 38 kg of magnesium sulfate, 29 kg of magnesium chloride, 14 kg of borax, 9 kg of boric acid, 1 kg of zinc sulfate and 0.6 kg of zinc chloride, crushing, uniformly mixing, putting into a granulator, spraying 2.0L of 2% sodium silicate solution, and granulating to obtain the acid soil conditioner containing 2.6% of root promoting substances, wherein the mass percentages of magnesium, boron and zinc are respectively 4.8-1.0-0.25.
Example 4:
weighing 100 kg of hydrated lime, 80 kg of alkaline residue, 45 kg of dolomite powder, 45 kg of limestone powder, 3 kg of algin, 3 kg of humic acid, 1.5kg of fulvic acid, 1.5kg of fish protein, 120 kg of magnesium sulfate, 62 kg of potassium magnesium sulfate, 44 kg of borax, 21 kg of boron-magnesium fertilizer, 3.0 kg of zinc sulfate and 1.3 kg of zinc phosphate, crushing, uniformly mixing, and putting into a granulator to spray 2.0L of 2% sodium silicate solution for granulation to obtain the acid soil conditioner containing 6.8-1.4-0.3 mass percent of magnesium, boron and zinc and 1.7% of root promoting substances.
Experimental example:
experimental group 1: inventive example 1 was used as test material in experimental group 1 in an amount of 1.5kg per tree.
Experimental group 2: hydrated lime was used as the test material in experimental group 2 in the same amount as in experimental group 1.
Experimental group 3: hydrated lime and dolomite were used as the test materials in experimental group 3, and the amounts of hydrated lime and dolomite were the same as those used in experimental group 1.
Experimental group 4: magnesium sulfate, zinc sulfate and boric acid are used as test materials of the experimental group 4, and the proportion and the dosage are the same as those of the experimental group 1.
Blank group: soil without any fertilizer or conditioner applied.
Control group 1: the amount of a commercially available product soil conditioner (developed by combining agricultural resources of Guangdong provincial academy of agricultural sciences with the environmental research institute and Guangzhou New agricultural science and technology Co., Ltd., product name is soil conditioner) is 1.5kg per tree.
Control group 2: the product in the comparison group 1 is added with common medium and micro fertilizer products such as magnesium sulfate, zinc sulfate and boric acid which are sold in the market, and the using amount and the proportion of the medium and micro fertilizer products are the same as those in the embodiment 1.
The test is carried out by taking the satay orange as a test object, and the dosage of the same substances in each treatment is the same in order to avoid the difference caused by different dosages of different treatment substances as in the experimental example. After fruit picking, the application is carried out according to the treatment of an experimental example, the application mode is that the application is carried out along the annular ditching of the dropping line position of the citrus, and the soil and the citrus leaves are collected after six months of treatment for carrying out the analysis of relevant indexes, and the results are as follows:
TABLE 1 soil pH and trace element content in sugar orange leaves
As can be seen from Table 1, compared with the treatment of the commercially available soil conditioner and the treatment of the mixed application of the commercially available soil conditioner and the common medium and trace element fertilizer, the technical product of the invention applied to the experimental group 1 has a better effect of improving the pH value of the soil, has a better promotion effect on the absorption of the medium and trace elements such as calcium, magnesium, boron, zinc and the like, and the element metabolism balance is favorable for improving the quality and increasing the yield. Therefore, in production, the product can achieve multiple effects of simultaneously improving the pH value of soil and supplementing medium and trace elements by only applying the product, and is simple and efficient.
In summary, the embodiment of the invention provides a growth-regulating type conditioner special for acidic soil in citrus orchard, a preparation method and application thereof, wherein the acidic soil conditioner comprises a quick-acting acid-improving substance, a slow-acting acid-improving substance, a root-promoting substance, a medium element magnesium, a trace element boron and a trace element zinc; the mass ratio of the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the medium element magnesium, the trace element boron and the trace element zinc is (0.4-0.8): (0.05-0.1): (0.1-0.2): (0.02-0.04) and (0.005-0.01). Aiming at the problem of partial acidity of soil, the acid soil conditioner utilizes quick-acting acid-modifying substances to quickly increase the pH value of the soil, and utilizes slow-acting acid-modifying substances to keep the pH value of the soil within a relatively stable range for a long time, so that a good growth environment is provided for plant roots; aiming at the condition of poor development of the root system, promoting the development of the root system by utilizing the root promoting substance and constructing a good root system shape; aiming at the problem of unscientific nutrient matching, medium and trace elements which are relatively lacked in acid soil are selected to construct a scientific and reasonable element proportion; the substances are technically fused through a specific process, the fertilization process is simplified, and the effect of fertilizer effect superposition is achieved. The acid soil conditioner provided by the embodiment of the invention starts from the aspects of regulating soil acidity, promoting root growth, scientifically proportioning elements and the like, comprehensively constructs a soil nutrient environment beneficial to citrus growth, and achieves the double effects of improving the yield and quality of citrus.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. 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.
Claims (23)
1. The special growth regulation type conditioner for the acid soil of the citrus orchard is characterized by consisting of a quick-acting acid-improving substance, a slow-acting acid-improving substance, a root-promoting substance, a medium element magnesium, a trace element boron and a trace element zinc; the mass ratio of the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the medium element magnesium, the trace element boron and the trace element zinc is (0.4-0.8): (0.05-0.1): (0.1-0.2): (0.02-0.04): (0.005-0.01);
the quick-acting acid-modifying substance comprises one or more of hydrated lime, caustic sludge and soda lime;
the slow-acting acid-modifying substance comprises one or more of dolomite powder, limestone powder and heavy calcium carbonate;
the root-promoting substance comprises one or more of algin, humic acid, fulvic acid and fish protein.
2. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the quick-acting acid-modifying substance is selected from hydrated lime and soda lime, the mass ratio of the hydrated lime to the soda lime is 1 (0.5-0.8).
3. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the quick-acting acid-modifying substance is selected from hydrated lime and caustic sludge, the mass ratio of the hydrated lime to the caustic sludge is 1 (0.5-0.8).
4. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the slow acting acid-modifying substance is dolomite powder and heavy calcium carbonate, the mass ratio of the dolomite powder to the heavy calcium carbonate is 1 (0.5-1.0).
5. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the slow-acting acid-modifying substance is dolomite powder and limestone powder, the mass ratio of the dolomite powder to the limestone powder is 1 (0.5-1.0).
6. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the slow-acting acid-modifying substance is selected from heavy calcium carbonate and limestone powder, the mass ratio of the heavy calcium carbonate to the limestone powder is 1 (0.5-1.5).
7. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein when the root-promoting substance is selected from the group consisting of algin and humic acid, the mass ratio of the algin to the humic acid is 1 (0.5-1).
8. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein the fertilizer containing a medium element of magnesium comprises one or more of magnesium sulfate, magnesium sulfite, potassium magnesium sulfate, calcium magnesium phosphate and magnesium chloride.
9. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 8, wherein when the fertilizer containing magnesium as a secondary element is selected from magnesium sulfate and potassium magnesium sulfate, the mass ratio of magnesium sulfate to potassium magnesium sulfate is 1 (0.5-1.0).
10. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 8, wherein when the fertilizer containing the medium element magnesium is selected from magnesium sulfate and magnesium chloride, the mass ratio of the magnesium sulfate to the magnesium chloride is 1 (0.2-0.8).
11. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 8, wherein when the fertilizer containing a medium element of magnesium is selected from magnesium sulfate and calcium magnesium phosphate, the mass ratio of magnesium sulfate to calcium magnesium phosphate is 1 (0.5-1.0).
12. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 8, wherein when the fertilizer containing magnesium as a secondary element is selected from magnesium potassium sulfate and magnesium sulfite, the mass ratio of magnesium potassium sulfate to magnesium sulfite is 1 (0.2-0.6).
13. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein the fertilizer containing trace elements boron comprises one or more of borax, boric acid and boron magnesium fertilizer.
14. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 13, wherein the fertilizer containing boron as a trace element is selected from borax and boric acid, and the mass ratio of borax to boric acid is 1 (0.5-1).
15. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 13, wherein when the fertilizer containing trace elements boron is selected from borax and boron magnesium fertilizer, the mass ratio of borax to boron magnesium fertilizer is 1 (0.5-1).
16. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 1, wherein the fertilizer containing zinc as a trace element comprises one or more of zinc sulfate, zinc phosphate, zinc chloride and basic zinc carbonate.
17. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 16, wherein the fertilizer containing zinc as a trace element is selected from zinc sulfate and zinc chloride, and the mass ratio of zinc sulfate to zinc chloride is 1 (0.2-1.0).
18. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 16, wherein the fertilizer containing zinc as a trace element is selected from zinc sulfate and zinc phosphate, and the mass ratio of zinc sulfate to zinc phosphate is 1 (0.2-0.6).
19. The special growth-regulating conditioner for acidic soil in citrus orchard according to claim 16, wherein when the fertilizer containing trace element zinc is selected from zinc chloride and basic zinc carbonate, the mass ratio of zinc chloride to basic zinc carbonate is 1 (0.2-0.5).
20. The preparation method of the special growth-regulating conditioner for acidic soil in citrus orchard, according to any of claims 1 to 19, characterized in that the quick-acting acid-modifying substance, the slow-acting acid-modifying substance, the root-promoting substance, the fertilizer of medium element magnesium, the fertilizer of trace element boron and the fertilizer of trace element zinc are mixed and granulated.
21. The method of claim 20, further comprising: and adding a granulation binding substance in the granulation process, wherein the granulation binding substance is a sodium silicate solution with the mass concentration of 2-5%, the adding amount is 0.5-1% of the total mass of the raw materials, and drying and screening are carried out after granulation to ensure that the particle size of the fertilizer particles is 2-4 mm.
22. The use of the special growth-regulating conditioner for citrus orchard acid soil prepared by the preparation method according to claim 21 in the repair of citrus orchard acid soil.
23. Use of the growth-regulating citrus orchard acid soil dedicated conditioner according to claim 22, wherein the growth-regulating citrus orchard acid soil dedicated conditioner is used for the repair of citrus orchard acid soil in the south and southwest area.
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| CN112474776B (en) * | 2020-10-16 | 2022-01-07 | 云南和瑾科技有限公司 | Mother substance restoration method for acid soil |
| CN112979379A (en) * | 2021-04-29 | 2021-06-18 | 营口菱镁化工集团有限公司 | Special magnesium-containing fertilizer for citrus with soil conditioning function and preparation method and fertilizing method thereof |
| CN114106845A (en) * | 2021-12-14 | 2022-03-01 | 中国科学院沈阳应用生态研究所 | Acidic soil conditioner and application method thereof |
| CN114479876A (en) * | 2022-03-04 | 2022-05-13 | 广东省农业科学院农业资源与环境研究所 | Conditioner special for acid field and capable of inhibiting negative effect of straw returning and application of conditioner |
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