CN112661581A - Anti-sunburn biological source stimulant, crop fertilizer and crop irrigation and spraying method - Google Patents
Anti-sunburn biological source stimulant, crop fertilizer and crop irrigation and spraying method Download PDFInfo
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- 206010042496 Sunburn Diseases 0.000 title claims abstract description 74
- 238000005507 spraying Methods 0.000 title claims abstract description 57
- 239000003337 fertilizer Substances 0.000 title claims abstract description 25
- 238000003973 irrigation Methods 0.000 title claims abstract description 22
- 230000002262 irrigation Effects 0.000 title claims abstract description 22
- 150000001413 amino acids Chemical class 0.000 claims abstract description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011591 potassium Substances 0.000 claims abstract description 18
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 18
- 235000019828 potassium polyphosphate Nutrition 0.000 claims abstract description 18
- 244000068988 Glycine max Species 0.000 claims abstract description 17
- 235000010469 Glycine max Nutrition 0.000 claims abstract description 17
- NYRAVIYBIHCEGB-UHFFFAOYSA-N [K].[Ca] Chemical compound [K].[Ca] NYRAVIYBIHCEGB-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 239000000047 product Substances 0.000 claims abstract description 13
- 238000000855 fermentation Methods 0.000 claims abstract description 12
- 230000004151 fermentation Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000000035 biogenic effect Effects 0.000 claims description 22
- 235000013399 edible fruits Nutrition 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- NGLMYMJASOJOJY-UHFFFAOYSA-O azanium;calcium;nitrate Chemical class [NH4+].[Ca].[O-][N+]([O-])=O NGLMYMJASOJOJY-UHFFFAOYSA-O 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 6
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 229940113601 irrigation solution Drugs 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 6
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 5
- 229940072033 potash Drugs 0.000 claims description 5
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 5
- 235000015320 potassium carbonate Nutrition 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 5
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 4
- 235000019764 Soybean Meal Nutrition 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 239000004455 soybean meal Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 3
- 241000207199 Citrus Species 0.000 claims description 3
- 235000020971 citrus fruits Nutrition 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 3
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 3
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 3
- 230000002255 enzymatic effect Effects 0.000 claims 2
- 239000004254 Ammonium phosphate Substances 0.000 claims 1
- 240000008790 Musa x paradisiaca Species 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims 1
- 235000019289 ammonium phosphates Nutrition 0.000 claims 1
- 235000013877 carbamide Nutrition 0.000 claims 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000001105 regulatory effect Effects 0.000 abstract description 7
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- 238000011282 treatment Methods 0.000 description 14
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 11
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 11
- 240000003768 Solanum lycopersicum Species 0.000 description 11
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 10
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LQXZLHKVIRVBTC-UHFFFAOYSA-O [N+](=O)([O-])[O-].[NH4+].[P] Chemical compound [N+](=O)([O-])[O-].[NH4+].[P] LQXZLHKVIRVBTC-UHFFFAOYSA-O 0.000 description 2
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- 206010006956 Calcium deficiency Diseases 0.000 description 1
- 239000004132 Calcium polyphosphate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 239000003513 alkali Substances 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides an anti-sunburn biological source stimulant, a crop fertilizer and a crop irrigation and spraying method, wherein the anti-sunburn biological source stimulant comprises the following components: 30-50 parts of soybean amino acid fermentation product, 10-20 parts of potassium humate and 30-40 parts of calcium potassium polyphosphate mixed salt. The invention utilizes soybean amino acid fermentation as an active component for activating anti-sunburn, potassium humate as an organic carrier and calcium potassium polyphosphate as an emulsion film for regulating osmotic pressure and a nutritional supplement, so that the crops can be sprayed with the anti-sunburn biological source stimulant under the environment of high temperature and strong sunlight, the crops can be protected from the adverse effect of high temperature sunlight from the root system to the tree body, the crops can be ensured to effectively absorb moisture and nutritional components required by the growth of the crops, and the obvious effect of increasing the yield of the crops in the environment of high temperature and strong sunlight is realized.
Description
Technical Field
The invention belongs to the technical field of crop stress resistance, and particularly relates to an anti-sunburn biological source stimulant, a crop fertilizer and a crop irrigation and spraying method.
Background
In summer, strong light directly irradiates leaf surfaces, fruit surfaces or trunks, so that the local transpiration is aggravated, the dehydration and the temperature are suddenly increased to burn crops, and the phenomenon is the sunscald disease of the crops. It is commonly found in banana, orange, eggplant and other crops. Sunburn caused by high temperature sunlight is a common pain point in a planting area, which affects not only the appearance of fruit faces, but also photosynthesis of leaf faces of fruits, but also the yield of the whole crop. Some researchers have made a lot of research work on the aspects of the physiological ecology of the plant for resisting sunburn, the mechanism of the sunburn and the identification of the sunburn-resisting index, and have made certain breakthrough progress. However, the sunscald disease is a physiological disease, and the sunscald disease should be prevented in the flower bud stage (early summer) in advance, so that the transpiration pressure of crops is regulated from bottom to top from the root system, and the integral resistance is enhanced. The anti-sunburn of the crops is a complex mechanism, different crops and varieties are adaptive in various modes, and some crops have the anti-sunburn characteristic of comprehensive and multi-mechanism combined action, so that the problem of increasing the anti-sunburn capacity of the crops continuously to increase the yield of the crops in a high-temperature sunshine environment according to the characteristics of the growth environment of the crops is still a technical problem commonly existing in the technical field of the anti-sunburn of the crops.
Disclosure of Invention
The invention provides a sunburn-resistant biogenic stimulant, a crop fertilizer and a crop irrigation and spraying method, aiming at the technical problem of improving the sunburn-resistant capability of crops to increase the yield of the crops under the high-temperature sunshine environment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides an anti-sunburn biogenic stimulant which comprises the following components: the soybean amino acid fermented product is 30-50 parts by weight, the potassium humate is 10-20 parts by weight, and the calcium potassium polyphosphate mixed salt is 30-40 parts by weight.
Preferably, the weight parts of the soybean amino acid fermentation product are 40-50 parts, the weight parts of the potassium humate are 12-15 parts, and the weight parts of the calcium potassium polyphosphate mixed salt are 32-36 parts.
Preferably, the soybean amino acid fermentation product is soybean low-temperature meal enzymolysis extraction dry powder.
Preferably, the content of water-soluble amino acid in the low-temperature soybean meal enzymolysis extraction dry powder is more than or equal to 20 percent; and/or the presence of a gas in the gas,
the total content of nitrogen, phosphorus pentoxide and potassium oxide is more than or equal to 5.0 percent; and/or the presence of a gas in the gas,
the water content is less than or equal to 2.0 percent; and/or the presence of a gas in the gas,
the content of organic matters is more than or equal to 90 percent; and/or the presence of a gas in the gas,
the pH range is 4.5-6.0.
Preferably, in the potassium humate, the content of humic acid is more than or equal to 60 percent; and/or the presence of a gas in the gas,
the water content is less than or equal to 2.0 percent; and/or the presence of a gas in the gas,
the content of organic matters is more than or equal to 50 percent; and/or the presence of a gas in the gas,
the pH range is 9.0-11.0.
Preferably, the preparation method of the calcium potassium polyphosphate mixed salt is as follows:
40-50 parts of polyphosphoric acid (phosphorus pentoxide is more than or equal to 84.0%) and 60-80 parts of saturated calcium ammonium nitrate solution are put into a reaction kettle, the temperature is adjusted to 100 ℃, the mixture is rapidly stirred for 30min, and water is evaporated;
and concentrating the mixture of the polyphosphoric acid and the saturated calcium ammonium nitrate solution to 70-90 parts, cooling to 50-60 ℃, adding potassium chloride into the reaction kettle to supplement 100 parts, and drying to obtain the calcium potassium polyphosphate mixed salt.
The anti-sunburn biological source stimulant provided by the invention utilizes soybean amino acid fermentation as an active component for activating anti-sunburn, potassium humate as an organic matter carrier and calcium potassium polyphosphate mixed salt as an emulsifying film for regulating osmotic pressure and a nutrition supplement, so that crops are irrigated and sprayed under a high-temperature strong-sunlight environment, the crops can be protected from adverse effects of high-temperature sunlight from root systems to tree bodies, the crops can be guaranteed to effectively absorb water and nutritional components required by the growth of the crops, and the remarkable effect of increasing the yield of the crops is realized.
Further, the invention provides a crop fertilizer, which comprises the anti-sunburn biogenic stimulant and an agricultural compound mixed with the anti-sunburn biogenic stimulant, wherein the agricultural compound is at least one of urea, ammonium-phosphorus nitrate, phosphate fertilizer and potash fertilizer.
The crop fertilizer provided by the invention adopts the combination of the anti-sunburn biogenic stimulant and the agricultural compound, so that the crop fertilizer can meet the specific nutritional requirements of crops, can effectively improve the anti-sunburn capability of the crops, and is beneficial to realizing the effect of increasing the yield of the crops in a high-temperature sunshine environment.
Further, the invention also provides a crop irrigation and spraying method, and the specific implementation scheme is as follows:
after the crops are subjected to strong sunlight and high temperature weather, the first irrigation operation is carried out after the anti-sunburn biological source stimulant and water are mixed in the flowering bud period of the crops; and in the young fruit period of crops, the anti-sunburn biogenic stimulant is mixed with water and then is sprayed for the second time.
Preferably, the first irrigation operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 1.5-2.0 kg/mu, diluting the anti-sunburn biological source stimulant by water by 200 times to prepare a first irrigation solution, and irrigating the first irrigation solution;
the second spraying operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 30-50 g/mu, diluting the anti-sunburn biological source stimulant by water for 1000 times to prepare a second spraying solution, and spraying the second spraying solution.
Preferably, the second spraying operation is leaf surface spraying and trunk spraying, the spraying interval period is 2-3 weeks, the spraying direction is opposite to that of the previous spraying, and the spraying is carried out for 2 times in each season.
Preferably, the crops are citrus or banana or solanaceous crops.
The irrigation and spraying method for the crops adopts the anti-sunburn biological source stimulant to optimally design the irrigation and spraying method for the crops, so that the yield of the crops under high-temperature sunlight is fully ensured, the spotted fruits and the sunburned fruits are reduced, and the selling phase of the fruits is ensured.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention discloses an anti-sunburn biogenic stimulant, which comprises the following components: the soybean amino acid fermented product is 30-50 parts by weight, the potassium humate is 10-20 parts by weight, and the calcium potassium polyphosphate mixed salt is 30-40 parts by weight.
Specifically, the soybean amino acid fermentation product can be selected from 30 parts, 32 parts, 34 parts, 35 parts, 36 parts, 38 parts, 40 parts, 42 parts, 44 parts, 45 parts, 46 parts, 48 parts or 50 parts by weight; the weight parts of the potassium humate can be selected from 10 parts, 12 parts, 14 parts, 15 parts, 16 parts, 18 parts or 20 parts; the weight parts of the calcium potassium polyphosphate mixed salt can be selected from 30 parts, 32 parts, 34 parts, 35 parts, 36 parts, 38 parts or 40 parts.
In a preferred embodiment, the weight parts of the soybean amino acid fermentation product are 40-50 parts, the weight parts of the potassium humate are 12-15 parts, and the weight parts of the calcium potassium polyphosphate mixed salt are 32-36 parts.
The soybean amino acid fermentation product is mainly used for activating the anti-sunburn capacity of roots, buds and leaf surfaces of crops, directly absorbs amino acid to promote root development, increase the content of organic matters on the leaf surfaces and provide the effect of reducing the tension of fertilizer liquid, and has strong adhesion; the calcium polyphosphate and potassium polyphosphate mixed salt is mainly used as an emulsion film for regulating osmotic pressure and a nutritional supplement, so that crops can effectively resist physical long sunlight and supplement physiological phosphorus and calcium deficiency of trunks and flower buds under high-temperature sunlight; the potassium humate is used as an acid-base regulator, and meanwhile, the organic matter and the sylvite also play a role in regulating the osmotic potential of the roots of the crops. Therefore, when the anti-sunburn biological source stimulant is used by crops in a high-temperature sunshine environment, the anti-sunburn capacity of the crops can be effectively improved, the crops can be guaranteed to effectively absorb nutritional ingredients required by growth of the crops, and the remarkable effect of increasing the yield of the crops in the high-temperature sunshine is achieved.
In the embodiment of the invention, the soybean amino acid fermentation product is soybean low-temperature meal enzymolysis extraction dry powder.
Specifically, the content of water-soluble amino acid in the low-temperature soybean meal enzymolysis extraction dry powder is more than or equal to 20%; and/or the total content of nitrogen, phosphorus pentoxide and potassium oxide is more than or equal to 5.0 percent; and/or, the content of water is less than or equal to 2.0 percent; and/or the content of organic matters is more than or equal to 90 percent; and/or a pH in the range of 4.5-6.0.
In the embodiment of the invention, the content of humic acid in the potassium humate is more than or equal to 60 percent; and/or, the content of water is less than or equal to 2.0 percent; and/or the content of organic matters is more than or equal to 50 percent; and/or, the pH range is 9.0-11.0.
In the embodiment of the invention, the preparation method of the calcium potassium polyphosphate mixed salt comprises the following steps:
40-50 parts of polyphosphoric acid (phosphorus pentoxide is more than or equal to 84.0%) and 60-80 parts of saturated calcium ammonium nitrate solution are put into a reaction kettle, the temperature is adjusted to 100 ℃, the mixture is rapidly stirred for 30min, and water is evaporated;
and concentrating the mixture of the polyphosphoric acid and the saturated calcium ammonium nitrate solution to 70-90 parts, cooling to 50-60 ℃, adding potassium chloride into the reaction kettle to supplement 100 parts, and drying to obtain the calcium potassium polyphosphate mixed salt.
As a preferred embodiment of the invention, the anti-sunburn biogenic stimulant comprises the following components: 45 parts of soybean amino acid fermentation product, 15 parts of potassium humate and 40 parts of calcium potassium polyphosphate mixed salt; alternatively, as another preferred embodiment of the present invention, the anti-sunburn biogenic stimulant comprises the following components: 50 parts of soybean amino acid fermentation product, 20 parts of potassium humate and 30 parts of calcium potassium polyphosphate mixed salt. Tests show that the anti-sunburn biological source stimulants can achieve the purposes of improving the anti-sunburn capacity of crops and increasing the yield of the crops when used in a high-temperature sunshine environment.
The invention also provides a crop fertilizer which comprises the anti-sunburn biogenic stimulant and an agricultural compound mixed with the anti-sunburn biogenic stimulant, wherein the agricultural compound is at least one of urea, ammonium-phosphorus nitrate, phosphate fertilizer and potash fertilizer.
Wherein, the urea is an organic compound consisting of carbon, nitrogen, oxygen and hydrogen, the nitrogen content is 46.65 percent, and the urea is a solid nitrogen fertilizer with the highest nitrogen content. The urea is used as a neutral fertilizer, is suitable for various soils and plants, does not leave any harmful substances in the soil, and has no adverse effect after long-term application.
The compound fertilizer contains N, P and N nutrients, and may be used as both base fertilizer and additional fertilizer, and is suitable for both dry and paddy field crops.
The potash fertilizer is a fertilizer with potassium as a main nutrient, can be absorbed by soil, is not easy to run off, and can improve the potassium supply capacity of the soil and the potassium nutrient level of plants. When a proper amount of potash fertilizer is applied, the stalks of crops can be grown firmly, lodging is prevented, blooming and fructification are promoted, and the drought resistance, cold resistance and pest resistance are enhanced.
The crop fertilizer provided by the embodiment of the invention adopts the combination of the anti-sunburn biological source stimulant and the agricultural compound, so that the crop fertilizer can meet the specific nutritional requirements of crops, can effectively improve the anti-sunburn capacity of the crops, and is beneficial to realizing the effect of increasing the yield of the crops in a high-temperature sunshine environment.
The invention also provides a crop irrigation and spraying method, which comprises the following specific implementation scheme:
after the crops are subjected to strong sunlight and high temperature weather, the first irrigation operation is carried out after the anti-sunburn biological source stimulant and water are mixed in the flowering bud period of the crops; and in the young fruit period of crops, the anti-sunburn biogenic stimulant is mixed with water and then is sprayed for the second time.
Specifically, the first irrigation operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 1.5-2.0 kg/mu, diluting the anti-sunburn biological source stimulant by water by 200 times to prepare a first irrigation solution, and irrigating the first irrigation solution. By adopting the irrigation mode, the yield of crops can be effectively increased.
The second spraying operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 30-50 g/mu, diluting the anti-sunburn biological source stimulant by water for 1000 times to prepare a second spraying solution, and spraying the second spraying solution. By adopting the spraying mode, the yield of the crops can be effectively increased.
In some preferred embodiments, the second spraying operation is foliar spraying and trunk spraying, the spraying interval period is 2-3 weeks, the spraying direction is opposite to the previous spraying, and the spraying is performed 2 times in each season. By adopting the spraying mode, the crops can be uniformly sprayed, and the dosage of spraying the anti-sunburn agent is saved under the condition of ensuring the effective yield increase of the crops.
In an embodiment of the present invention, the crop is a citrus or banana or solanaceous crop.
According to the irrigation and spraying method for the crops, provided by the embodiment of the invention, the irrigation and spraying method for the crops is optimally designed by adopting the anti-sunburn biological source stimulant, so that the yield of the crops under high-temperature sunlight is fully ensured, the spotted fruits and the sunburned fruits are reduced, and the selling phase of the fruits is ensured.
Studies have shown that proline content can be a physiological indicator of anti-sunscald breeding, since proline is one of the components of crop proteins, which can be widely present in free state in crops. Under the stress conditions of high temperature, water shortage and the like, a large amount of proline in a plurality of crops is accumulated, and the accumulated proline can be used as a permeation regulating substance in the cytoplasm of the crops and plays an important role in stabilizing the biomacromolecule structure, reducing the acidity of cells, removing ammonia toxicity, regulating the redox potential of the cells as an energy bank and the like; under the adverse conditions (drought, saline-alkali, heat, cold and freezing), the proline content in the crops is obviously increased. The proline content in the crops reflects the stress resistance of the crops to a certain extent, and varieties with strong sunburn resistance tend to accumulate more proline, so the measurement of the proline content can be used as a physiological index for sunburn resistance breeding.
In order to verify the effect of the anti-sunburn biogenic stimulant, the crop fertilizer and the crop irrigation and spraying method provided by the embodiment of the invention, the applicant performs the following tests, wherein the proline content is used as a physiological index for anti-sunburn breeding.
The specific test is as follows:
the test field is Hainan Johnson, the test time is 4 months-9 months in 2019, the annual sunshine days are 229 days, and the sunshine intensity is 2.5KWh/m2. The crop in the test field is tomato. The method is characterized in that 50 kilograms/mu of compound fertilizer is applied in combination with land preparation before seedling transplantation, the test process comprises three different treatment modes of non-irrigation spraying anti-sunburn agent, irrigation spraying anti-sunburn agent and spraying anti-sunburn agent, tomatoes in each treatment mode are arranged in random block groups, the row length of the tomatoes is 15m, the row spacing is 50cm, the hole spacing is 10cm, and the tomato treatment mode adopts a 3-row-area and 3-time repeated distribution mode. For the purpose of analyzing the test results, the non-sprayed suntan lotion pattern was defined as treatment pattern 1, the sprayed suntan lotion pattern was defined as treatment pattern 2, and the sprayed suntan lotion pattern was defined as treatment pattern 3, and the treatment processes of the respective treatment patterns were as follows:
treatment mode 1 (no-pour-on anti-sunburn agent): according to local production management, regularly spraying clear water on the leaves for cooling.
Treatment mode 2 (spray application of anti-sunburn agent): according to local production management, a first anti-sunburn biological source stimulant is applied in a flower bud stage (the first anti-sunburn biological source stimulant is applied after being diluted by water by 200 times according to the amount of 2 kg/mu); and (3) spraying a second anti-sunburn biological source stimulant to the leaf surfaces in the continuous fruiting period (the stimulant is sprayed after being diluted by 1000 times by water according to the proportion of 50 g/mu).
Treatment mode 3 (spraying anti-sunburn agent): according to local production management, the anti-sunburn biological source stimulant is sprayed on the leaf surfaces in the continuous fruit bearing period (the anti-sunburn biological source stimulant is sprayed after the leaf surfaces are diluted by 1000 times by water according to the amount of 50 g/mu).
According to experimental observation, the tomato plants obtained by irrigating and spraying the anti-sunburn biogenic stimulant provided by the embodiment of the invention (namely, by adopting the treatment mode 2) are stronger, the fruit types are beautiful, the yield is high, the proline content is high, and the specific test results are shown in table 1.
TABLE 1
The different lower case letters (a, b, c) following the data in Table 1 indicate the significance of the difference as measured by the Duncan method (p < 0.05).
As can be seen from Table 1, the proline content of the tomato obtained by the treatment method 2 is significantly higher than that of the other two treatment methods, which indicates that the treatment method 2 activates the anti-reversion reaction of the tomato and realizes the effect of improving the sunburning resistance of the tomato; at the same time, it can also be seen from table 1 that the tomato yield obtained with treatment mode 2 is significantly higher than the tomato yield obtained with treatment mode 1, and also significantly higher than the tomato yield obtained with treatment mode 3. Therefore, the anti-sunburn biological source stimulant and the crop irrigating and spraying method provided by the embodiment of the invention can effectively achieve the purposes of improving the anti-sunburn capacity of crops and increasing the yield of the crops.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An anti-sunburn biogenic stimulant, which is characterized by comprising the following components: the soybean amino acid fermented product is 30-50 parts by weight, the potassium humate is 10-20 parts by weight, and the calcium potassium polyphosphate mixed salt is 30-40 parts by weight.
2. The anti-sunburn biogenic stimulant of claim 1, wherein the soybean amino acid fermentation product is a low temperature soybean meal enzymatic extraction dry powder.
3. The anti-sunburn biogenic stimulant as recited in claim 2, wherein the content of water-soluble amino acids in the low temperature soybean meal enzymatic extraction dry powder is no less than 20%; and/or the presence of a gas in the gas,
the total content of nitrogen, phosphorus pentoxide and potassium oxide is more than or equal to 5.0 percent; and/or the presence of a gas in the gas,
the water content is less than or equal to 2.0 percent; and/or the presence of a gas in the gas,
the content of organic matters is more than or equal to 90 percent; and/or the presence of a gas in the gas,
the pH range is 4.5-6.0.
4. The anti-sunburn biogenic stimulant as recited in claim 1, wherein the content of humic acid in said potassium humate is not less than 60%; and/or the presence of a gas in the gas,
the water content is less than or equal to 2.0 percent; and/or the presence of a gas in the gas,
the content of organic matters is more than or equal to 50 percent; and/or the presence of a gas in the gas,
the pH range is 9.0-11.0.
5. The anti-sunburn biogenic stimulant of claim 1, wherein the calcium potassium polyphosphate mixed salt is prepared as follows:
40-50 parts of polyphosphoric acid (phosphorus pentoxide is more than or equal to 84.0%) and 60-80 parts of saturated calcium ammonium nitrate solution are put into a reaction kettle, the temperature is adjusted to 100 ℃, the mixture is rapidly stirred for 30min, and water is evaporated;
and concentrating the mixture of the polyphosphoric acid and the saturated calcium ammonium nitrate solution to 70-90 parts, cooling to 50-60 ℃, adding potassium chloride into the reaction kettle to supplement 100 parts, and drying to obtain the calcium potassium polyphosphate mixed salt.
6. A crop fertilizer, comprising the anti-sunburn biogenic stimulant of any one of claims 1 to 5 and an agricultural compound mixed therewith, the agricultural compound being at least one of urea, ammonium phosphate, phosphate and potash fertilizers.
7. A crop irrigation and spraying method is characterized in that after crops are subjected to strong sunshine and high temperature weather, the first irrigation operation is carried out after the anti-sunburn biogenic stimulant as claimed in any one of claims 1 to 5 is mixed with water in the flowering stage of the crops; a second spraying operation is carried out after the anti-sunburn biogenic stimulant as claimed in any one of claims 1-5 is mixed with water during the young fruit period of the crop.
8. The crop drench spray method of claim 7,
the first irrigation operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 1.5-2.0 kg/mu, diluting the anti-sunburn biological source stimulant by water by 200 times to prepare a first irrigation solution, and irrigating the first irrigation solution;
the second spraying operation is as follows: weighing the anti-sunburn biological source stimulant according to the amount of 30-50 g/mu, diluting the anti-sunburn biological source stimulant by water for 1000 times to prepare a second spraying solution, and spraying the second spraying solution.
9. The crop spray method according to any of claims 7 to 8, wherein the second spraying operation is foliar spraying and trunk spraying, the spraying interval period is 2 to 3 weeks, the spraying direction is opposite to the previous one, and the spraying is performed 2 times per season.
10. The crop spray application method according to any one of claims 7 to 8, characterized in that the crop is a citrus or banana or solanaceous crop.
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