CN112470861A - Application of special continuous cropping resistant microecological preparation for beet in beet paper tube seedling culture, special seedbed soil for beet paper tube seedling culture and seedling culture method - Google Patents
Application of special continuous cropping resistant microecological preparation for beet in beet paper tube seedling culture, special seedbed soil for beet paper tube seedling culture and seedling culture method Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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Abstract
The invention relates to application of a special continuous cropping resistant microecological preparation for beet in beet paper tube seedling culture, special seedbed soil for the beet paper tube seedling culture and a seedling culture method, and belongs to the technical field of continuous cropping beet planting. The invention provides application of a special continuous cropping resistant microecological preparation for beet in paper tube seedling culture of beet. The application of the invention can reduce the dosage of the continuous cropping resistant microecologics, save the cost, is beneficial to the propagation and growth of beneficial microorganisms, promotes the growth of beet seedlings, improves the disease resistance of the beet seedlings, and solves the problem of uneven application of the microecologics in large fields in the continuous cropping planting of beet because of small dosage.
Description
Technical Field
The invention relates to the technical field of continuous cropping beet planting, in particular to application of a continuous cropping resistant microecological preparation special for beet in beet paper tube seedling culture, special seedbed soil for the beet paper tube seedling culture and a seedling culture method.
Background
Sugar is a big thing related to national economic development, and the general principle of sugar supply in our country is basically solved by the country, so that the sugar pot is firmly held in the hands of the person. The inner Mongolia is the first major area of beet production in China and is also an important sugar-making base in China, the planting area of the beet is increased from 40 to 210 thousand acres in 2010 to 2019, sugar-making enterprises are increased from 5 to 14, the layout of each sugar-making enterprise is concentrated, the land resources of the production area are limited, and crop rotation and stubble rotation are difficult to realize, so that the area of the continuous cropping of the beet is greatly increased in the inner Mongolia area and accounts for more than 30% of the sowing area of the inner Mongolia beet. Due to continuous cropping, the yield of the beet is reduced by 7.4-28.2%, the sugar content is reduced by 0.5-2 ℃, the nutrient and microbial community in soil are unbalanced, the incidence of root rot and brown spot of the beet is increased, the damage is increased along with the increase of the continuous cropping age, and the continuous cropping obstacle seriously restricts the high-quality and high-efficiency production of the inner Mongolia beet.
At present, continuous cropping becomes an important problem for restricting the production and development of beet in inner Mongolia areas, and the main measures comprise soil disinfection, reasonable crop rotation, biological control and the like. The soil disinfection has greater safety risk from the aspects of environmental protection and agricultural product safety, and reasonable rotation can be realized on the premise of ensuring the allowable land area; at present, biological prevention and control are applied more, and continuous cropping obstacles are prevented and controlled from the perspective of screening biological prevention of antagonistic microorganisms based on antagonistic action among microorganisms to inhibit soil-borne diseases by applying the biological agent. After the biological agent is applied to soil, on one hand, the ecological environment of rhizosphere can be improved, the physical and chemical properties of the soil can be improved, the species and the number of beneficial microorganisms in the soil can be increased, a soil microorganism district system can be changed, the development of crop roots can be promoted, the absorption of nutrients and water can be promoted, the disease resistance of plants can be enhanced, and finally the quality improvement and the efficiency increase can be realized.
Disclosure of Invention
The invention aims to provide application of a special continuous cropping resistant microecological preparation for beet in beet paper tube seedling culture, special seedbed soil for the beet paper tube seedling culture and a seedling culture method. The application of the invention can save the using amount of the continuous cropping resistant microecologics, save the cost, is beneficial to the propagation and growth of beneficial microorganisms, promotes the growth of beet seedlings, improves the disease resistance of the beet seedlings and solves the problem of uneven field application of the microecologics.
The invention provides application of a special continuous cropping resistant microecological preparation for beet in paper tube seedling culture of beet.
The invention also provides special seedbed soil for beet paper tube seedling culture, which comprises the following raw materials in parts by weight: 55-65 parts of seedling soil, 0.5-0.55 part of organic-inorganic beet paper tube seedling bed special fertilizer, 4-5 parts of organic fertilizer and 0.5-0.625 part of beet special continuous cropping resistant microecological preparation.
Preferably, the seedling raising soil is surface soil of wheat stubble, corn stubble or potato stubble which is not planted with beet for more than 5 years, and is not selected from clay, sandy soil, alkaline earth, raw soil, soil sprayed with herbicide and soil with beet cluster root disease.
Preferably, the water content of the seedling raising soil is 15% -16%.
Preferably, the special anti-continuous cropping microbial ecological agent for the beets comprises disease-preventing and growth-promoting bacillus subtilis and trichoderma, and the effective viable count is not less than 8.0 hundred million/gram.
The invention also provides a beet paper tube seedling method based on the special anti-continuous cropping microbial ecological agent for the beet or the bed soil in the technical scheme, which comprises the following steps:
the technical scheme is that the seedbed soil is used for carrying out beet paper tube seedling culture, and seedbed management is carried out in the paper tube seedling culture process; the seedbed management comprises moisture management, temperature management, ventilation management and pre-transplantation management.
Preferably, the conditions for the moisture management include: watering after seeding, wherein the water temperature is 20-30 ℃, watering thoroughly when watering, no longer watering before emergence of seedlings, and watering according to the soil moisture condition after emergence of seedlings to ensure the bed soil to be moist.
Preferably, the temperature management conditions include: sowing till emergence of seedlings, and enhancing heat preservation at night, wherein the temperature at night is not lower than 5 ℃; after seedling emergence and 10 days before transplantation, the indoor daytime temperature is 15-20 ℃, and the nighttime temperature is not lower than 5 ℃; and (5) performing heat preservation and antifreezing measures 7-10 days before transplanting if the temperature at night is lower than 0 ℃.
Preferably, the ventilation management comprises that the ventilation and shed uncovering are not carried out until the seeds are sowed before emergence of seedlings; ventilating 10 days after seedling emergence and before transplanting, if the temperature is higher than 25 ℃ in the daytime, uncovering the shed in a leeward way, slowly ventilating, and ventilating in a large area after the seedlings are adapted; 7-10 days before transplanting, in normal weather, the greenhouse is opened day and night for ventilation and seedling exercising.
Preferably, the pre-transplant management comprises: spraying monopotassium phosphate on leaf surfaces 4-5 days before transplanting; spraying 2.5 percent of (S) -alpha-cyano-3-phenoxybenzyl- (+) -cis-3- (2,2, dibromoethenyl) -2, 2-dimethyl cyclopropane carboxylic ester missible oil to the seedlings in the bed 1-2 days before transplanting; the seedlings were watered thoroughly 1 day before transplantation.
The invention provides application of a special continuous cropping resistant microecological preparation for beet in paper tube seedling culture of beet. The invention applies the special continuous cropping resistant microecological preparation for the beet to the paper tube seedling culture of the beet for the first time; the dosage of the special continuous cropping resistant microecological preparation for the beet in paper tube seedling culture is only 1/5-1/10 of that of the field, so that the use cost can be obviously saved; the special continuous cropping resistant microecological preparation for the beet is beneficial to the propagation and growth of beneficial microorganisms in the microenvironment of the paper cylinder, can promote the growth of beet seedlings and improve the disease resistance of the beet seedlings; in addition, the application of the special continuous cropping resistant microecological preparation for the beets in the paper cylinder solves the problem of uneven field application caused by small dosage.
Drawings
FIG. 1 shows the effect of different gradient anti-continuous cropping microecologics applied to the seedbed on the beet morphology index, wherein A is plant height, B is fresh weight, and C is dry weight;
FIG. 2 is a graph showing the effect of applying different gradient anti-continuous cropping micro-ecological agents to the sugar content of beet on the seedbed provided by the present invention;
FIG. 3 shows the effect of applying different gradient anti-continuous cropping probiotics on the yield (A) and sugar yield (B) of beet on the seedbed provided by the invention;
FIG. 4 is a diagram of growth results of beet in different amounts of anti-replant microecologics and control beet applied to the seedbed, wherein A is a diagram of early stage beet growth and B is a diagram of middle and late stage beet growth.
Detailed Description
The invention provides application of a special continuous cropping resistant microecological preparation for beet in paper tube seedling culture of beet. According to the invention, the special continuous cropping resistant microecological preparation for the beet is applied to paper tube seedling raising of the beet for the first time, the dosage of the special continuous cropping resistant microecological preparation for the beet in the paper tube seedling raising is only 1/5-1/10 of the dosage of a field, and the use cost can be obviously saved; the special continuous cropping resistant microecological preparation for the beet is beneficial to the propagation and growth of beneficial microorganisms in the microenvironment of the paper cylinder, can promote the growth of beet seedlings and improve the disease resistance of the beet seedlings; the application of the invention can solve the problem of uneven field application caused by small dosage.
The invention also provides special seedbed soil for beet paper tube seedling culture, which comprises the following raw materials in parts by weight: 55-65 parts of seedling soil, 0.5-0.55 part of organic-inorganic beet paper tube seedling bed special fertilizer, 4-5 parts of organic fertilizer and 0.5-0.625 part of beet special continuous cropping resistant microecological preparation. The specification of the paper tube is not specially specified, and the specification of the conventional paper tube is selected for operation, for example, in the invention, the paper tube and the paper volume are as follows: the diameter of the paper tube is 1.9cm, the height of the paper tube is 13-15 cm, and 1400 paper tubes are arranged in each book. The length of the book is 70cm when the book is folded, the width of the book is 20cm, and the occupied area when the book is unfolded is l15cm and 29 cm. When the paper tube and the paper book with the specifications are used, the preparation of the seedbed soil comprises the following raw materials: 55-65 kg/volume of seedling soil, 0.5-0.55 kg/volume of organic-inorganic beet paper tube seedling bed special fertilizer, 4-5 kg/volume of organic fertilizer and 0.5-0.625 kg/volume of beet special continuous cropping resistant microecological preparation. The method for growing the beet seedlings by using the seedbed soil to grow the beet paper tubes can solve the problem that the powdery microbial inoculum is small in using amount and difficult to apply in a field, simultaneously reduces the application amount of the microbial inoculum in the field, and provides conditions for the growth and the propagation of the microbial inoculum by adding the decomposed organic fertilizer into the seedbed. In the present invention, when the seedling raising soil is used, 60kg of soil is preferably used for each paper roll.
The special seedbed soil for beet paper tube seedling comprises 55-65 parts of seedling soil, and more preferably 60 parts of seedling soil. In the invention, the seedling raising soil is preferably surface soil of wheat stubble, corn stubble or potato stubble which is not planted with beet for more than 5 years, and is not selected from clay, sandy soil, alkaline earth, raw soil, soil sprayed with herbicide and soil with beet cluster root disease. The seedling raising soil provided by the invention is preferably fertile seedling raising soil. In the invention, the water content of the seedling raising soil is preferably 15-16%. In the invention, the seedling raising soil is preferably sieved by a sieve with 6-8 mm meshes.
The special seedbed soil for the beet paper tube seedling comprises 0.5-0.55 part of organic-inorganic special fertilizer for the beet paper tube seedling seedbed, and more preferably 0.5 part. In the invention, the organic-inorganic beet paper tube seedling bed special fertilizer has the functions of simplifying beet seedling culture procedures, being safe, low in cost, stable in physicochemical properties, good in dispersibility, and capable of balancing and comprehensively meeting beet seedling-stage nutrients; ② the burning of the fertilizer to the seedlings is reduced(ii) a The effectiveness of nutrients is improved; thirdly, the germination of seeds can be stimulated, the seedlings emerge for 1-2 days in advance, and the rate of emergence is improved by more than 5%; fourthly, the special fertilizer for the beet paper tube seedling bed has the functions of promoting the whole seedlings and strengthening the seedlings. Is a comprehensive solution for beet paper tube seedling cultivation and fertilization. The source of the organic-inorganic beet paper tube seedling bed special fertilizer is not specially limited, and the organic-inorganic beet paper tube seedling bed special fertilizer (N-P) with the patent number of 201310097564.7 is adopted2O5-K2O ═ 7-21.5-3.5) may be used.
The special seedbed soil for beet paper tube seedling comprises 4-5 parts of organic fertilizer, and more preferably 4 parts. In the invention, the organic fertilizer preferably comprises decomposed sheep manure. The source of the decomposed sheep manure is not particularly limited, and conventional commercial or self-made products of the decomposed sheep manure known by the technical personnel in the field can be adopted.
The special seedbed soil for beet paper tube seedling comprises 0.5-0.625 parts of special continuous cropping resistant microecologics for beet, and more preferably 0.625 parts. In the invention, the special anti-continuous cropping microbial ecological agent for the beet comprises disease-preventing growth-promoting bacillus subtilis and trichoderma, and the effective viable count is not less than 8.0 hundred million/g. The special continuous cropping resistant microecological preparation for the beets has the effects of preventing the beet root rot, solving the beet continuous cropping obstacle and improving the soil. In the invention, the special continuous cropping resistant microecological preparation for the beet is preferably purchased from Zhongnong Lvkang (Beijing) biotechnology limited; product name: an anti-continuous cropping microecological preparation (special for beet).
The invention also provides a beet paper tube seedling method based on the special anti-continuous cropping microbial ecological agent for the beet or the bed soil in the technical scheme, which comprises the following steps:
the technical scheme is that the seedbed soil is used for carrying out paper tube seedling culture of the beet, and seedbed management is carried out in the paper tube seedling culture process; the seedbed management comprises moisture management, temperature management, ventilation management and pre-transplantation management. The invention has strict and precise water management and temperature management and can ensure the living and growing environment of beet and microorganism in soil in the seedbed.
According to the invention, before seedling cultivation, a seedling cultivation field is preferably selected, a seedling cultivation shed is preferably constructed in a land block which is flat in terrain, low in underground water level, compact in soil quality, leeward and sunny, good in drainage and ventilation effects and convenient in water source, power supply, management and transportation, the periphery of the seedling cultivation shed is preferably 5-10 meters away from a light shield, and the seedling cultivation shed is preferably constructed in a north-south direction.
In the present invention, the conditions for the moisture management preferably include: watering after seeding, wherein the water temperature is 20-30 ℃, watering thoroughly when watering, no longer watering before emergence of seedlings, and watering according to the soil moisture condition after emergence of seedlings to ensure the bed soil to be moist. When the paper tube with the specification is used, each volume of the paper tube is preferably watered by 13-14 kg, and the paper tube is preferably uniformly, slowly and fully watered at one time when the water is watered (for the first time).
In the present invention, the conditions for the temperature management preferably include: sowing till emergence of seedlings, and enhancing heat preservation at night, wherein the temperature at night is not lower than 5 ℃; after seedling emergence and 10 days before transplantation, the indoor daytime temperature is 15-20 ℃, and the nighttime temperature is not lower than 5 ℃; and (5) performing heat preservation and antifreezing measures 7-10 days before transplanting if the temperature at night is lower than 0 ℃. The antifreezing measure is not specially limited, and the conventional heat-preservation antifreezing measure can be adopted, such as covering a plastic film in the evening.
In the present invention, the ventilation management preferably includes: before seeding and seedling emergence, the greenhouse is not ventilated and uncovered; ventilating 10 days after seedling emergence and before transplanting, if the temperature is higher than 25 ℃ in the daytime, uncovering the shed in a leeward way, slowly ventilating, and ventilating in a large area after the seedlings are adapted; 7-10 days before transplanting, in normal weather, the greenhouse is opened day and night for ventilation and seedling exercising.
In the present invention, the pre-transplant management preferably includes: spraying monopotassium phosphate on leaf surfaces 4-5 days before transplanting; spraying 2.5% deltamethrin emulsifiable solution to the seedlings in the bed 1-2 days before transplanting; the seedlings were watered thoroughly 1 day before transplantation. The invention is characterized in that the potassium dihydrogen phosphate is sprayed on the leaves 4-5 days before transplanting to cultivate strong seedlings, and the dosage is preferably 20g and 10kg of water (added with fertilizer); spraying 2.5% deltamethrin emulsifiable solution to the seedlings in the bed 1-2 days before transplanting, so that the damage of insect pests when the seedlings are transplanted in the field can be prevented, and the dosage is preferably 2ml and 1 kg/volume of water (grafted medicine); the seedlings are watered sufficiently 1 day before transplanting, so that the seedbed has enough moisture, and about 15kg of water (grafted water) is preferably watered in one volume, and paper cylinders can be easily separated.
The criteria for judging strong seedlings of the invention are preferably: when the true leaves of the seedling grow to four, the width of the leaf reaches 1.5cm, the length is less than 5cm, the length of the embryonic axis is less than 0.5cm, the leaf color is dark green and glossy, and the seedling is a strong seedling if the seedling is disease-free.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope 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.
Example 1
Carrying out field tests in 2 consecutive years from 2018 to 2019, carrying out systematic research on the use amount of the beet continuous cropping resistant microecologics in the beet paper tube seedling culture, setting 6 different gradient beet continuous cropping resistant microecologics application amounts (T1:0 kg/album, T2: 0.25 kg/album, T3:0.375 kg/album, T4: 0.5 kg/album, T5: 0.625 kg/album and T6: 0.75 kg/album), and observing the field growth condition, the soil structure change condition and the beet yield and quality level of the transplanted beet under different application amounts.
1. Dynamic change of beet shape index under condition of applying different gradient anti-continuous cropping microecological preparations to seedbed
As shown in figure 1 (the influence of different gradient anti-continuous cropping microecologics applied to the seedbed on the beet morphology indexes, wherein A is the plant height, B is the fresh weight, and C is the dry weight), the growth and development of the beet can be promoted to different degrees by applying the different gradient anti-continuous cropping microecologics to the seedbed, the general expression of different treatment rooms is that the change trend of the beet plant height, the fresh weight of stems and leaves and the dry weight of the stems and leaves are reduced after being increased along with the increase of the application amount of the seedbed anti-continuous cropping microecologics is that T5, T4, T6, T3, T2 and T1 are reduced, and the change rule of the increase amplitude of the fresh weight and the dry weight of the stems and leaves is consistent among the treatments. The application amount of each index is the lowest in the two treatments of T1 and T2, the difference between treatments of 8 months and 10 days in different growth periods is the largest in fresh weight and dry weight of stems and leaves, and the fresh weight of the stems and leaves in the periods T2, T3, T4, T5 and T6 is respectively 12.04%, 14.19%, 20.00%, 41.40% and 16.88% higher than that of T1; the dry weight is improved by 13.95%, 17.91%, 33.18%, 65.12% and 25.34%. The fresh weight and the dry weight of roots are gradually increased along with the time, the difference between treatments is gradually increased after 8 months and 10 days, the T4 and the T5 are better, and the 10 months and 17 days are taken as an example, the fresh weight of stems and leaves in the periods T2, T3, T4, T5 and T6 is respectively increased by 2.61%, 3.27%, 27.45%, 35.29% and 11.90% compared with the fresh weight of stems and leaves in the period T1; the dry weight is improved by 8.48%, 6.93%, 39.14%, 45.97% and 15.98%.
2. Dynamic change of sugar content of beet under condition of applying different gradient anti-continuous cropping microecological preparations to seedbed
As shown in FIG. 2 (the effect of different gradient anti-continuous cropping probiotics applied to the seedbed on the sugar content of beet), the sugar content of beet shows a gradually increasing trend along with the growth period, and the sugar content increases faster between 8 months 10 and 9 months 8. Under the treatment of different probiotics on the seedbed, except for the treatment of T6, the sugar content of the rest treatments is approximately consistent in different growth periods, namely T5> T4> T3> T2> T1, and the sugar content of T6 in 6 months and 7 months is lower than that of the treatment without the application of the probiotics (T1), probably because the application amount is larger, the sugar content is favorable for overground part growth in the seedbed period and the early period, the sugar content is not favorable for accumulation, and the sugar content is increased quickly in 9 months. Taking the harvest period of 10 months and 17 days as an example, the sugar content of the application amount of T2, T3, T4, T5 and T6 is respectively improved by 0.51 degree, 0.73 degree, 0.85 degree, 1.36 degree and 0.66 degree compared with the sugar content of the application amount of T1. It can be seen that the application amount of the microecological preparation is T4-T5 (0.5-0.625 kg/book), which is beneficial to improving the sugar content of the beet seedlings grown in paper tubes.
3. The yield and sugar yield of the beet are changed under the condition that different gradient anti-continuous cropping microecologics are applied to the seedbed
As can be seen from fig. 3 (the effect of applying different gradients of anti-continuous cropping probiotics to the seedbed on the yield (a) and the yield (B) of sugar beets), the yield and the yield of sugar beets generally decrease with the increase of the application amount of the anti-continuous cropping probiotics to the seedbed in different treatment rooms, wherein the application amounts of T2, T3, T4, T5 and T6 respectively increase the yield by 7.32%, 8.32%, 17.39%, 18.29% and 14.23% compared with the application amount of no (T1); the sugar yield is respectively improved by 10.60%, 13.09%, 23.36%, 27.92% and 18.78%. Comprehensive analysis shows that the effect of the anti-continuous cropping agent applied to the seedbed is the best when the anti-continuous cropping agent is T4-T5 (0.5-0.625 kg/book).
4. Growth condition of beet under condition of applying different amounts of gradient anti-continuous cropping micro-ecological preparations to seedbed
The influence of different gradients of anti-continuous cropping microecologics applied to the seedbed on the early growth vigor (A) of the beet seedbed and the middle and later growth vigor (B) of the beet seedbed is shown in figure 4, wherein 1 treatment is represented between adjacent solid lines in the picture, white labels in the picture are the dosage of the anti-continuous cropping microecologics for each mu, 4 batches of beet seedlings are needed to be transplanted for each mu, the application amount of each batch is described in the embodiment of the invention and is consistent with the application amount of the labels in figure 4, CK, 1 kg/mu, 1.5 kg/mu, 2 kg/mu, 2.5 kg/mu and 3 kg/mu are respectively marked on the labels from bottom to top, wherein CK represents T1:0 kg/mu, 1 kg/mu represents T2: 0.25 kg/mu, 1.5 kg/mu represents T3:0.375 kg/mu, 2.0 kg/mu represents T4: 0.5 kg/mu, and 2.0 kg/mu represents T4: 0.5 kg/mu, 2.5 kg/acre for T5: 0.625 kg/book, 3.0 kg/mu for T6: 0.75 kg/book, T6 group was marked on the back of T5 group tags for economy of tag usage). As can be seen, the early growth and the middle and later growth of the beet seedbed are robust growth conditions along with the increase of the application amount of the anti-continuous cropping microecologics in different treatment rooms, the growth conditions of the beet seedbed are obviously superior to those of the control treatment (T1), and the effect of the anti-continuous cropping microecologics applied to the seedbed beet is the best overall in the growth conditions of the seedbed and the beet is T4-T5 (0.5-0.625 kg/volume).
Example 2
After the application of the beet continuous cropping resistant microecologics in the beet paper tube seedling culture, the multiplication capacity of bacillus (the result is shown in table 1) is observed, after the application of the beet continuous cropping resistant microecologics is 0.5-0.625 kg/volume, the number of the bacillus in the seedling stage of the beet seedling culture is 796 percent higher before sowing respectively, and the seedling stage is improved by 40 times compared with that without the application of (ck). The bacillus forms dominant flora in the seedbed stage and can effectively inhibit the propagation and growth of other bacteria after being transplanted.
TABLE 1 proliferation potency of Bacillus seedbed
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The application of the special continuous cropping resistant microecological preparation for the beet in the paper tube seedling culture of the beet.
2. The special seedbed soil for beet paper tube seedling culture is characterized by comprising the following raw materials in parts by weight: 55-65 parts of seedling soil, 0.5-0.55 part of organic-inorganic beet paper tube seedling bed special fertilizer, 4-5 parts of organic fertilizer and 0.5-0.625 part of beet special continuous cropping resistant microecological preparation.
3. The bed soil as claimed in claim 2, wherein the soil for growing seedlings is selected from top soil of wheat stubble, corn stubble or potato stubble which is not planted with beet for more than 5 years, and is not selected from clay, sandy soil, alkaline earth, raw soil, soil sprayed with herbicide and soil with beet cluster root disease.
4. The bed soil as claimed in claim 2, wherein the moisture content of the bed soil is 15% to 16%.
5. The seedbed soil as recited in claim 2, wherein the special anti-continuous cropping microbial ecological agent for beet comprises disease-preventing and growth-promoting bacillus subtilis and trichoderma, and the effective viable count is not less than 8.0 hundred million/g.
6. A beet paper tube seedling method based on a beet special-purpose continuous cropping resistant microecological preparation or the bed soil of any one of claims 2 to 5 comprises the following steps:
carrying out paper tube seedling culture on beet by using the seedbed soil as claimed in any one of claims 2-5, and carrying out seedbed management in the paper tube seedling culture process; the seedbed management comprises moisture management, temperature management, ventilation management and pre-transplantation management.
7. A method of raising seedlings according to claim 6, characterized in that the conditions of the moisture management include: watering after seeding, wherein the water temperature is 20-30 ℃, watering thoroughly when watering, no longer watering before emergence of seedlings, and watering according to the soil moisture condition after emergence of seedlings to ensure the bed soil to be moist.
8. A method of growing seedlings according to claim 6 in which the conditions of the temperature management include: sowing till emergence of seedlings, and enhancing heat preservation at night, wherein the temperature at night is not lower than 5 ℃; after seedling emergence and 10 days before transplantation, the indoor daytime temperature is 15-20 ℃, and the nighttime temperature is not lower than 5 ℃; and (5) performing heat preservation and antifreezing measures 7-10 days before transplanting if the temperature at night is lower than 0 ℃.
9. A method of growing seedlings according to claim 6 in which the management of ventilation includes, before sowing and emergence, not ventilation and not uncovering the shed; ventilating 10 days after seedling emergence and before transplanting, if the temperature is higher than 25 ℃ in the daytime, uncovering the shed in a leeward way, slowly ventilating, and ventilating in a large area after the seedlings are adapted; 7-10 days before transplanting, in normal weather, the greenhouse is opened day and night for ventilation and seedling exercising.
10. A method of growing seedlings according to claim 6 in which said pre-transplant management comprises: spraying monopotassium phosphate on leaf surfaces 4-5 days before transplanting; spraying 2.5 percent of (S) -alpha-cyano-3-phenoxybenzyl- (+) -cis-3- (2,2, dibromoethenyl) -2, 2-dimethyl cyclopropane carboxylic ester missible oil to the seedlings in the bed 1-2 days before transplanting; the seedlings were watered thoroughly 1 day before transplantation.
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| CN103172474A (en) * | 2013-03-11 | 2013-06-26 | 内蒙古自治区农牧业科学院 | Special organic-inorganic fertilizer for beets |
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| CN111269050A (en) * | 2018-12-03 | 2020-06-12 | 商都县科技特派员工作站 | Beet continuous cropping resistant agent and preparation method thereof |
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| CN103172474A (en) * | 2013-03-11 | 2013-06-26 | 内蒙古自治区农牧业科学院 | Special organic-inorganic fertilizer for beets |
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