Disclosure of Invention
In order to solve the defect of low survival rate of the existing water-cultured strawberries, the invention provides a method for improving the survival rate of the water-cultured strawberries in a plant growth cabinet and the plant growth cabinet.
The invention adopts the technical scheme that a method for improving the survival rate of water culture strawberries in a plant growth cabinet is designed, and comprises the following steps:
planting the strawberry seedlings with flower bud differentiation in the planting holes of the plant growth cabinet;
circularly pumping clear water into the base below the planting hole, adjusting environmental factor parameters in the plant growth cabinet until the environmental factor parameters meet the adaptation period condition, and soaking the root of the strawberry seedling in the clear water for culturing for a first preset number of days;
and circularly pumping the nutrient solution into the base below the planting hole, adjusting the environmental factor parameters in the plant growth cabinet to meet the conditions of the initial growth stage, and soaking the roots of the strawberry seedlings in the nutrient solution to culture until the strawberry seedlings bloom.
Preferably, before the strawberry seedling branches which are differentiated by flower buds are planted in the planting holes of the plant growth cabinet, the plant growth cabinet is disinfected, and the clean water circulating pump is put into the base below the planting holes.
Preferably, before the strawberry seedlings with differentiated flower buds are planted in planting holes of a plant growth cabinet in a separated mode, the Francisella strawberry seedlings with the plant heights of 12-18 cm after flower bud differentiation are selected, cleaned by clear water, soaked for 15-30 min by carbendazim and then cleaned by clear water again.
Preferably, the liquid in the base is high enough to submerge 1/2-2/3 of the roots of the strawberry seedlings.
Preferably, the method further comprises: and detecting the PH value and/or the conductivity of the nutrient solution in the base at preset intervals, and supplementing the nutrient solution for adjustment when the detected value does not meet the corresponding target range.
Preferably, the preparation method of the nutrient solution comprises the following steps: respectively taking mother liquor A, mother liquor B and mother liquor C of leaf vegetable nutrient solution with equal dosage, mixing uniformly, and adding clear water to dilute by 80-120 times; the conductivity of the nutrient solution is 1.2 mS/cm-2.0 mS/cm, and the pH value is 5.5-6.5.
In a preferred embodiment, the adaptation period conditions include: the temperature is kept at 20-25 ℃ for 12 hours every day, the temperature is kept at 12-18 ℃ for the other 12 hours every day, the humidity is kept at 70% -90% for 24 hours all day, the light with the ratio of red, blue and yellow being 1:1:1 is irradiated for 6-10 hours every day, clear water is circulated for 24 hours all day, fresh air is circulated for 8-16 hours every day, and the first preset number of days is 5-10 days. The conditions at the initial stage of growth include: the temperature is kept at 20-25 ℃ for 24 hours all day, the humidity is kept at 80-95% for 24 hours all day, the nutrient solution circulates 24 hours all day, the fresh air circulates 16-24 hours each day, and the light with the ratio of red, blue and yellow being 1:1:1 irradiates 12-18 hours each day.
The invention also provides a plant growth cabinet for cultivating strawberries by adopting the method, which comprises the following steps: the cabinet body, locate the internal at least one deck plant field planting module of cabinet, the liquid reserve tank of being connected through circulating line and plant field planting module, the humiture adjusting device of the internal temperature of switch board and humidity, the temperature and humidity sensor who is connected with humiture adjusting device, send into the new trend fan in the cabinet body with the new trend, drive at least one internal circulation fan of gas flow in the cabinet body, to the luminous plant culture lamp of plant field planting module.
Preferably, the cabinet body is provided with a human-computer interaction device for setting environmental factor parameters in the plant growth cabinet.
Compared with the prior art, the method has the advantages that the strawberry variety with excellent properties is selected, the proper growth environment is provided for the fixed planted strawberry seedlings through the plant growth cabinet, the survival rate of the water planted strawberry seedlings from growth to flowering is greatly improved, the functions of the plant growth cabinet are fully exerted in the cultivation process, the success rate of planting the strawberry is high, the planting enthusiasm of consumers is improved, and the popularization and the use of the plant growth cabinet are facilitated.
Detailed Description
As shown in fig. 1 and 2, the method provided by the invention is used in a plant growth cabinet, the plant growth cabinet has a temperature and humidity regulation function, a liquid circulation function, a wind circulation function and the like, and the specific structure of the plant growth cabinet comprises: the cabinet body, plant field planting module 6, liquid reserve tank 8, temperature humidity control device, temperature and humidity sensor 7, new trend fan 4, inner loop fan 5 and plant cultivation lamp 2 etc. the internal at least one deck plant field planting module 6 that is equipped with of cabinet, plant cultivation lamp 2 is luminous to plant field planting module 6 to provide suitable growth light, promote vegetation to develop. Plant field planting module 6 has base 63 and the lid 61 of cover on base 63, it has a plurality of field planting holes 62 to arrange on the lid 61, one side of base 63 is connected with the feed liquor pipe, the opposite side is connected with the drain pipe, the internal bottommost of cabinet is located to liquid reserve tank 8, the liquid pump sends the liquid suction feed liquor pipe in the liquid reserve tank 8 to the base 63 in, surpass the liquid of appointed liquid level in the base 63 and flow back to liquid reserve tank 8 from the drain pipe, the water pump is cultivated the in-process and is lasted the liquid circulation in order to keep base 63.
Temperature humidity control device is connected with temperature humidity transducer 7, temperature humidity control device is according to temperature humidity transducer 7's detected signal, the internal temperature of regulating cabinet and humidity make it satisfy the settlement condition, send into the cabinet body with external environment's air when new trend fan 4 opens, the internal air of drive cabinet flows when internal circulation fan 5 opens, internal circulation fan 5 and new trend fan 4 combined action, promote the air cycle of the internal portion of cabinet and external environment, guarantee sufficient CO2 and O2 content, internal circulation fan 5 is preferred to be set up at the top and the bottom of the cabinet body, the air cycle effect is better. The cabinet body is provided with a human-computer interaction device 1 used for setting environmental factor parameters in the plant growth cabinet, the human-computer interaction device 1 is connected with a water pump, a temperature and humidity adjusting device, a fresh air fan 4, an internal circulation fan 5 and a plant cultivation lamp 2, and a user can set five environmental factor parameters including temperature, humidity, a wind circulation period, a nutrient solution circulation period and illumination time through the human-computer interaction device 1.
In an embodiment, every plant growth cabinet has three-layer plant field planting module 6, and every layer has 16 square field planting holes 62 of 3.2 x 3.2 cm, and the interval of adjacent field planting hole 62 is 70 cm, and every layer of plant field planting module 6's top and bottom all are provided with plant cultivation lamp 2, and plant cultivation lamp 2's light source is the LED lamp, and man-machine interaction device 1 sets up at the front side top of the cabinet body, and it adopts LCD liquid crystal display.
As shown in FIG. 3, the method for improving the survival rate of the water-cultured strawberry in the plant growth cabinet comprises the following steps.
Stage before the field planting, after the disinfection of disinfecting to plant field planting module 6, the liquid reserve tank 8 of plant growth cabinet, add clear water to liquid reserve tank 8, open the water pump afterwards, go into plant field planting module 6's base 63 with the clear water pump in, treat that liquid circulation opens a period of back, rivers get into the stationary cycle state, and the liquid height in the base 63 just can submerge 1/2~2/3 of strawberry seedling root this moment.
In addition, the first strawberry seedling with the plant height of 12-18 cm after flower bud differentiation is selected, cleaned by clear water, soaked for 15-30 min by carbendazim and then cleaned by clear water again, and the operation can greatly reduce the incidence of disease of strawberries.
In the adaptive culture stage, strawberry seedlings are planted in the planting holes 62 of the plant growth cabinet in a separated mode, 1 strawberry seedling is planted in each planting hole 62, clear water is continuously pumped into the base 63 below the planting holes 62 through the water pump, environmental factor parameters in the plant growth cabinet are adjusted until the adaptation period conditions are met, and the roots of the strawberry seedlings are soaked in the clear water to be cultured for the first preset number of days.
And in the growth stage, the strawberry seedlings are cultured to the first preset number of days and then smoothly pass through the adaptive culture stage, clear water culture is changed into nutrient solution culture, nutrients are provided for the growth and development of the strawberry seedlings, nutrient solution is added into the liquid storage tank 8, a nutrient solution circulating pump is put into the base 63 below the planting hole 62, meanwhile, the environmental factor parameters in the plant growth cabinet are adjusted until the conditions of the initial growth stage are met, and the roots of the strawberry seedlings are soaked in the nutrient solution and cultured until the strawberry seedlings bloom.
And determining the survival rate of the strawberry seedlings after the strawberry seedlings bloom so as to compare whether the culture conditions of all stages are proper or not.
The preparation method of the nutrient solution comprises the following steps: respectively dissolving a certain amount of leaf vegetable A, B, C nutrient solution in 300-500 mL of water to prepare A mother solution, B mother solution and C mother solution, mixing the A mother solution, the B mother solution and the C mother solution with equal doses, uniformly mixing, and adding clear water to dilute by 80-120 times; the conductivity of the nutrient solution is 1.2 mS/cm-2.0 mS/cm, and the pH value is 5.5-6.5. It should be noted that the mother liquor of the leaf vegetables may be directly used as the mother liquor of the existing nutrient solution, and the present invention is not limited thereto.
Preferably, the method further comprises: the PH value and/or the conductivity of the nutrient solution in the base are detected at preset intervals, the nutrient solution is supplemented as required in time when the detection value does not meet the corresponding target range, so that the pH value of the nutrient solution is adjusted, the nutrient solution can be supplemented by accelerating the liquid circulation, the nutrient solution can be manually added into the liquid storage tank 8 by a user, and other adjusting means can be adopted.
In a preferred embodiment, the first preset number of days is 5-10 days, the growth of the hydroponic root is promoted, the light is properly shielded, the transpiration is reduced, and the adaptation period conditions comprise: the temperature is kept at 20-25 ℃ for 12 hours every day, the temperature is kept at 12-18 ℃ for the other 12 hours every day, the humidity is kept at 70% -90% for 24 hours all day, the light with the ratio of red, blue and yellow being 1:1:1 is irradiated for 6-10 hours every day, clear water is circulated for 24 hours all day, and fresh air is circulated for 8-16 hours every day. The conditions at the initial stage of growth include: the temperature is kept at 20-25 ℃ for 24 hours all day, the humidity is kept at 80-95% for 24 hours all day, the nutrient solution circulates 24 hours all day, the fresh air circulates 16-24 hours each day, and the light with the ratio of red, blue and yellow being 1:1:1 irradiates 12-18 hours each day. The survival rate of strawberry seedlings under the adaptation period condition and the growth initial condition is the highest and is close to 100 percent.
In another embodiment, the only difference from the preferred embodiment is that the first preset number of days is changed to 0-4 days, and the survival rate of strawberry seedlings cultured until flowering is less than 90%.
In still another embodiment, it is different from the preferred embodiment only in that the temperature in the adaptation period condition is changed to be maintained at 26 to 30 ℃ for 12 hours per day and at 12 to 18 ℃ for the other 12 hours per day, and the survival rate of strawberry seedlings when cultured until flowering is more than 90% and less than 100% in this embodiment.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.