Sand-water culture method for culturing peanut seedlings
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A technique of peanut and sand water, applied in the field of hydroponics and sand culture, which can solve the problems of increasing system error, increasing salt concentration of the treatment group, unfavorable problems, etc., to achieve the effects of ensuring growth speed, improving controllability, and facilitating production
Active Publication Date: 2019-11-15
SHANDONG AGRICULTURAL UNIVERSITY
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Problems solved by technology
The method of using the screen, because the fixing of the screen will bring troubles to the use, such as placing seeds, supplementing or replacing the culture medium, etc., especially for the dynamic observation of root growth; when using foam boards, the foam boards are easy to break And it is not conducive to high-throughput large-scale standardized testing and dynamic observation of root growth
If the open container is not well covered during cultivation, the water evaporation will be large, and it will easily cause the salt concentration in the treatment group to increase, thereby increasing the system error and affecting the test results.
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Embodiment 1
[0045] A method for cultivating peanut seedlings in sand hydroponics, wherein the cultivation temperature is controlled at 26±1°C, the humidity is maintained at 50%±2%, and the photoperiod is 18h / 6h. Specific steps are as follows:
[0046] Step 1: Wash 30-50 mesh quartz sand with tap water until the water is completely clear, then drain, and expose to the sun for two days before use.
[0047] Step 2: Select uniform and plump peanut seeds, and use carbendazim dry powder to dress the seeds to prevent and control crop diseases caused by fungi.
[0048] Step 3: Soak the prepared quartz sand with deionized water, then remove it from the water and drain until it stops dripping, take a sand culture box 1 with a hole in the bottom, and lay a layer of 1cm thick wet quartz sand on the bottom .
[0049] Further, the structure of the sandpocket box 1 can be found in Figure 4 and Figure 5 , its bottom is provided with 20 radicle holes 12, and the radicle holes 12 are evenly distribut...
Embodiment 2
[0060] A method for cultivating peanut seedlings in sand hydroponics, wherein the cultivation temperature is controlled at 26±1°C, the humidity is maintained at 50%±2%, and the photoperiod is 18h / 6h. Specific steps are as follows:
[0061] Step 1: Wash the quartz sand with tap water until the water is completely clear, then drain the water, expose it to the sun for three days, and use it for later use. In this example, three particle size grades of quartz sand are used, and the weight ratio is -30 mesh to +35 mesh. Accounted for 15%, -35 mesh ~ +40 mesh accounted for 25%, -40 mesh ~ +45 mesh accounted for 60% (each mass proportion can be ± 3%), screening and grade ratio can be carried out before cleaning or It can be done after washing, and it is better to do it after washing.
[0062] Step 2: Select uniform and plump peanut seeds, and use carbendazim dry powder to dress the seeds to prevent and control crop diseases caused by fungi.
[0063] Step 3: Soak the prepared quartz...
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Abstract
Provided is a sand-water culture method for culturing peanut seedlings. The method includes the following steps of washing quartz sand, conducting seed dressing, laying the quartz sand in a sand culture box (1), placing peanut seeds, continuing to use the quartz sand for covering the peanut seeds, placing the sand culture box (1) into a water culture box (2), erecting a shed (3), then, removing amulching film, and replacing a culture solution. According to the method, sand culture and water culture are combined for use, the sand is arranged above water (the culture solution), not only is vertical growth of the peanut seedlings ensured, but also it is convenient to take out the sand culture box to replace the culture solution, and take samples to observe peanut stress philosophy and influences of nutrient elements on peanut growth; by strictly controlling environment conditions of the peanut seedlings and scientifically designing plant spacing, covering conditions, ventilation conditions and light transmission conditions, the culture success rate and the growth speed of the seedlings are ensured, culture condition controllability and the accuracy of results are improved, and the sand culture box, the water culture box, the shed and the like which are adopted during culture are simple in structure, convenient to produce and suitable for application and popularization.
Description
technical field [0001] The invention relates to the technical field of hydroponics and sand culture at the seedling stage of crops, in particular to a sand hydroponics cultivation method for peanut seedlings which are used in combination with a sand culture box and a hydroponics box. Background technique [0002] In laboratory experiments, hydroponics and sand culture methods are mainly used when studying the regulation of crop seedling stress physiology or nutrient elements on growth. [0003] Hydroponics is the use of water to grow crops. Because the nutrients absorbed by the crops must be soluble in water, the nutrient absorption of the plants in this method is very fast, and the crops grow very fast. But water is a kind of fluid, which has no function of supporting crops to stand upright, making it difficult for crops to grow upright normally. In addition, crops soaked in water for a long time may rot due to lack of oxygen in the roots. [0004] The sand for sand culti...
Claims
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Application Information
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