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Cultivation techniques of lettuce
Oct 27,2022
the technology of growing seedling Sowing was carried out in the greenhouse. Coconut bran matrix was placed in a 72-well hole dish, and then placed on a tidal Greenhouse seedbed. Nutrient solution (EC: 1.6 mS/cm, pH: 7.4) was poured to saturate the substrate with water absorption. The seeded hole plates are placed in a centralized manner according to the varieties, and the varieties and sowing dat...
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Comparison of the advantages and disadvantages of flat cultivation and A-frame hydroponic systems
Feb 07,2023
NFT is the abbreviation of Nutrient Film Technique, which is one of the important hydroponic technologies capable of commercial production. The principle behind the NFT hydroponic system is simple. It can maintain a thin water film in the NFT planting tank throughout the life cycle of the crop, and the plant roots absorb the nutrient solution flowing in the tank to obtain the required nutrients an...
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How to control the light time in the smart greenhouse?
Apr 14,2024
In fact, in the production of smart greenhouses, the lighting time is generally controlled according to the type of plants, and can also be adjusted by intermittent supplementary light or shading. By appropriately reducing the light intensity, prolonging the lighting time, increasing the proportion of scattered radiation, and alternating intermittent or weak light, the light utilization efficiency...
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Hydroponic planting techniques
Apr 23,2024
Hydroponic vegetables refer to vegetables that are cultivated under the traditional soil cultivation form, in which most of the roots grow in the nutrient liquid layer and only provide water, nutrient and oxygen through the nutrient liquid. Hydroponic leaf vegetables have the characteristics of short growth cycle, clean product, good taste and good benefit. The varieties of hydroponic vegetables a...
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Study on substrate of lettuce seedling in subtropical hydroponic culture
May 13,2024
The experiment was carried out on hydroponic lettuce seedlings by using three seedling substrates, namely phenolic foam, sponge and mixed substrate, to explore the influence of different substrates on the seedling emergence and biological yield of lettuce seedlings.。 The results showed that the effects of different substrates were significantly different: At the seedling stage, The emergence rate ...
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Effects of calcium on photosynthetic characteristics, yield and quality of celery in hydro culture
Jun 07,2024
Celery is an annual or perennial herb, rich in vitamins, minerals, flavonoids and volatile oil compounds, is one of the important edible and medicinal vegetables. In facility cultivation, the development of celery industry is restricted by diseases, lack of nutrients and high residue. Soilless cultivation can provide a good growing environment for crops, reduce the occurrence of pests and diseases...
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What is the difference between drain to waste system and recirculating system?
Jun 26,2024
Drain-to-Waste System: How It Works: Nutrient solution is delivered to the plants. Excess solution, which is not absorbed by the plants, drains away and is discarded (wasted). Fresh nutrient solution is prepared and supplied to the plants regularly. Advantages: Nutrient Consistency: Plants always receive a fresh supply of nutrients, ensuring optimal growth conditions. Simplicity: These systems are...
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What is the purpose of ebb-and-flow?
Nov 19,2024
The ebb-and-flow, also known as flood and drain, is a hydroponic system technique used for growing plants. The purpose of the ebb-and-flow system is to provide periodic flooding and draining of the plant roots with nutrient-rich water. The cycle typically involves flooding the growing tray or container with the nutrient solution, allowing the roots to uptake water and nutrients, and then draining ...
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Which is better, NFT or DWC?
Nov 25,2024
As for the comparison between NFT (Nutrient Film Technique) and DWC (Deep Water Culture), they are both popular hydroponic systems used for cultivating plants. Both methods provide a constant supply of water and nutrients to the plants without the need for soil. However, they have some differences: 1. NFT: NFT is a hydroponic system where a thin film or stream of nutrient-rich water is continuousl...
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