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Suggested DIY system: all hydroponics systems.
Germination temperature: The optimum temperature for germination is 15～21℃, of course, it can also be appropriately relaxed to 10～29℃.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 18-21°C, and it can also be appropriately relaxed to 13-32°C.
Nutrient solution conductivity (EC): According to observations, lettuce can grow normally in nutrient solutions with different conductivity. This range is as low as 0.7mS/cm and as high as 2.8mS/cm. Because factors such as light intensity, water quality, environment and seedling age will affect the electrical conductivity of lettuce for nutrient solution, the most suitable electrical conductivity of lettuce is 1.8-2.3mS/cm.
pH: The optimal pH of the nutrient solution is 5.5-6.0, of course, it can grow when the pH is 5.2-7.0.
Temperature: The optimum temperature for lettuce growth is 18～24℃, and it can grow when the temperature is 10～35℃.
When the planting density is higher, the basil grows better. In each hole of the plug, 5-8 seeds are sown, and thinning is not required, because some plants grow fast and some plants grow slowly.
Suggested DY system: all hydroponics systems.
Germination temperature: The optimum temperature for germination is 18～24℃.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 21～24℃, and it can also be appropriately relaxed to 15～35℃.
Electrical conductivity (EC): According to observations, basil can grow normally in nutrient solutions of different electrical conductivity. This range is as low as 0.7mS/cm and as high as 2.8mS/cm. Because factors such as light intensity, water quality, environment and seedling age will affect the conductivity of basil’s nutrient solution, the most suitable conductivity range for basil is 1.8-2.3mS/cm.
pH: The optimal pH of the nutrient solution is 5.5-6.0, and it can grow when the pH is 5.2-7.0.
Temperature: Basil grows at a maximum temperature of 21～27℃, and it can grow at a temperature of 12～38℃.
The optimal plant spacing for pepper is 46～64cm. Pepper likes light, but when the light is too strong, the spicy fruit will be sunburned. Pepper has higher requirements for oxygen demand in the rhizosphere. When irrigating peppers, it needs to be dry and wet.
Suggested DIY system: tidal irrigation system or drip irrigation system.
Germination temperature: The optimum temperature for germination is 24～27℃.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 18-21°C, and it can also be appropriately relaxed to 12-29°C.
Electrical conductivity (EC): According to observations, peppers can grow normally in nutrient solutions with different electrical conductivity. This range is as low as 0.7mScm and as high as 2.5mS/cm. Because factors such as light intensity, water quality, environment, and seedling age will affect the conductivity of peppers for nutrient solution, the most suitable conductivity for peppers is 1.4-1.8mS/cm.
pH: The optimal pH of the nutrient solution is 5.5-5.8, and it can grow when the pH is 5.0-7.0.
Temperature: The optimum temperature for pepper growth is 24℃, and it can grow at a temperature of 12～38℃.
There are many varieties of tomatoes that can be grown using hydroponics. The authors suggest that growers can choose their favorite varieties to try. Tomatoes like light, but some varieties can also adapt to low light conditions. Many guidelines suggest that when cultivating tomatoes, the temperature should be controlled at 16-24°C, but here, the author recommends keeping a higher temperature, especially for cherry tomatoes, which have higher heat resistance and can withstand temperatures above 32°C. high temperature.
Suggested DIY system: tidal irrigation system or drip irrigation system.
Germination temperature: The optimum temperature for germination is 24～27℃, and some varieties can also be appropriately relaxed to 21～33℃.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 18～24℃, and it can also be appropriately relaxed to 15～35℃.
Electrical conductivity (EC): According to observations, tomatoes can grow normally in nutrient solutions with different electrical conductivity. This range is as low as 1.2mS/cm and as high as 2.5mS/cm due to light intensity, water quality, environment, and seedling age Other factors will affect the demand for the conductivity of the nutrient solution.
pH: The optimal pH of the nutrient solution is 5.5-6.0.
Temperature: The optimum temperature for tomato growth is 15～24℃.
The strawberry canopy should be higher than the surface of the substrate and not touch the substrate. If the humidity is too high, the strawberry canopy will rot or even die.
Suggested DIY system: all cultivation systems except the bottle cultivation system.
Germination temperature: Growers can use seeds to grow strawberry seedlings, but growers usually buy adult seedlings directly. If you want to grow seedlings with seeds yourself, the recommended germination temperature is 21°C.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 15～21℃.
Conductivity (EC): The optimal conductivity of the nutrient solution is 0.8～1.2mS/cm.
pH: The optimum pH of the nutrient solution is 5.5～6.0
Temperature: The suitable temperature for strawberry growth is 15～27℃.
If you want to obtain sprouts, the growth cycle is controlled within 10-15 days, if you want to obtain small vegetables, the growth cycle is controlled within 20-25 days, if you want to obtain mature vegetables, the growth cycle is controlled within 35-60 days. Kale at the sprout and small vegetable stage can be used for salads, while the kale at the mature stage is suitable for cooking. Cold weather conditions contribute to the formation of kale blue color and flavor.
Suggested DIY system: all cultivation systems mentioned.
Germination temperature: The optimum temperature for germination is 24～30℃. When the temperature of the nutrient solution is used for irrigation, the optimum temperature of the nutrient solution is 15-24°C.
Electrical conductivity (EC): The optimal electrical conductivity of the nutrient solution is 1.2～2.3mS/cm.
23mS/cm.
pH: The optimum pH of the nutrient solution is 5.5-6.5.
Temperature: The optimum temperature for the growth of kale is 15～33℃.
Suggested DIY system: All soilless cultivation systems can be used to grow spinach, but hydroponic spinach is more difficult.
Germination temperature: The optimum temperature is 7～18℃. Spinach seeds like to cool, and when accelerating germination, keep the temperature below 27°C as much as possible.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 10-21°C.
Electrical conductivity (EC): The optimal electrical conductivity of the nutrient solution is 0.7～2.3mS/cm.
pH value: The optimum pH of the nutrient solution is 5.5-6.0.
Temperature: The temperature suitable for the growth of spinach is 18～24℃.
Germination temperature: The optimum temperature is 21～27℃.
Nutrient solution temperature: During irrigation, the optimum temperature of the nutrient solution is 15～21℃.
Electrical conductivity (EC) The optimal electrical conductivity of the nutrient solution is 0.7～2.5mS/cm, and sprouts do not require much fertilizer. In addition, even if the conductivity of the nutrient solution is high, the sprouts can grow normally.
pH value: The optimum pH of the nutrient solution is 5.5-6.0.
Temperature: The optimum temperature for the growth of sprouts is 15～24℃. (The seeds of coriander, arugula, basil and other vegetables can be used to produce seedling vegetables. One by one Luis Note)
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