Sfgate home guides suggests that spacing should be 8-12″ (20-30cm). bernard kratky himself, the founder of the kratky hydroponic method, wrote in a paper: “two common planting densities for lettuce are 1.5 and 1.9 plants per square foot”. bernard kratky. that calculates to one lettuce every 6-8″ (12-20cm) for commercial growth.. For row crops, space plants 6-12 inches apart in rows at 18-inch intervals. here is a quick reference guide to spacing lettuce: looseleaf lettuce – 2-4 inches apart; butter lettuce – 6-8 inches apart; crisp head lettuce – 12-18 inches apart; hydroponics. some lettuces grown in hydroponic systems are placed much closer together.. Growing of lettuce in recirculating hydroponic system at spacing of 50 plants m -2 significantly increased yield and yield components (maboko and plooy, 2009). frezza et al. (2005) found that.
The spacing of looseleaf lettuce depends on how you will harvest it. if you plan on taking the outer leaves off and leaving the plant to grow, then spacing them is less of an issue. these lettuce plants can be as close as 3 inches from each other.. She’s setting up a small hydroponic herb garden build and wanted to know how she should space her plants. replacing soil with hydroponics. the question, “what do i need to know about plant spacing in hydroponics?” is a tough question to answer unless we understand a couple simple concepts first.. Spacing of plants is an important aspect that needs to be carefully considered and properly addressed for a successful hydroponic system. in the event that plants are grown too close to one another, they will likely receive less than the required amount of light..
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