Table 4 shows the growth of lettuce Different types of plant material grown in hydroponics systems. The length of the I found that the lettuce varieties, Red Sea When planting began in 15 days Having grown up on the length of a is different in each of the processes. Long an average 3.12-3.17 cm, then when the 20-day-old vegetables, the processes that have been grown with a control has a value of length a largest is 4.61 cm which is different to other methods the statistical significant. When the vegetables have a 25-day-old processes that build controller. Is the length of the most highly recognized secondary 6.43 cm is grown with hydroponics. The length value is equal to 5.26 cm vary significantly, statistics. When the vegetables are age 30 day process, grown by a control has a value of length a largest is 10.19 cm secondary processes that are grown with hydroponics. The length value is equal to 8.58 cm vary significantly, statistics. When the vegetables are age 35 for the processes that control the width value is the most different with other highly significant statistical. When the vegetables are grown in 40 days in the age of the processes with the combination of control and hydro. The most valuable is 17.09 and 16.65. Cm respectively, and when the vegetables are age 45 days early vegetables in all processes that have a length of no statistical differences.
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