Plant Growth in Aquaponic System through Comparison of Different ...

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gravel. When the plants grown in gravel were compared to plants grown in soil, there was no significant difference. For the shoot biomass, there was again a strong significance in plants grown in soil compared to plants grown in fiber and plants grown in fiber compared to those grown in gravel. There was no significant difference in plants grown in gravel and plants grown in soil. The results of the comparisons of root biomass between the three media showed there was only a statistical significance between the plants grown in the fiber and the plants grown in the gravel. Table 3- Comparison showing P-values for radish plants in different media grown in the Floating Raft and NFT. Floating Raft NFT Total Biomass Gravel to Soil 0.15 0.07 Soil and Coconut Fiber
along with plants grown in gravel and plants grown in soil. Again there was no statistical difference between radishes grown in fiber and radishes grown in gravel. Lettuce Weights in the Floating Raft System For all three treatments, the majority of the weight of the lettuce came from the shoots of the plant (Table 4). The greatest total weight was seen in lettuce plants grown in soil, with gravel close behind. Gravel as a media did not result in great overall growth for lettuce. Table 4- Average weights for lettuce in the Floating Raft system MEDIA TOTAL (g) SHOOTS (g) ROOTS (g) GRAVEL 1.52 0.92 0.60 FIBER 0.84 0.59 0.24 SOIL 2.07 1.30 0.77 Lettuce Weights in the NFT For all three treatments, a majority of the weight of the lettuce came from the shoots of the plant (Table 5). Soil noticeably resulted in the greatest overall growth in both leaves and roots, and thus total weight (14.38 g). Table 5- Average weights for lettuce in the NFT MEDIA TOTAL (g) SHOOTS (g) ROOTS (g) GRAVEL 1.36 1.04 0.32 FIBER 0.07 0.04 0.03 SOIL 14.38 10.65 3.73
Page 1 and 2: Plant Growth in Aquaponic System th
Page 3 and 4: minimizing nutrient inputs and the
Page 5 and 6: There are many different medias in
Page 7 and 8: Figure 4 - Lettuce plant grown in t
Page 9 and 10: number that corresponded to a pot o
Page 11 and 12: of this time difference, because it
Page 13 and 14: height (cm) height (cm) 25 20 15 10
Page 15: Table 1- Average biomass for radish
Page 19 and 20: soil and lettuce grown in coconut f
Page 21 and 22: into the water, providing the plant
Page 23: References Denckia, T.L.K. (2003).

Plant Growth in Aquaponic System through Comparison of Different ...

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