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Vermicompost and Rice Husk Biochar Interaction Ameliorates Nutrient Uptake and Yield of Green Lettuce Under Soilless Culture


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Figure 1

Nutrient uptake (a) N, (b) P, and (c) K in green lettuce leaves at different compositions of the planting substrate M1 – growing substrate: 55% cocopeat, 15% rice husk biochar, and 30% sand, M2 – growing substrate: 55% cocopeat, 30% rice husk biochar, and 15% sand, V1–V5 – vermicompost amounts: 50, 100, 150, 200, and 250 g per pot. The means accompanied by the same letter show no significant difference in the Tukey test 5%
Nutrient uptake (a) N, (b) P, and (c) K in green lettuce leaves at different compositions of the planting substrate M1 – growing substrate: 55% cocopeat, 15% rice husk biochar, and 30% sand, M2 – growing substrate: 55% cocopeat, 30% rice husk biochar, and 15% sand, V1–V5 – vermicompost amounts: 50, 100, 150, 200, and 250 g per pot. The means accompanied by the same letter show no significant difference in the Tukey test 5%

Figure 2

Comparison of the N, P, and K uptake in green lettuce plants grown in substrates containing different proportions of rice husk biochar 15% (M1) and 30% (M2)
Comparison of the N, P, and K uptake in green lettuce plants grown in substrates containing different proportions of rice husk biochar 15% (M1) and 30% (M2)

Figure 3

Comparison of the N, P, and K uptake in green lettuce plants grown in substrates containing different amounts of vermicompost (V1–V5: 50, 100, 150, 200, and 250 g per pot)
Comparison of the N, P, and K uptake in green lettuce plants grown in substrates containing different amounts of vermicompost (V1–V5: 50, 100, 150, 200, and 250 g per pot)

The effect of growing substrate composition on yield components of green lettuce

Treatments Total fresh weight of plant (g per plant) Total dry weight of plant (g per plant) Fresh weight of marketable yield (g per plant) Fresh weight of roots (g per plant) Dry weight of roots (g per plant)
M1V1 40.71 d 3.81 b 36.64 e 4.06 b 0.37 ab
M1V2 41.46 d 3.86 b 37.21 e 4.25 b 0.38 ab
M1V3 49.99 c 4.76 ab 44.75 d 5.23 ab 0.47 ab
M1V4 51.69 c 4.68 b 47.90 cd 3.79 b 0.30 b
M1V5 54.77 bc 4.76 ab 50.99 cd 3.78 b 0.35 b
M2V1 60.15 ab 5.03 ab 53.92 bc 6.24 a 0.58 a
M2V2 61.04 ab 5.62 ab 54.73 abc 4.97 ab 0.44 ab
M2V3 62.33 ab 6.11 ab 56.28 ab 4.70 ab 0.45 ab
M2V4 66.06 a 6.38 ab 61.62 a 4.44 b 0.53 a
M2V5 59.85 ab 7.18 a 54.62 abc 3.84 b 0.45 ab
HSD 5% 8.084 2.47 7.46 1.54 0.22
M1 47.72 b 4.37 b 43.46 b 4.22 b 0.37 b
M2 61.89 a 6.06 a 56.23 a 4.84 a 0.49 a
HSD 5% 4.65 1.43 5.32 0.54 0.06
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Inglés
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2 veces al año
Temas de la revista:
Life Sciences, Biotechnology, Plant Science, Ecology, other