Jatropha curcas L. Root Structure and Growth in Diverse Soils

Table 2

Aboveground parameters in J. curcas seedlings grown in three different soils.

Soil type	Stem length (mm)	Root collar diameter (mm)	Stem slenderness; (cm cm^1)	Stem volume (cm^3)	Number of leaves	Leaf area (cm^2)
Sand	209.4 ± 26.6^b	12.1 ± 1.6^b	17.5 ± 2.7^a	21.71 ± 8.9^b	0.5 ± 0.8^b	29.5 ± 0.2^b
Sandy-loam	380.2 ± 88.7^a	23.4 ± 3.3^a	15.9 ± 2.9^a	118.78 ± 45.7^a	7.0 ± 2.6^a	223.0 ± 5.4^a
Clay-loam	361.6 ± 72.8^a	23.1 ± 3.0^a	15.6 ± 1.7^a	114.11 ± 46.8^a	6.8 ± 2.8^a	178.0 ± 54.9^a

^a,bMeans within a column which do not share the same letter are significantly different (𝑃 < 0.05).