Effect of sulfur fertilization on the physical and chemical properties of crambe (Crambe abyssinica Hochst ex R.E. Fries) seeds | OCL

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Table 1

Properties of crambe seeds subjected to sulfur fertilization.

Physical properties

Sample	1000 seed weight, g		Bulk density, g cm⁻³	True density, g cm⁻³	Porosity, %
0S	6.93 ^a		0.625 ^a	0.979 ^a	36.2 ^a
15S	7.29 ^b		0.625 ^a	0.970 ^a	35.6 ^a
30S	8.04 ^c		0.619 ^a	0.964 ^a	35.8 ^a
Linear dimensions

	L, mm	S, mm	F, mm²	U_g, mm	M_max, mm

0S	2.20 ^a	1.90 ^a	3.53 ^a	18.05 ^a	1.18 ^a
15S	2.20 ^a	1.92 ^a	3.56 ^a	18.07 ^a	1.18 ^a
30S	2.24 ^a	1.95 ^a	3.67 ^a	18.49 ^b	1.21 ^a
Shape factors

	W₄−	W₅−	W₆−	W₁₃−	R_B−

0S	2.69 ^a	0.93 ^a	0.42 ^a	0.68 ^a	1.84 ^a
15S	2.69 ^a	0.94 ^a	0.41 ^a	0.66 ^a	1.85 ^a
30S	2.70 ^b	0.94 ^a	0.42 ^a	0.66 ^a	1.87 ^a
Chemical properties

		Crude fat, g kg⁻¹ DM		Crude protein, g kg⁻¹ DM

0S		349.8 ^a		241.0 ^a
15S		368.9 ^b		244.3 ^b
30S		377.9 ^c		250.3 ^c

denote homogeneous groups, P ≤ 0.05.

L: length; S: width; F: surface area; U_g: object boundary specific perimeter; M_max: maximum Martin radius; W₄−: folding factor; W₅−: mean thickness factor; W₆−: compactness; W₁₃−: roundness; R_B−: Blair–Bliss coefficient.

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