Evaluation of Pigeon Pea Lines for Biological Soil Decompaction

Table 3

Dry matter weights of the aerial part of the plants and of the roots in the upper and lower vermiculite layers and in the compacted soil layer, of pigeon pea plants and of Tanzania grass plants planted after the pigeon pea harvest of experiment 7.

Experiment	Genotype	Aerial part	Upper Vermiculite layer	Compacted soil block	Lower vermiculite layer
Pigeon pea	g5-94	839^a*	343^a	37^b	117^a
	g8-95	860^a	310^ab	63^a	116^a
	g124-95	717^ab	260^bc	33^b	114^a
	Fava Larga	385^b	219^c	16^b	1^a
	CV (%)	34,7	18,8	44,9	99,5
	Mean	700	283	37	87
Tanzania	g5-94	1443^aa	199^a	124^a	365^a
	g8-95	942^a	175^a	83^ab	213^a
	g124-95	766^a	164^a	67^b	196^a
	Fava Larga	1435^a	232^a	128^a	325^a
	Blank	1308^a	171^a	103^ab	300^a
	CV (%)	66,6	59,8	49,1	73,2
	Mean	1185	189	102	281

∗Means followed by different letters, in each experiment and in each column, are statistically different, by the Duncan test (P < .05). CV: coefficient of variation.