Evaluation of Pigeon Pea Lines for Biological Soil Decompaction

Table 1

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 forty pigeon pea genotypes and of the Fava Larga cultivar.

	Dry matter weights (mg per cylinder)
	Aerial part		Roots
			Upper vermiculite layer		Compacted soil block		Lower vermiculite layer
Experiment 1	g1m-95	270^a*	g9m-97	1355^a	g8-95	39^a	g1m-95	28^a
	g8-95	232^ab	g8-95	1169^ab	g9m-97	19^b	g8-95	22^a
	g9m-97	211^bc	g10-94	1073^ab	g10-94	18^b	g3-94	18^a
	g3-94	205^bc	g3-94	1002^b	Fava Larga	16^b	g9m-97	17^a
	Fava Larga	199^bc	g1m-95	952^b	g1m-95	13^b	Fava Larga	16^a
	g10-94	174^c	Fava Larga	878^b	g3-94	12^b	g10-94	15^a
	CV (%)	22,6	CV (%)	26,8	CV (%)	97,3	CV (%)	123,1
	Mean	215	Mean	1071	Mean	19	Mean	19
Experiment 2	g121-99	366^a	g29m-94	1571^a	g29m-94	15^a
	g48-95	352^ab	g40-95	1024^b	Fava Larga	13^ab
	g57-95	307^abc	g48-95	952^bc	g129-99	10^abc
	g19m-95	295^abc	g57-95	861^bc	g48-95	8^bcd
	g129-99	279^bc	Fava Larga	812^bcd	g109-99	8^bcd
	g29m-94	263^cd	g19m-95	730^b-e	g121-99	7^bcd
	g59-95	256^cd	g121-99	677^b-f	g119-99	7^cd
	g40-95	242^cd	g129-99	631^c-f	g57-95	6^cd
	Fava Larga	231^cd	g119-99	511^def	g108-99	6^cd
	g108-99	192^cd	g59-95	468^def	g19m-95	6^cd
	g109-99	142^e	g108-99	386^ef	g40-95	5^cd
	g119-99	117^e	g109-99	367^f	g59-95	4^d
	CV (%)	20,4	CV (%)	24,4	CV (%)	50,4
	Mean	254	Mean	750	Mean	8
Experiment 3	g29b-94	511^a	g27b-94	1025^a	Fava Larga	35^a	g146-97	1^a
	Fava Larga	507^a	g29b-94	973^a	g66-95	29^ab	g29b-94	1^a
	g186-99	421^a	Fava Larga	852^ab	g137-99	21^ab	g186-99	1^a
	g27b-94	416^a	g66-95	759^bc	g27b-94	20^ab	g27b-94	0^a
	g66-95	407^a	g149-99	704^bcd	g146-97	19^ab	g138-99	0^a
	g149-99	360^a	g146-97	626^bcd	g149-99	18^ab	g66-95	0^a
	g138-99	347^a	g137-99	563^cde	g138-99	16^ab	g149-99	0^a
	g142-95	329^a	g186-99	507^de	g167-97	15^b	g142-95	0^a
	g137-99	309^a	g138-99	485^de	g29b-94	13^b	Fava Larga	0^a
	g146-97	292^a	g142-95	481^de	g142-95	12^b	g137-99	0^a
	g167-97	292^a	g167-97	407^e	g186-99	11^b	g167-97	0^a
	CV (%)	35,9	CV (%)	20,9	CV (%)	65,1	CV (%)	211,5
	Mean	381	Mean	671	Mean	19	Mean	0
Experiment 4	g118-97	240^a	g5-94	2360^a	g5-94	19^a	g58-95	3^a
	g47-94	224^ab	g39-94	2029^a	g124-95	19^ab	g124-95	1^a
	g124-95	224^ab	g18-95	1167^b	Fava Larga	15^abc	g5-94	0^a
	g6-95	218^ab	g47-94	1149^b	g58-95	14^abc	g118-97	0^a
	Fava Larga	217^abc	g19b-94	911^bc	g39-94	12^abc	g47-94	0^a
	g39-94	169^bcd	g6-95	832^bc	g19b-94	10^abc	g19b-94	0^a
	g5-94	153^bcd	g124-95	759^c	g118-97	10^bc	g127-97	0^a
	g19b-94	146^cd	Fava Larga	726^c	g18-95	9^c	g39-94	0^a
	g127-97	135^cd	g127-97	623^c	g17c-94	7^c	g17c-94	0^a
	g17c-94	135^cd	g58-95	620^c	g6-95	7^c	g18-95	0^a
	g58-95	129^d	g118-97	565^c	g127-97	6^c	Fava Larga	0^a
	g18-95	127^d	g17c-94	524^c	g47-94	6^c	g6-95	0^a
	CV (%)	28,0	CV (%)	21,0	CV (%)	50,4	CV (%)	399,0
	Mean	176	Mean	1055	Mean	11	Mean	0
Experiment 5	g101-97	262^a	g5-94	1497^a	g5-94	16^a
	g5-94	222^a	g168-97	669^b	Fava Larga	14^a
	Fava Larga	222^a	g184-97	664^b	g101-97	14^a
	g168-97	222^a	Fava Larga	649^b	g154-97	9^b
	g184-97	200^a	g101-97	603^b	g168-97	7^b
	g154-97	194^a	g154-97	410^b	g184-97	7^b
	CV (%)	22,7	CV (%)	53,3	CV (%)	31,1
	Mean	220	Mean	755	Mean	10

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