Yield, Yield Components, and Nutritive Value of Perennial Forage Grass Grown under Supplementary Irrigation

Table 5

Forage dry matter yield (t/ha) of perennial forage grass species evaluated under irrigation supplementation.

Species	Year				Productive phase	Combined analysis
	2017	2018	2019	2020
U. decumbens ILRI_10871	1.46^c	9.75^c	15.24^b	12.76^b	12.58^c	9.80^c
U. decumbens ILRI_13205	0.51^c	12.34^bc	23.94^b	15.19^b	17.15^bc	12.99^bc
Desho grass (var. Kindu kosha)	4.59^bc	23.37^b	27.92^b	18.85^ab	23.38^b	18.68^b
P. purpureum cv. ILRI_16791	4.79^abc	40.07^a	42.34^a	24.95^a	35.79^a	28.04^a
P. coloratum cv. Coloratum	9.51^ab	17.41^bc	16.80^b	15.95^b	16.72^c	14.92^bc
P. aquatica cv. Sirrosa	11.89^a	19.91^bc	18.80^b	12.07^b	16.92^bc	15.67^bc
C. gayana cv. Massaba	8.75^ab	17.71^bc	17.91^b	15.33^b	16.99^bc	14.93^bc
S. sphacelata ILRI_143	1.26^c	14.52^bc	14.96^b	13.15^b	14.21^c	10.97^c
S. sphacelata ILRI_6543	1.08^c	12.73^bc	15.53^b	11.32^b	13.19^c	10.16^c
Mean	4.87	18.65	21.49	15.51	18.55	15.13
CV	16.94	36.47	38.33	32.09	38.02	62.30
value	0.0248	0.0016	0.0123	0.082	<0.0001	0.0002

CV : coefficient variation. Means with the different letter are significantly different.