Growth, Yield-Related Traits and Yield of Lowland Maize (Zea mays L.) Varieties as Influenced by Inorganic NPS and N Fertilizer Rates at Babile, Eastern Ethiopia

Table 11

Harvest index as affected by three-way interaction of variety, NPS, and N in both seasons.

Treatments			Harvest index (%)
Variety	NPS rate (kg ha^−1)	N rate (kg ha^−1)	2018	2019
Baate	50	43.5	35^abcde	43^bcd
		87	33^bcde	43^bcd
		130.5	34^abcde	45^bcd
	100	43.5	37^abcde	45^bcd
		87	31^cde	41^cde
		130.5	29^e	47^abcd
	150	43.5	32^cde	32^e
		87	28^e	40^cde
		130.5	30^de	54^a
Melkasa 2	50	43.5	42^ab	41^cde
		87	42^ab	50^ab
		130.5	39^abcd	42^bcd
	100	43.5	39^abcd	43^bcd
		87	43^a	43^bcd
		130.5	43^a	48^abc
	150	43.5	41^abc	42^bcd
		87	36^abcde	42^bcd
		130.5	39^abcd	39^de
LSD (0.05)			0.05	0.09
CV (%)			8.6	12.3

Means in the columns following the same letter are not statistically significant at the 0.05 probability level. LSD = least significant difference; CV = coefficient of variation.