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 10

Mean values of grain yield as affected by the interaction effect of variety × NPS × N in the 2018 and 2019 cropping seasons.

Treatments			Grain yield (t ha^−1)
Variety	NPS rate (kg ha^−1)	N rate (kg ha^−1)	2018	2019
Baate	50	43.5	3.0^bcde	6.5^bc
		87	2.8^de	6.2^bcd
		130.5	3.1^abcde	6.5^bc
	100	43.5	3.5^abcd	6.3^bcd
		87	3.2^abcde	7.7^b
		130.5	3.7^abc	6.6^bc
	150	43.5	2.9^cde	5.0^cd
		87	3.9^a	6.6^bc
		130.5	2.8^de	9.7^a
Melkasa 2	50	43.5	2.6^e	4.6^d
		87	3.8^ab	5.7^cd
		130.5	3.2^abcde	5.0^cd
	100	43.5	3.2^abcde	5.4^cd
		87	3.5^abcd	5.3^cd
		130.5	3.5^abcd	5.1^cd
	150	43.5	3.3^abcde	5.8^cd
		87	2.7^de	5.2^cd
		130.5	3.4^abcde	5.7^cd
LSD (0.05)			0.86	1.65
CV (%)			15.9	16.4

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.