Environmental Systems Research

Table 5 Straw yield (kg/ha) and Harvest index as affected by N and K fertilizer rates

From: Nutrient uptake, use efficiency and productivity of bread wheat (Triticum aestivum L.) as affected by nitrogen and potassium fertilizer in Keddida Gamela Woreda, Southern Ethiopia

N rates(kg ha⁻¹)	Straw yield (kg ha⁻¹)	Harvest index (HI %)
0	3342.7^c	31^c
23	3552.9^c	39^b
46	4600.8^b	44^a
69	5118.4^a	41^ab
LSD_0.05	424.81	4.00
K rates(kg ha⁻¹)
0	4020	36^b
30	4379.9	41 ^a
60	4061.1	39^ab
LSD_0.05	NS	3.00
CV (%) S	12.52 519.8	11.6 4.5

Means followed by the same letters within a column are not significantly different at 5% probability level * and **, significant at 5 and 1% level of significance, respectively, ns nonsignificant difference, CV (%) coefficient of variation in percent, S standard deviation

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