Research Article

Effect of Blended Nitrogen, Phosphorus, Sulfur, Boron, and Potassium Fertilizer Rates on Growth and Yield of Maize (Zea mays L.) at Sodo Zuriya District, Southern Ethiopia

Table 5

Effect of blended NPSB and K fertilizer rates on length of ear, ear diameter, rows per ear, seeds per row, seeds per ear, and TSW of maize at Shela Borkoshe during 2019 to 2020 cropping seasons.

NPSB rates (kg/ha)K rates (kg/ha)Ear length (cm)Ear diameter (cm)Rows per earSeeds per rowSeeds per earTSW (g)

0014.68J4.9012.2617.40i214.13i33.03 j
3017.80I4.9212.1322.07h264.93hi35.90ij
6021.23h5.1012.5325.40gh318.13g45.80i
9021.50h5.1612.9325.53g332.13fg61.04h

50025.17g5.1612.4025.40gh314.93gh76.74g
3025.80fg5.1613.7326.07g361.47fg88.24f
6026.20ef5.1613.8726.53g364.53g97.82ef
9026.77e5.1613.4728.33fg381.20ef101.23e

100027.00e5.1614.0030.07f420.40de104.41e
3028.90d5.1613.6031.07ef420.93de104.41e
6030.10c5.3013.6033.67de462.27d132.99c
9030.60bc5.3214.4036.73cd528.67c140.64bc

150030.80bc6.0514.4038.47bc554.00bc145.30b
3031.00bc6.0514.6738.80bc568.00bc145.38b
6031.47b6.7114.5344.86a597.20b150.17b
9032.58a8.0815.7344.88a705.87a160.67a
LSD (0.05)0.94NSNS3.4052.309.91

NPSB rates mean018.80d5.02d12.47d22.60d282.83d40.69d
5025.98c5.16c13.37c26.58c355.53c90.11c
10029.15b5.24b13.93b32.88b458.07b123.80b
15031.46a6.72a14.83a40.80a606.27a136.9a
LSD (0.05)0.470.110.471.7026.154.36

K rates mean024.41d5.32c13.27b27.83d282.83d84.95c
3025.88c5.38c13.53b29.62c355.53c95.14b
6027.25b5.57b13.67ab31.58b458.07b106.09a
9027.86a5.93a14.13a33.83a606.27a105.39a
LSD (0.05)0.470.110.471.7026.154.36
SE±1.460.260.461.6725.614.83
CV (%)2.141.274.146.647.3711.47

Values followed by the same letter (s) within a column are not significantly different at 5% probability level. NS: not significant, kg/ha: kilograms/hectare, and SE: standard error.