Table 4 Grain protein content (%) and content oil (%) of maize as affected by irrigation intervals and foliar application of K-silicates in the 2017 and 2018 seasons.
Treatments | 2017 | 2018 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Characters | Irrigation intervals (I) | Foliar application of K-silicate (K2SiO3) | L.S.D.0.05 | Foliar application of K-silicate (K2SiO3) | L.S.D.0.05 | ||||||||||||
S1 (once) | S2 (twice) | S3 (three times) | S4 (control) | Average (I) | I | S | I × S | S1 (once) | S2 (twice) | S3 (three times) | S4 (control) | Average (I) | I | S | I × S | ||
Grain protein content (%) | I1 (10 days) | 9.2 | 9.7 | 9.9 | 8.9 | 9.4 | 9.4 | 9.8 | 10.0 | 9.0 | 9.5 | ||||||
I2 (15 days) | 9.6 | 9.8 | 11.0 | 10.0 | 10.1 | 0.5 | 0.7 | 1.1 | 10.1 | 10.5 | 11.2 | 9.2 | 10.2 | 0.4 | 0.6 | 1.0 | |
I3 (20 days) | 9.7 | 10.2 | 10.4 | 8.9 | 9.8 | 10.0 | 10.1 | 10.1 | 8.8 | 9.8 | |||||||
Average | 9.5 | 9.9 | 10.5 | 9.3 | 9.8 | 10.1 | 10.4 | 9.0 | |||||||||
Grain oil content (%) | I1 (10 days) | 3.6 | 3.6 | 3.9 | 3.3 | 3.6 | 3.6 | 3.6 | 3.9 | 3.4 | 3.6 | ||||||
I2 (15 days) | 3.4 | 3.5 | 3.7 | 3.4 | 3.5 | 0.3 | 0.4 | 0.5 | 3.4 | 3.6 | 3.8 | 3.5 | 3.6 | 0.3 | 0.3 | 0.6 | |
I3 (20 days) | 3.3 | 3.3 | 3.2 | 3.2 | 3.3 | 3.3 | 3.2 | 3.3 | 3.3 | 3.3 | |||||||
Average | 3.4 | 3.5 | 3.6 | 3.3 | 3.5 | 3.5 | 3.7 | 3.4 | |||||||||