Table 5: Maize grain and straw potassium (K), Sulfur (S), and boron (B) concentration and uptake.
|
Treatments kg ha-1) |
Nutrient uptake kg ha-1 |
||||||||
|
K |
S |
B |
|||||||
|
Grain |
Straw |
Biomass |
Grain |
Straw |
Biomass |
Grain |
Straw |
Biomass |
|
|
Control |
16.33 |
58.72 |
75.05 |
3.27 |
2.67 |
5.94 |
0.89 |
0.76 |
1.65 |
|
200 urea + 150 TSP |
34.1 |
104.72 |
138.82 |
6.72 |
5.6 |
12.32 |
1.55 |
2.8 |
4.35 |
|
150 NPSB + 100 Urea + 100 KCl |
80.18 |
171.81 |
251.99 |
11.25 |
8.01 |
19.26 |
2.81 |
4.37 |
7.18 |
|
200 NPSB + 100 Urea +100 KCl |
97.01 |
239.15 |
336.16 |
13.27 |
11.39 |
24.65 |
3.32 |
5.25 |
8.57 |
|
250 NPSB + 100 Urea +100 KCl |
90.05 |
233.49 |
323.54 |
12.36 |
10.42 |
22.78 |
3.53 |
5.2 |
8.74 |
|
150 NPSB + 150 Urea + 100 KCl |
92.15 |
189.35 |
281.5 |
13.74 |
9.3 |
23.04 |
3.23 |
5.08 |
8.31 |
|
200 NPSB + 150 Urea +100 KCl |
71.7 |
220.94 |
292.64 |
13.58 |
9.86 |
23.44 |
3.02 |
4.11 |
7.13 |
|
250 NPSB + 150 Urea + 100 KCl |
68.45 |
211.58 |
280.03 |
12.93 |
8.92 |
21.85 |
3.04 |
4.05 |
7.1 |
K = potassium, S = Sulfur, B = boron, biomass (Grain + straw uptake),