Table 2 The details of fertilization in maize field from 2014 to 2018
From: Drivers of carbon flux in drip irrigation maize fields in northwest China
Year | Date | (NH4)2HPO4 (kg hm−1) | Urea (kg hm−1) | Compound fertilizer (kg hm−1) |
|---|---|---|---|---|
2014 | 10-Apr (base fertilizer) | 275.00 | 42.00 | Â |
8-Jun | Â | 150.00 | Â | |
5-Jul | Â | 120.00 | Â | |
2015 | 12-Apr (base fertilizer) | 262.50 | 37.50 | Â |
30-May | 63.00 | 9.00 | Â | |
11-Jun | 78.75 | 11.25 | Â | |
25-Jun | 168.00 | 24.00 | Â | |
9-Jul | 126.00 | 18.00 | Â | |
27-Jul | 105.00 | 15.00 | Â | |
2016 | 5-Apr (base fertilizer) | 300.00 | 225.00 | Â |
27-Jun | Â | 300.00 | Â | |
15-Jul | Â | 150.00 | Â | |
2017 | 26-Mar (base fertilizer) | 375.00 | Â | 375.00 |
15-Jun | Â | 270.00 | Â | |
30-Jun | Â | 180.00 | Â | |
2018 | 26-Mar (base fertilizer) | 375.00 | Â | 375.00 |
7-Jun | Â | 225.00 | Â | |
18-Jun | Â | 150.00 | Â | |
30-Jun | Â | 75.00 | Â |