From: Assessment of nitrate-N contamination in the Chunnakam aquifer system, Jaffna Peninsula, Sri Lanka
Agro well | Crop type | Area (sq.m) | Total N-load (kg) |
---|---|---|---|
C2 | |||
Onion | 1764 | 35 | |
Pumpkin | 1764 | 25 | |
Tobacco | 1764 | 175 | |
D1 | |||
Onion | 3528 | 164 | |
D2 | |||
Beet root | 441 | 330 | |
Onion | 441 | 10 | |
Pumpkin | 882 | 14 | |
Tobacco | 1323 | 43.75 | |
Tomato | 441 | 13.75 | |
D5 | |||
Amarathus | 504 | 1 | |
Beans | 504 | 1 | |
Cassava | 2016 | 175 | |
Snake gourd | 504 | 0 | |
D6 | |||
Beet root | 3326.4 | 358.25 | |
Chilli | 2520 | 56.25 | |
Onion | 1260 | 33.125 | |
E2 | |||
Beet root | 3528 | 130 | |
Onion | 441 | 13.75 | |
E5 | |||
Beet root | 2419.2 | 226.5 | |
Onion | 604.8 | 7.2 | |
Tobacco | 1209.6 | 150 | |
E6 | |||
Banana | 2016 | 100 | |
F5 | |||
Banana | 1008 | 0 | |
Leeks | 403.2 | 7.5 | |
Onion | 604.8 | 106.3 | |
Tobacco | 1008 | 15 | |
G4 | |||
Beet root | 4032 | 86 | |
Onion | 504 | 0 | |
Tobacco | 2016 | 140 | |
G5 | |||
Onion | 6753.6 | 493.1 | |
NW1 | |||
Banana | 1512 | 75 | |
NW10 | |||
Tobacco | 2016 | 268 | |
NW2 | |||
Banana | 2520 | ||
Onion | 2016 | 240 | |
NW3 | |||
Banana | 2520 | 250 | |
Beet root | 1008 | 15 | |
NW4 | |||
Banana | 1209.6 | 0 | |
Cabbage | 1209.6 | 63 | |
Pumpkin | 1209.6 | 8.4 | |
NW5 | |||
Amarathus | 705.6 | 3.5 | |
Onion | 604.8 | 7.5 | |
Tobacco | 1512 | 217.5 | |
NW8 | |||
Cassava | 2016 | 50 | |
NW9 | |||
Capsicum | 504 | 0 | |
Chilli | 504 | 0 | |
Tobacco | 2520 | 193.75 | |
Total | 73117.8 | 4302.125 |