If the first crop is not a legume, the program automatically assumes that there is no N fixation. This (and other options such as different planting dates) should be allowed to be defined per crop or by the whole system.
Verify IPSIM lines 223 to 228.
SELECT CASE (CROP) CASE ('BN','SB','PN','PE','CH','PP', & 'VB','CP','CB','FB','GB','LT','AL','BG') C & 'VB','CP','CB','FB','GB','LT') ! Do nothing -- these crops fix N and can have Y or NCASE DEFAULT; ISWSYM = 'N
If the first crop is not a legume, the program automatically assumes that there is no N fixation. This (and other options such as different planting dates) should be allowed to be defined per crop or by the whole system. Verify IPSIM lines 223 to 228.
SELECT CASE (CROP) CASE ('BN','SB','PN','PE','CH','PP', & 'VB','CP','CB','FB','GB','LT','AL','BG') C & 'VB','CP','CB','FB','GB','LT') ! Do nothing -- these crops fix N and can have Y or NCASE DEFAULT; ISWSYM = 'N