Deleted bug that caused errors when using N fertilization as input from a parameters in the N external inputs.
Also changed the reading of Manure input PG-file to correctly read only one full day when using irregular input of time points in the input file.
The N Fertilization was also introduced as one additional input in the PG-File.
See the switch N Fertilization. Id Code to identify N fertilization in the file is FERTILIZER.
See also news from 04-09-06. PEJ