test_data/write_eco/MZIXM048_ECO.R

In palderman/DSSAT: A Comprehensive R Interface for the DSSAT Cropping Systems Model

structure(list(`ECO#` = c("IB0001", "IB0002", "IB0003", "IB0004"
), ECONAME = c("HEAVY STEMS", "LIGHT STEMS", "MEDIUM STEMS", 
"DEFAULT"), TBASE = c(8, 8, 8, 8), TOPT = c(34, 34, 34, 34), 
    ROPT = c(34, 34, 34, 34), P20 = c(12, 12, 12, 12), DJTI = c("5   4.0", 
    "5   4.0", "5   4.0", "5   4.0"), GDDE = c(6, 6, 6, 6), DSGFT = c(170, 
    170, 170, 170), RUE = c(4.2, 4.2, 4.2, 4.2), KCAN = c(0.85, 
    0.85, 0.85, 0.85), PSTM = c(0.75, 0.1, 0.5, 0.4), PEAR = c(0.15, 
    0.15, 0.15, 0.15), TSEN = c(NA_real_, NA_real_, NA_real_, 
    NA_real_), CDAY = c(NA_real_, NA_real_, NA_real_, NA_real_
    )), class = c("DSSAT_tbl", "tbl_df", "tbl", "data.frame"), row.names = c(NA, 
-4L), v_fmt = c(`ECO#` = "%-7s", ECONAME = "%-18s", TBASE = "%5.0f", 
TOPT = "%5.0f", ROPT = "%6.0f", P20 = "%5.0f", DJTI = "%7s", 
GDDE = "%6.0f", DSGFT = "%7.0f", RUE = "%5.1f", KCAN = "%7.2f", 
PSTM = "%6.2f", PEAR = "%6.2f", TSEN = "%6f", CDAY = "%6f"), first_line = "*MAIZE ECOTYPE COEFFICIENTS: MZIXM048 MODEL", comments = c("", 
" COEFF   DEFINITIONS", " =====   ===========", " ECO#    Code for the ecotype to which a cultivar belongs (see *.cul", 
"         file)", " ECONAME Name of the ecotype, which is referenced from *.CUL file", 
" TBASE   Base temperature below which no development occurs, C", 
" TOPT    Temperature at which maximum development rate occurs during vegetative stages, C", 
" ROPT    Temperature at which maximum development rate occurs for reproductive stages, C", 
" P2O     Daylength below which daylength does not affect development rate, hours", 
" DJTI    Minimum days from end of juvenile stage to tassel initiation if the cultivar", 
" \t       is not photoperiod sensitive, days", " GDDE    Growing degree days per cm seed depth required for emergence, GDD/cm", 
" DSGFT   GDD from silking to effective grain filling period, C", 
" RUE     Radiation use efficiency, g plant dry matter/MJ PAR", 
" KCAN    Canopy light extinction coefficient for daily PAR.", 
" PSTM    Parameter controlling stem C partitioning during ISTAGES 3, 4 (0-1)", 
"          Higher PSTM, more DM into stem, less into leaves", 
" PEAR    Parameter controlling ear C partitioning during ear growth", 
"         (250 GDD before flowering-end ISTAGE 4)", " TSEN    Critical temperature below which leaf damage occurs (default 6?C)", 
" CDAY    Number of cold days parameter (default 15.0 )", "                                1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18    19"
))