디지털 농업: 밀 작물 모형을 이용한 의사 결정 v2
작물모형을 이용한 의사 결정을 위해 과거 40년 기상자료를 토대로 APSIM 결과 분석

모델링 - 지난 글




North Dakota Wheat growth Stage

def ndawn_stage(row):
    if row['GDD_ndawn'] >= 0 and row['GDD_ndawn'] < 538:
        return 'Sowing'
    elif row['GDD_ndawn'] >= 538 and row['GDD_ndawn'] < 967:
        return 'Tillering'
    elif row['GDD_ndawn'] >= 967 and row['GDD_ndawn'] < 1255:
        return 'Booting'
    elif row['GDD_ndawn'] >= 1255 and row['GDD_ndawn'] < 1539:
        return 'Heading'
    elif row['GDD_ndawn'] >= 1539 and row['GDD_ndawn'] < 2000:
        return 'Ripening'
    elif row['GDD_ndawn'] >= 2000:
        return 'Harvest'


dashboard_v22023-06-10 Yield

dashboard_v22022-03-01 Yield


광량 및 평균 온도

dashboard_rain_swsSoil Water Content

dashboard_rain_toplow_v2Cumilative Precipitation


thermal_radnRadiation

thermal_tavg_v2Average Temperature


강수량 및 토양 수분 분석


thermal_rain3_v2Precipitaion

thermal_soil_v2Soil Water Content


                                                               coef    std err          t      P>|t|      [0.025      0.975]
----------------------------------------------------------------------------------------------------------------------------
Intercept                                          16.2768      3.583      4.543      0.000       9.252      23.302
C(yield_rank)[T.top5]:C(ndawn_stage)[Booting]      20.2919      5.067      4.005      0.000      10.357      30.227
C(yield_rank)[T.top5]:C(ndawn_stage)[Harvest]      16.1833      7.733      2.093      0.036       1.019      31.348
C(yield_rank)[T.top5]:C(ndawn_stage)[Heading]      29.3973      5.619      5.232      0.000      18.379      40.415
C(yield_rank)[T.top5]:C(ndawn_stage)[Ripening]    -11.5366      4.829     -2.389      0.017     -21.005      -2.068
C(yield_rank)[T.top5]:C(ndawn_stage)[Sowing]     3.593e-14      2.075   1.73e-14      1.000      -4.070       4.070
C(yield_rank)[T.top5]:C(ndawn_stage)[Tillering]    20.2418      2.868      7.058      0.000      14.618      25.865
============================================================================================================================


                                                               coef    std err          t      P>|t|      [0.025      0.975]
----------------------------------------------------------------------------------------------------------------------------
Intercept                                           0.2574      0.007     35.858      0.000       0.243       0.271
C(yield_rank)[T.top5]:C(ndawn_stage)[Booting]       0.1111      0.010     10.939      0.000       0.091       0.131
C(yield_rank)[T.top5]:C(ndawn_stage)[Harvest]       0.0039      0.015      0.254      0.799      -0.026       0.034
C(yield_rank)[T.top5]:C(ndawn_stage)[Heading]       0.1093      0.011      9.710      0.000       0.087       0.131
C(yield_rank)[T.top5]:C(ndawn_stage)[Ripening]      0.0165      0.010      1.709      0.088      -0.002       0.036
C(yield_rank)[T.top5]:C(ndawn_stage)[Sowing]     2.109e-15      0.004   5.07e-13      1.000      -0.008       0.008
C(yield_rank)[T.top5]:C(ndawn_stage)[Tillering]     0.0427      0.006      7.423      0.000       0.031       0.054
============================================================================================================================