TABEL PERHITUNGAN KEBUTUHAN AIR TANAMANTANAMAN PADI (120 HARI)OKTNOVDESJANFEBMARAPRMEIJUNJULAGTSEPKET.

EVAPORASI (Eo)4.8044.9774.9814.2514.4414.4553.7783.9094.0583.7074.3694.745HASIL PERHITUNGAN mm/hari

PERKOLASI (P)1.001.001.001.001.001.001.001.001.001.001.001.00

Eo+P5.86.06.05.35.45.54.84.95.14.75.45.7

Rh=HUJAN(1 IN 5 DRY)=XT/JML HARI1.7487.6066.6957.1628.75.8644.1961.7171.1910.6460.4810.517

Faktor Hujan dengan 2 gol (FH) tiap 2 mingguan10.18HUJAN EFEKTIF Re= hujan * FH0.3151.3691.2051.2891.5661.0560.7550.3090.2140.1160.0870.093

20.530.9264.0313.5483.7964.6113.1082.2240.9100.6310.3420.2550.274

30.550.9614.1833.6823.9394.7853.2252.3080.9440.6550.3550.2650.284

40.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207TABEL 1.c

50.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207mm/hari

60.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207

70.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207

80.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207

90.40.6993.0422.6782.8653.4802.3461.6780.6870.4760.2580.1920.207

100.20.3501.5211.3391.4321.7401.1730.8390.3430.2380.1290.0960.103

KOEFISIEN TANAMAN (Kt)11.2Evapotranspirasi Et = Eo * KT5.7655.9725.9775.1015.3295.3464.5344.6914.8704.4485.2435.694

21.25.7655.9725.9775.1015.3295.3464.5344.6914.8704.4485.2435.694

31.326.3416.5706.5755.6115.8625.8814.9875.1605.3574.8935.7676.263

41.46.7266.9686.9735.9516.2176.2375.2895.4735.6815.1906.1176.643TABEL 1.b

51.356.4856.7196.7245.7395.9956.0145.1005.2775.4785.0045.8986.406mm/hari

61.245.9576.1716.1765.2715.5075.5244.6854.8475.0324.5975.4185.884

71.125.3805.5745.5794.7614.9744.9904.2314.3784.5454.1524.8935.314

800.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000

Re ke1 Pengolahan tanah untuk tanaman Padi kejenuhan 200 mm 2 minggu ILP1(TABEL 7)10.0010.1010.109.659.709.809.409.409.509.409.709.95TABEL ZYLSTRA Berdasarkan Eo+P mm/hari

LP1-RE1 =A=Ir9.698.738.898.368.138.748.649.099.299.289.619.86

A*0.116 =B1.121.011.030.970.941.011.001.051.081.081.121.14

B*1.25 =C1.401.271.291.211.181.271.251.321.351.351.391.43

C*1.15 =D1.621.461.481.391.361.461.441.521.551.551.601.64

D*1.1=E1.781.601.631.531.491.601.591.671.701.701.761.81

Re ke2 Pengolahan tanah untuk tanaman Padi kejenuhan 200 mm 2 minggu IILP2(TABEL 7)10.0010.1010.109.659.709.809.409.409.509.409.709.95

LP2-RE2 =A=Ir9.076.076.555.855.096.697.188.498.879.069.459.68

A*0.116 =B1.050.700.760.680.590.780.830.981.031.051.101.12

B*1.25 =C1.320.880.950.850.740.971.041.231.291.311.371.40

C*1.15 =D1.511.011.090.980.851.121.201.421.481.511.571.61

D*1.1 =E1.661.111.201.070.931.231.321.561.631.661.731.77

Pertumbuhan 2 minggu I Re ke3 ET ke 1 w=3,3333Et1+P+W-RE3 =A=Ir9.136.126.625.494.876.456.568.088.548.429.319.74W=3.33 mm/hari kebutuhan air untuk penggantian air genangan saat pemupukan

A*0.116 =B1.060.710.770.640.570.750.760.940.990.981.081.13

B*1.25 =C1.320.890.960.800.710.940.951.171.241.221.351.41

C*1.15 =D1.521.021.100.920.811.081.091.351.421.401.551.62

D*1.1 =E1.681.121.221.010.891.181.201.481.571.551.711.79

Pertumbuhan 2 minggu II Re ke4 ET ke 2 w=3,3333Et2+P+W-RE4=A=Ir9.407.267.636.576.187.337.198.338.728.529.389.82

A*0.116 =B1.090.840.880.760.720.850.830.971.010.991.091.14

B*1.25 =C1.361.051.110.950.901.061.041.211.261.241.361.42

C*1.15 =D1.571.211.271.091.031.221.201.391.451.421.561.64

D*1.1 =E1.721.331.401.201.131.341.321.531.601.561.721.80

TANAMAN PADI (120 HARI)OKTNOVDESJANFEBMARAPRMEIJUNJULAGTSEPKETERANGAN

Pertumbuhan 2 minggu III Re ke5 ET ke 3 w=3,3333Et3+P+W-RE5=A=Ir9.977.868.237.086.717.877.648.809.218.969.9010.39A= mm/hari

A*0.116=B1.160.910.950.820.780.910.891.021.071.041.151.20B= lt/dt

B*1.25=C1.451.141.191.030.971.141.111.281.341.301.441.51C= lt/dt

C*1.15=D1.661.311.371.181.121.311.271.471.541.491.651.73D= lt/dt

D*1.1=E1.831.441.511.301.231.441.401.611.691.641.821.91E= lt/dt

Pertumbuhan 2 minggu IV Re ke6 ET ke 4 w=3,3333Et4+P+W-RE6=A=Ir10.368.268.637.427.078.227.949.129.539.2610.2510.77

A*0.116=B1.200.961.000.860.820.950.921.061.111.071.191.25

B*1.25=C1.501.201.251.081.021.191.151.321.381.341.491.56

C*1.15=D1.731.381.441.241.181.371.321.521.591.541.711.80

D*1.1=E1.901.511.581.361.301.511.461.671.751.701.881.97

Pertumbuhan 2 minggu V Re ke7 ET ke 5Et5+P-RE7=A=Ir6.794.685.053.873.524.674.425.596.005.756.717.20

A*0.116=B0.790.540.590.450.410.540.510.650.700.670.780.84

B*1.25=C0.980.680.730.560.510.680.640.810.870.830.971.04

C*1.15=D1.130.780.840.650.590.780.740.931.000.961.121.20

D*1.1=E1.240.860.930.710.640.860.811.031.101.051.231.32

Pertumbuhan 2 minggu VI Re ke8 ET ke 6Et6+P-RE8=A=Ir6.264.134.503.413.034.184.015.165.565.346.236.68

A*0.116=B0.730.480.520.400.350.480.460.600.640.620.720.77

B*1.25=C0.910.600.650.490.440.610.580.750.810.770.900.97

C*1.15=D1.040.690.750.570.500.700.670.860.930.891.041.11

D*1.1=E1.150.760.830.620.560.770.730.951.020.981.141.22

Pertumb. 2 minggu VII Re ke9 ET ke 7Et6+P-RE9=A=Ir6.264.134.503.413.034.184.015.165.565.346.236.68

A*0.116=B0.730.480.520.400.350.480.460.600.640.620.720.77

B*1.25=C0.910.600.650.490.440.610.580.750.810.770.900.97

C*1.15=D1.040.690.750.570.500.700.670.860.930.891.041.11

D*1.1=E1.150.760.830.620.560.770.730.951.020.981.141.22

Pertumb. 2 minggu VIII Re ke10 ET ke 8Et6+P-RE10=A=Ir6.615.655.844.844.775.354.855.505.795.476.326.78

A*0.116=B0.770.660.680.560.550.620.560.640.670.630.730.79

B*1.25=C0.960.820.850.700.690.780.700.800.840.790.920.98

C*1.15=D1.100.940.970.810.790.890.810.920.970.911.051.13

D*1.1=E1.211.041.070.890.870.980.891.011.061.001.161.24