Scribd Logo
Upload

Welcome to Scribd!

  • 12 views

    Irigasi e

    Uploaded by

    rajaguguk '
    The document provides calculations and parameters for water requirements for crop cultivation over multiple months and seasons. It includes variables like evapotranspiration rate, free evaporation, percolation, water replacement quantity, crop coefficient, and consumptive water use. The final section calculates the design discharge rate required for irrigating 3000 hectares of land based on the other parameters.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Irigasi e

    Uploaded by

    rajaguguk '
    12 views1 page
    The document provides calculations and parameters for water requirements for crop cultivation over multiple months and seasons. It includes variables like evapotranspiration rate, free evaporation, percolation, water replacement quantity, crop coefficient, and consumptive water use. The final section calculates the design discharge rate required for irrigating 3000 hectares of land based on the other parameters.

    Original Title

    irigasi e

    Copyright

    © © All Rights Reserved

    Available Formats

    PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    The document provides calculations and parameters for water requirements for crop cultivation over multiple months and seasons. It includes variables like evapotranspiration rate, free evaporation, percolation, water replacement quantity, crop coefficient, and consumptive water use. The final section calculates the design discharge rate required for irrigating 3000 hectares of land based on the other parameters.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    12 views1 page

    Irigasi e

    Uploaded by

    rajaguguk '
    The document provides calculations and parameters for water requirements for crop cultivation over multiple months and seasons. It includes variables like evapotranspiration rate, free evaporation, percolation, water replacement quantity, crop coefficient, and consumptive water use. The final section calculates the design discharge rate required for irrigating 3000 hectares of land based on the other parameters.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    8.

    LUAS LAHAN 3000 Ha (TAMBAHKAN 2 ANGKA BELAKANG NIM ANDA TANPA KOMA)
    HITUNG DR = NFR/0.84, DIMANA 0.84 ADALAH KOEFISIEN

    BULAN
    MUSIM TANAM I MUSIM TANAM II MUSIM TANAM III
    No. Parameter Keterangan Satuan
    Mar Apr Mei Jun Jul Aug Sep Oct Nov Dec Jan Feb
    1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
    1 Luas Lahan ha 3007
    LP PADI LP PADI LP PALAWIJA
    Pola Tanam Alternatif
    2
    3 Masa pengolahan tanah 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30
    4 Keb. Air penjenuhan + Lap air (S) 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250

    5 Eto (Penmann) Evapotranspirasi mm/hr 3.0 3.0 2.6 2.6 2.4 2.4 2.3 2.3 2.3 2.3 2.8 2.8 3.3 3.3 3.3 3.3 3.3 3.3 3.2 3.2 3.2 3.2 3.3 3.3 v
    6 Eo = 1,1 . Eto Evaporasi Bebas mm/hr 3.3 3.3 2.8 2.8 2.6 2.6 2.5 2.5 2.6 2.6 3.1 3.1 3.6 3.6 3.7 3.7 3.6 3.6 3.5 3.5 3.5 3.5 3.7 3.7
    7 P Perkolasi mm/hr 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
    8 M = Eo+Perkolasi Keb. Air pengganti mm/hr 5.3 5.3 4.8 4.8 4.6 4.6 4.5 4.5 4.6 4.6 5.1 5.1 5.6 5.6 5.7 5.7 5.6 5.6 5.5 5.5 5.5 5.5 5.7 5.7
    9 k = M.T / S mm/hr 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7
    10 e^k 1.9 1.9 1.8 1.8 1.7 1.7 1.7 1.7 1.7 1.7 1.8 1.8 2.0 2.0 2.0 2.0 2.0 2.0 1.9 1.9 1.9 1.9 2.0 2.0
    11 (IR) Penyiapan lahan mm/hr 11.3 11.3 11.0 11.0 10.9 10.9 10.8 10.8 10.8 10.8 11.1 11.1 11.4 11.4 11.5 11.5 11.5 11.5 11.4 11.4 11.4 11.4 11.5 11.5
    12 WLR 2 mm/hr LP LP 3.3 3.3 LP 3.3 3.3 LP 3.3 3.3
    WLR 1 mm/hr LP 3.3 3.3 LP 3.3 3.3 LP 3.3 3.3
    Pengganti lap. Air (WLR) mm/hr 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7
    13 Koef. Tanaman (kc2) LP LP 1.10 1.10 1.05 1.05 0.95 0.00 LP LP 1.10 1.10 1.05 1.05 0.95 0.00 LP LP 0.50 0.75 1.00 1.00 0.82 0.45
    Koef. Tanaman (kc1) LP 1.10 1.10 1.05 1.05 0.95 0.00 LP 1.10 1.10 1.05 1.05 0.95 0.00 LP 0.50 0.75 1.00 1.00 0.82 0.45
    Koef. Rata-rata Tanaman LP LP 1.10 1.08 1.05 1.00 0.48 0.00 LP LP 1.10 1.08 1.05 1.00 0.48 0.00 LP LP 0.63 0.88 1.00 0.91 0.64 0.23
    14 Penggunaan air konsumtif (Etc) mm/hr 11.3 11.3 2.8 2.8 2.5 2.4 1.1 0.0 10.8 10.8 3.1 3.0 3.4 3.3 1.6 0.0 11.5 11.5 2.0 2.8 3.2 2.9 2.1 0.7
    mm/hr 9.5 9.5 2.3 3.9 3.2 3.1 2.8 0.0 10.3 10.3 2.6 4.2 4.5 4.3 2.8 -0.5 11.1 11.1 0.1 2.6 1.3 1.0 0.8 -2.3 v
    15 NFR = etc + P + WLR - Re Keb. Air di sawah
    lt/dtk/ha 1.1 1.1 0.3 0.4 0.4 0.4 0.3 0.0 1.2 1.2 0.3 0.5 0.5 0.5 0.3 -0.1 1.3 1.3 0.0 0.3 0.1 0.1 0.1 -0.3
    Keb. Pengambilan air pada lt/dtk/ha 1.3 1.3 0.3 0.5 0.4 0.4 0.4 0.0 1.4 1.4 0.4 0.6 0.6 0.6 0.4 -0.1 1.3 1.3 0.0 0.0 0.0 0.0 0.0 0.0
    16 DR
    sumber / kebutuhan air irigasi lt/dtk 3932.8 3932.8 949.0 1607.4 1346.8 1297.0 1153.7 16.6 4286.6 4286.6 1074.0 1730.2 1868.8 1801.2 1144.6 -200.9 3796.7 3796.7 0.0 0.0 0.0 0.0 0.0 0.0

    You might also like