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By P.Kandasamy BTE – 06 -014

Computation of ET for kumulur by Blaney-Criddle Method. By P.Kandasamy BTE – 06 -014. U = KF = ∑ kf = ∑ u = ∑ ktp/100. K= empirical seasonal consumptive use coefficient for the growing season F= sum of the monthly consumptive use (f) for the growing season

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By P.Kandasamy BTE – 06 -014

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  1. Computation of ET for kumulur by Blaney-Criddle Method By P.Kandasamy BTE – 06 -014

  2. U = KF =∑ kf = ∑ u = ∑ ktp/100 K= empirical seasonal consumptive use coefficient for the growing season F= sum of the monthly consumptive use (f) for the growing season k = empirical consumptive use crop co efficient for the month f = t x p/100 t = mean monthly temperature p = monthly daylight hours expressed as per cent of daylight hours of the year.

  3. Monthly consumptive use crop coefficient (k) for use in Blaney-Criddle Formula.

  4. Computation of ET

  5. U= 55.12 inches = 140cm

  6. References : • http://books.google.co.in/books?id=yANwmTjf588C&pg=PA103&lpg=PA103&dq=blaney+criddle+method&source=bl&ots=64j68csYbW&sig=cDIpxuNIWiWntQAqFRbkauXo-YE&hl=en&ei=YvXISZnmIsOGkQWkm4XmAg&sa=X&oi=book_result&resnum=9&ct=result • www.nih.ernet.in/Method3.htm • Irrigation theory & practice by A M Michael

  7. Questions???

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