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A guide to the use of engineering technology. Plertaining to selecting auto- matic control schemes for canals con- veying water to irrigable lands. u.s. DEPAR1~ ...

The effect of seepage losses on the original water table is insignificant (Bouwer, 1962). With a deep groundwater table, the seepage losses will be larger than.

All the channels are unlined and have a trapezoidal section. The side slope of the channel varies from 1:1.0 to 1:2.5, depending on the channel design capacity.

... sample: test on a single proportion. Two samples: tests on two proportions ... Bishop, C., M., Pattern Recognition and Machine Learning, Springer, 2006 ...

different cropping sequences in the canal command shows that in order to avoid any undesirable effect, rice should be grown in the whole cultivable command ...

... canal sizing problem for the system shown 2?224 in figure 2?65. Table 2A?1 ... capillary pressure head for two. 2?157 soils that have a steady, upward ...

Volumes II and III are essentially devoted to a presentation of the fundamental principles and problems of irrigation engineering.

reaches the plant roots through capillary action. Water may be introduced through open ditches or underground pipelines such as tile drains or mole drains ...

... 34 .28 .22 .17 .13. 58 .16 .21 .26 .32 .37 .40 .39 .34 .28 .23 .18 .15. 56 .17 ... 0.23. Additional loss at the earth.'s surface occurs since the earth ...