advance of irrigation water的用法和样例：
- The capaoility of irrigate water is on talent!
- It is found that the soil salinity increases obviously in the definite deep zone when the salt concentration of irrigation water reaches the critical value.
- I believe that this iodine dripping method is also practically implementable in other similar iodine deficient areas with good system of irrigation water.
- Water is channelled through a series of irrigation canals.