Method of applying water directly to the root zone of the plant is called ____
Addition of gypsum to the irrigation water is recommended to overcome difficulties posed by
Which of the following statement is/are correct?
a) Check flooding is suitable for both more permeable and less permeable soils.
b) Coarse sands are not suitable for basin irrigation because of high percolation losses.
c) Sprinkler irrigation is suitable for all soils except very heavy soils with very low infiltration rates.
d) Drip irrigation is suitable for all types of soils, except for coarse textured soil.
Sprinkler irrigation method is generally adopted when
(i) The land topography is irregular
(ii) The water table is high
(iii) The soil is easily erodible.
(iv) water is available in abundance.
In an irrigation system, the land was divided into a large number of small size unit areas, having fairly level surface, by bunds and cross ridges. The basins thus created were filled with water to the desired depth and the water was retained for some time. This method of irrigation is knows as:
Consider a water having electrical conductivity 800 micro mhos/cm, the water is classified as