Among a variety of premiums awarded by the state are those for the best cultivated estates and for irrigation works, and to the owners of the best stallions and brood-mares.
Iv., v., vi., new series (Concord, N.H., 1904, 1906, 1908); and "Underground Waters of Vermont" in Water Supply and Irrigation Paper No.
Irrigation works have been carried out in various parts.
The method of this irrigation is peculiar.
Not a hundredth part of the old irrigation system is now in working order.
The fact also that many of the most ancient of these ruins, like Ur, Lagash (Sirpurla), Larsa, Erech, Nippur, Sippara and Babylon, were situated on the banks of the great canals would indicate that the control of the waters of the rivers by a system of canalization and irrigation was one of the first achievements of civilization.
There are several lakes of great depth and streams well fitted for the purposes of irrigation, of which full advantage is taken by the natives.
Save where irrigation has reclaimed small areas, the whole region is a vast desert, though locally only some of the interior plains are known as "deserts."
Except on the scattered oases, where irrigation from springs and mountain streams has reclaimed small patches, the desert is barren and forbidding in the extreme.
The three principal areas in which irrigation is practicable are along the Humboldt river, in the plains watered by the Carson, Truckee and Walker rivers, and at the foot of the mountains along the western edge of the state.
But where irrigation is employed the yield of crops is excellent.
(See also Egypt.) The agriculture of the region bordering the Tigris and Euphrates, like that of Egypt, depended largely on irrigation, and traces of ancient canals are still to be seen in Babylonia.
Irrigation benefits a sandy soil, draining a marshy soil.
Both draining and irrigation are noticed, though the latter but slightly.
The rainfall is uncertain and low, however, never exceeding 40 in., and on the supply of water by irrigation the future of the industry mainly depends.
Owing to the high barrier which shuts off almost all Syria from the sea, and precipitates vapours mainly on the western slope, little of the land is highly productive without irrigation, except the narrow littoral strip which was the ancient Phoenicia, and the small deltas, such as that of Latakia (Laodicea).
Irrigation, introduced in 1888 by the orange growers, has been adapted by other farmers, especially the tobacco-growers of Gadsden county, and so the evil effects of the droughts, so common from February to June, are avoided.
These prairies are traversed by ridges, which facilitate irrigation, and are underlaid by an impervious subsoil, which facilitates both effective storage and drainage.
Much of the soil of the desert appears to be alluvial; there are numerous traces of streams having formerly passed over it, and still, where irrigation is at all practicable, fertility in the clayey tract follows; but the rains are scanty, the wells few and generally 100 ft.
The benefits of canal irrigation were introduced in the 'seventies, and the revenue thus doubled.
16, 1908), while Sir William Willcocks became head of the irrigation department; the reorganization of the army was entrusted to the German General von der Goltz, that of the navy to Admiral Sir Douglas Gamble (resigned Feb.
In the neighbourhood of the Vaal, confluence, where the river passes through alluvial land, and at some other places, the waters of the Orange are used, and are capable of being much more largely used, for irrigation purposes.
It also conducts campaigns against locusts and other pests and helps irrigation settlements.
The Nerbudda is nowhere utilized for irrigation, and navigation is confined to the lower section.
Many regions suffer permanently from deficient rainfall; in others, owing to the absence of irrigation works, the water supply is lost, while the burning of the grass at the end of summer, a practice adopted by many farmers, tends to impoverish the soil and render it arid.
If you look back across the span of time, you see wood plows being used in 4000 BC, then irrigation five hundred years later.
He couldn't develop new irrigation techniques, invent new machinery, or create new fertilizers.
And advances in drip irrigation, which itself isn't exactly new but is becoming far more widespread and ever more efficient, allows crops to be grown with massively less water.