They generally live on the wild fruits and vegetables which grow spontaneously, though some cultivate rice, and attend to the irrigation of their fields.
During the growth of the seed, irrigation is continued, and after six weeks the crops are ready for transplanting to the rice-fields.
When water for irrigation is supplied from wells some underground system is generally used.
The corn would pay for the Panama Canal, for fifty battleships, and for the irrigation projects in the West, with a hundred million dollars left over.
The irrigation canals may also be used to supply water-power, and the canals may be used as are other canals for towing barges.
In general it may be said that irrigation is more generally needed in the West, storage of flood waters in the central and eastern states, and drainage in the South.
Of southern California it is said, "The irrigation systems of this part of the state are known all over the world, and have created a prosperous commonwealth in a region which would be a scene of utter desolation without them.
Canals should be cut between waterways where large benefits will result; overflow and swamp land should be drained, and in arid regions every particle of water conserved for irrigation purposes.
The waste waters of the rivers were used for irrigation and the land when watered was found to produce remarkably fine fruits and agricultural products.
This locality presents a better opportunity for the scientific study of farming by irrigation than exists anywhere else in the world.
When the irrigation season is over the levees are opened, and the water runs off rapidly, and the crop is soon ready to be harvested.
As land becomes scarcer and the cost of living greater on account of the increase in population, men are turning more and more to irrigation to solve the problem of food supply.
In Florida, where irrigation is used largely for intensive farming, various means are employed, some of which are also used in the western and southwestern states.
In the eastern states irrigation is only employed in dry weather to increase the yield of vegetable crops.
The thought naturally occurred that the canals might be of artificial origin, and might indicate the existence of a gigantic system of irrigation serving to maintain life upon the globe of Mars.
After a time a change of view occurred concerning the nature of the expanses called seas, and Mr. Lowell, following his observations of 1894, developed the theory of the water circulation and irrigation of Mars in a new form.
We joined together and constructed an irrigation ditch.
In 1858, and near where the Sun river irrigation channel is taken from the river, an agency for the Blackfeet Indians was built.
There were six of us working on an irrigation ditch near the bank of the Sun river, two miles from Fort Shaw, and on the opposite side of the river.
The remains of the old aqueducts testify to the skilful manner in which the ancients used their abundant water supply for the irrigation of this extensive plain.
Directors of the East India Company; with an Appendix, containing a Sketch of the Irrigation System of Northern and Central India.
The remainder of the residency is well-watered and fertile, important irrigation works having been carried out.
The climate of the lower agricultural districts is tropical, and irrigation is employed in some places in the long dry season.
The network of dams and irrigation canals which he saw was as good as anything on his own paratime level.
This was a compact and healthy district, well watered by the streams running from the Iranian plateau, which were regulated by a network of canals and ditches for irrigation of the whole region.
He had some sort of a huge irrigation scheme in his head," Roger said.
Perhaps Dick's knowledge of irrigation would prove to be sketchy and that water supply too would prove inadequate.
Unless we can develop irrigation plants, the idea would be just a toy here," replied Roger.
According to Mr. Daniloff, a civil engineer, irrigation had raised the productivity of ploughland by from 15 to 20 per cent.
Fertilizing and irrigation have become a necessity in Russian agriculture.
Thus the progress of artificial irrigation means the ruin of the nobleman.
These trees receive no other irrigation than the winter rains; each tree has its acknowledged owner among some of the Towara tribes: those which I have just noticed belong to some persons of the tribe of Aleygat.
The lands which are not capable of artificial irrigation are generally suffered to lie fallow one year; a part of them is sometimes sown in spring with sesamum, cucumbers, melons, and pulse.
The inhabitants with great industry build terraces to level the ground and prevent the earth from being swept down by the winter rains, and at the same time to retain the water requisite for the irrigation of their crops.
This ditch is not paved, and may formerly have served for the irrigation of the plain.
We found the peasants occupied with the corn harvest, and with the irrigation of the cotton fields, in which the plants had just made their appearance above ground.
Climbing to the summit, we beheld the village in the distance, in a beautiful green valley--a splendid example of Mormon irrigation and farming methods.
The rabbits had been rescued from a watery grave in an irrigation ditch and carefully nursed back to life.
This day I passed a large irrigation canal leading off from the stream, the second such on the entire course of the Colorado.
All this prolific growth is made possible by the extreme heat of the summer months aided in the case of those plants and trees which flourish in the fertile soil of Ha Va Su by the sub-irrigation and the spray from the fall.
The dam was constructed of loose rock and piles, chinked with brush and covered with sloping planks,--just a small dam to raise the water for irrigation purposes.
Wilson had a large water wheel for irrigation purposes, the first of several such wheels which we were to see this day.
He set himself to remodel and complete the system of irrigation in the Assyrian plain; he repaired the dykes, and cleaned out and made good the beds of the canals which had been neglected during the troublous times of the last generation.
Napoleon came to Cairo with flags flying and drums beating openly as an enemy; he did not come in the disguise of a missionary or an irrigation expert.
Irrigation is carried on most scientifically, the water coming from a creek and the "cienaga," which I will explain later.
Irrigation is better than rain, for the orange growers can turn on a shower or a stream whenever and wherever needed.
Since that day the tributaries of the turbulent Platte have been diverted to irrigation purposes, leaving it at times little else than an extinct river.
Irrigation and cultivation have gone far to redeem this land from the desert Symons found it, but it is still far from being quite the Paradise Ross seemed to think it was.
At Richfield the results of irrigation became evident in young apple orchards and green fields of alfalfa, and these multiplied all the way down to Pasco.
From source to mouth, the Columbia to-day is almost useless for power, irrigation and even transportation.
Without irrigation the oases would be mere halting-places for caravans, and would afford but a scanty supply for centres of human existence.
Now he did nothing but calculate the water distribution or irrigation of the gardens.
The irrigation by which all this cultivation is produced, rain rarely ever falling, cannot be carried on during the intense and absorbing heats of summer.
In Ghat this irrigation is repeated every five days, or less, until the grain is in the ear and nearly ripe.
Illustration] Irrigation is the grand means of agricultural production in Sahara.
The irrigation is the same in principle as that of Ghadames, but slaves are employed to draw up the water, whilst animals are used in Fezzan, and in Ghadames the water runs itself into the gardens.
Irrigation is the support of all vegetable life here.
The time is measured with an hour-glass (of sand) held by the officer who distributes the water, and who opens and shuts the conduit of irrigation at the time fixed.
But irrigation has not only sustained and sustains the towns and cities of the African Desert, but in Asia it has always been the grand means of maintaining vast populations.
There the Mormons, separated by one thousand miles of untrodden desert from all cultivated land, found in irrigation their only means of escape from starvation.
As far as lack of rainfall is concerned in the so-called rainless regions of the United States, this has been notably offset by great works of irrigation that have been steadily going forward.
Upward of one hundred and fifty thousand miles of irrigation canals, with reservoirs and supplementary works, have been built at a cost of more than six hundred million dollars.
The soil of this plain proves abundantly fertile when it is watered, but there are few streams, and a supply of water for irrigation has to be stored in reservoirs.
The irrigationof the crops was ensured by the annual overflow of the Tigris.
Modern irrigation in the United States began in 1750 with the watering of the gardens in the hills and deserts of the coast of California by the adventurous missionaries from Mexico.
To this monarch was due a vast system of irrigation by canals for conveying the waters of the Nile to every part of the country.
Agriculture, horticulture and vitaculture are, therefore, no longer dependent on chance but science, as the National Irrigation Congress expresses it.
Countries so circumstanced, unless like Egypt rendered fertile by the irrigation of a great river, constitute the most arid and desolate regions of the earth.
The diversity of methods used in irrigation in the United States is remarkable.
Irrigation by English-speaking people had its origin in Utah one hundred years later.
Constantly increased irrigation would convert the land into a swamp instead of indefinitely adding to its fertility.
A large number of valuable buildings, and permanent improvements; for instance, roads of every description, works for purposes of irrigation and drainage.
Special mention is made therein as to the probable rainfall from the position of the planets--highly prized information in a district where there are no irrigation works or large reservoirs for water.
At the present time immense sums are being spent on irrigation and drainage works, and as these are extended the areas devoted to cotton production will greatly increase.
By considerable labor it has been made to meander among the palms in numerous tiny canals, thus by an elaborate system of irrigation causing the barren soil of the desert to become fertile and bring forth fruit.
