Yearbook of Agriculture

Front Cover
U.S. Government Printing Office, 1955 - Agriculture
 

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Contents

Underground Sources of Our Water Harold E Thomas
62
How We Measure the Variations in Precipitation William E Hiatt and Robert W Schloemer
78
Is Weather Subject to Cycles? Ivan R Tannehill
84
Hauling Down More Water From the Sky Chas Gardner
91
Measuring Snow To Forecast Water Supplies R A Work
95
Fog Mist Dew and Other Sources of Water F W Went
103
Conversion of Saline Waters David S Jenkins R J McNiesh and Sidney Gottley
109
The AgeOld Debate About a Forked Stick Arthur M Sowder
118
Water and Our Soil 121 How Water Shaped the Face of the Land Guy D Smith and Robert V Ruhe
121
How Rainfall and Runoff Erode Soil Ben Osborn
126
Valleys and Hills Erosion and Sedimentation L C Gottschalk and Victor H Jones
135
Retention and Transmission of Water in Soil L A Richards
144
How Much of the Rain Enters the Soil? G W Musgrave
151
The YazooLittle Tallahatchie Flood Prevention Project
199
A New Song on the Muddy Chattahoochee Frank A Albert
205
Water and Our Forests
219
How To Get More Snow Water From Forest Lands B C Goodell
228
Managing Forests To Control Soil Erosion E G Dunford
235
Soil Surveys on Forest and Range Lands J L Retzer
242
Supplemental Irrigation in Humid Regions Max M Tharp
252
Surface Irrigation Methods John T Phelan and Wayne D Criddle
258
The Use of Sprinklers for Irrigation Tyler H Quackenbush
267
Applying Water Under the Surface of the Ground
273
Preparing Land for Efficient Irrigation J G Bamesberger
279
Wells and Pumps for Irrigated Lands Carl Rohwer
285
Replenishing Ground Water by Spreading Dean C Muckel
302
Ways To Control Losses From Seepage C W Lauritzen
311

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Page 4 - HE sendeth the springs into the valleys, Which run among the hills. They give drink to every beast of the field : The wild asses quench their thirst. By them shall the fowls of the heaven have their habitation, Which sing among the branches.
Page 4 - Thou shalt also consider in thine heart, that, as a man chasteneth his son, so the LORD thy God chasteneth thee. Therefore thou shalt keep the commandments of the LORD thy God, to walk in his ways, and to fear him. For the LORD thy God bringeth thee into a good land, a land of brooks of water, of fountains and depths that spring out of valleys and hills...
Page 4 - He causeth the grass to grow for the cattle: and herb for the service of man; That he may bring forth food out of the earth...
Page 197 - No public forest reservation shall be established, except to improve and protect the forest within the reservation, or for the purpose of securing favorable conditions of water flows, and to furnish a continuous supply of timber for the use and necessities of citizens of the United States...
Page 616 - You come to us and tell us that the great cities are in favor of the gold standard: we reply that the great cities rest upon our broad and fertile prairies. Burn down your cities and leave our farms, and your cities will spring up again as if by magic ; but destroy our farms and the grass will grow in the streets of every city in the country.
Page 193 - There are mountains in Attica which can now keep nothing but bees, but which were clothed, not so very long ago, with fine trees producing timber suitable for roofing the largest buildings ; the roofs hewn from this timber are still in existence.
Page 345 - Disregarding the unmeasured factors, consumptive use varies with the temperature, daytime hours, and available moisture (precipitation, irrigation water or natural ground water). By multiplying the mean monthly temperature (t) by the monthly percent of daytime hours of the year (p>, there is obtained a monthly consumptive-use factor (f).
Page 161 - Water: (1) surface condition and amount of protection against the impact of rain; (2) internal characteristics of the soil mass, including pore size, depth or thickness of the permeable portion, degree of swelling of clay and colloids, content of organic matter, and degree of aggregation; (3) the moisture content and degree of saturation; (4) the duration of rainfall or application of water; and (5) the season of the year and temperature of soil and water.
Page 668 - Water should be subject to regulation because it is essential to human existence, because it is a changing resource that may bring good or evil to many people according to its use and management and because some of it is subject to established public and private rights of use. The more valuable water becomes, the more conflicts of interest arise over its use and management. The conflicts may lead to insecurity of investments and impeded or unbalanced economic growth if basic law is not provided to...
Page 348 - The only method so far developed that measures the actual evapotranspiration from a field or any other natural surface without disturbing the vegetation cover in any way is the so-called "vapor transfer

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