Irrigation And Drainage Principles And Practice of Their Cultural Phases By F
Irrigation And Drainage Principles And Practice of Their Cultural Phases By F
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67 Nitrites . . 86 Total . . 870. 28 *Rept. New Jersey Geol. Survey 1868, p. 102.
Sewage Waters for Irrigation 253 Using the figures of T. M. Read* regarding the amount of materials which the great rivers of the world bear in solution to the sea, it appears that the Mississippi and St. Lawrence rivers, in North America, and the Amazon and La Plata, in South America, carry an amount such that the average is 655. 6 pounds per each 24 acre-inches of water.
Goss and Haret, from analyses of the wate...r of the Rio Grande at different periods from June 1 to Octo- ber 31, compute that 24 acre-inches of the water contained in sediment and in solution 1, 075 pounds of potash, 116 pounds of phosphoric acid, and 107 pounds of nitrogen. The water of this river contains a sufficient amount of sediment so that 24 acre- inches of it furnishes 81, 309 pounds, or more than 4 tons per acre.
It is evident from these data that the ordinary clear waters of rivers, lakes, springs and wells cannot be expected to bear to the fields upon which they are applied a sufficient amount of plant -food to meet the needs of crops, unless the water is applied in much larger volumes than is required to meet the demands of soil moisture.
What to read after Irrigation And Drainage Principles And Practice of Their Cultural Phases By F?
You can find similar books in the "Read Also" column, or choose other free books by King, F. H. (Franklin Hiram), 1848-1911 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
67 Nitrites . . 86 Total . . 870. 28 *Rept. New Jersey Geol. Survey 1868, p. 102.
Sewage Waters for Irrigation 253 Using the figures of T. M. Read* regarding the amount of materials which the great rivers of the world bear in solution to the sea, it appears that the Mississippi and St. Lawrence rivers, in North America, and the Amazon and La Plata, in South America, carry an amount such that the average is 655. 6 pounds per each 24 acre-inches of water.
Goss and Haret, from analyses of the wate...r of the Rio Grande at different periods from June 1 to Octo- ber 31, compute that 24 acre-inches of the water contained in sediment and in solution 1, 075 pounds of potash, 116 pounds of phosphoric acid, and 107 pounds of nitrogen. The water of this river contains a sufficient amount of sediment so that 24 acre- inches of it furnishes 81, 309 pounds, or more than 4 tons per acre.
It is evident from these data that the ordinary clear waters of rivers, lakes, springs and wells cannot be expected to bear to the fields upon which they are applied a sufficient amount of plant -food to meet the needs of crops, unless the water is applied in much larger volumes than is required to meet the demands of soil moisture.
What to read after Irrigation And Drainage Principles And Practice of Their Cultural Phases By F?
You can find similar books in the "Read Also" column, or choose other free books by King, F. H. (Franklin Hiram), 1848-1911 to read onlineMoreLess
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