The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 111
... north central states . On the Dalrymple farm of North Dakota wheat was grown continuously for about eighteen years , by which time the soil had been so impoverished that a system of crop rotation and summer fallow became necessary ...
... north central states . On the Dalrymple farm of North Dakota wheat was grown continuously for about eighteen years , by which time the soil had been so impoverished that a system of crop rotation and summer fallow became necessary ...
Página 113
... North Dakota experiment station finds that wheat should have a good place in the rotation be- cause it is a particular crop , and that the average yield of 1 N. D. Bul . 48 , p . 735 ; Bul . 39 , p . 458 . 2 Kan . Bul . 59 ( 1896 ) , p ...
... North Dakota experiment station finds that wheat should have a good place in the rotation be- cause it is a particular crop , and that the average yield of 1 N. D. Bul . 48 , p . 735 ; Bul . 39 , p . 458 . 2 Kan . Bul . 59 ( 1896 ) , p ...
Página 114
... North Dakota . The rotations vary greatly in different states , and soil , climate , and economic causes must determine which ro- tations are most advantageous for any locality . Summer fal- lowing is widely practiced on the Pacific ...
... North Dakota . The rotations vary greatly in different states , and soil , climate , and economic causes must determine which ro- tations are most advantageous for any locality . Summer fal- lowing is widely practiced on the Pacific ...
Página 115
... North Dakota . Results seem to be in favor of un- mixed grain , although wheat and flax have an advantage under certain conditions , as when wheat is apt to lodge , or when there is a superabundance of moisture . In the latter case flax ...
... North Dakota . Results seem to be in favor of un- mixed grain , although wheat and flax have an advantage under certain conditions , as when wheat is apt to lodge , or when there is a superabundance of moisture . In the latter case flax ...
Página 136
... North Dakota and Idaho , and to the river in the Mohawk valley . It is estimated that the farmers of the United States annually lose over $ 7,000,000 by per- mitting barnyard manure to go to waste . As the ferti- lizing value of the ...
... North Dakota and Idaho , and to the river in the Mohawk valley . It is estimated that the farmers of the United States annually lose over $ 7,000,000 by per- mitting barnyard manure to go to waste . As the ferti- lizing value of the ...
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