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By Raymond C. Loehr

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G o v t . Printing Office, W a s h i n g t o n , D . C . , 1970. 2. Forker, O. D . , and Casler, G. , " T o w a r d the Year 1985—Summary R e p o r t : Implica­ tions, Issues, and Challenges for the People of N e w Y o r k S t a t e , " Special Cornell Ser. N o . 14. Cornell University, Ithaca, New Y o r k , 1970. 3 Scottish F a r m Buildings Investigation Unit, Farm Building Progr. 18 (1969). 4. , " A Review of Recent Studies of Liquid M a n u r e H a n d l i n g a n d the Use of Slatted F l o o r s , " Bull.

6. " W a t e r Res. C o u n c , W a s h i n g t o n , D . C . , 1969. 7. Sheppard, C. C , and Larzelere, Η. , "Eggs and P o u l t r y — N o w and in 1980," Res. R e p . N o . 5 1 . Michigan State University, East Lansing, 1969. 8. T o w n s h e n d , A. , Reichert, Κ. , a n d Nodwell, J. , " W a t e r Pollution C o n t r o l F a ­ cilities for F a r m Animal Wastes in the Province of O n t a r i o , " Proc. Conf. A n i m . W a s t e M a n a g e . , p p . 131-144. Cornell University, Ithaca, N e w Y o r k , 1969.

Farm size and productivity per farm worker have increased. Both crop and livestock production per acre and total crop production are increasing with less land used for production. It is unlikely that the ultimate in agricultural productivity has been reached, and further increases in agricultural production and productivity will be achieved. Scarcity of labor and the need to replace it with mechanization has led to technical advances in crop production, harvesting, animal housing, feed handling, and waste management.

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