. Elementary agriculture with practical arithmetic . WELL BRED PIGS. farm at least two-thirds of this value is wasted. Pupils should use the second table for ordinary problems. To the increase in the value of the animal, produced by feeding a certain amount of feed, must be added the value of the manure produced by the animal from the food that is eaten.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculture, bookyear