CHAPTER XV

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Keeping Manure under Cover.-- Dr. Vœlcker’s Experiments.-- Manure Fermented Outside and Under Cover.-- Loss from keeping Manure spread in the Barn-yard.-- Keeping well-rotted Manure in a Heap.-- Conclusions from Dr. Vœlcker’s Experiments. 59

## CHAPTER XVI .

An English Plan of Keeping Manure.-- Box feeding of Cattle.-- Spreading Manure at once.-- Piling in Heaps in the Field.-- Old Sods and Ashes from Charred Sods. 69

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