| Royal Agricultural Society of England - Agriculture - 1900 - 1028 pages
...left without manure from the commencement, two have received ordinary farmyard manure continuously, whilst the remainder have each received a different...special cases, applied year after year on the same plot. No one can inspect this field during the growing season without being impressed by the striking evidence... | |
| Royal Society (Great Britain) - Science - 1879 - 580 pages
...ordinary farm-yard manure, whilst the remainder have each received a different description of artifical or chemical manure, the same being, except in special...from year to year, according to season, from about 8 cwt. to nearly 39 cwt. per acre, and the average yield has been about 23 cwt. per acre per annum. On... | |
| Royal Society (Great Britain) - Electronic journals - 1879 - 596 pages
...ordinary farm-yard manure, whilst the remainder have each received a different description of artifical or chemical manure, the same being, except in special...from year to year, according to season, from about 8 cwt. to nearly 39 cwt. per acre, and the average yield has been about 23 cwt. per acre per annum. On... | |
| William Fream - Agricultural chemistry - 1888 - 288 pages
...left without manure from the commencement; two have received ordinary farmyard manure continuously ; whilst the remainder have each received a different...special cases, applied year after year on the same plot. The land has probably been laid down with grass for some centuries. No fresh seed has been artificially... | |
| Agricultural chemistry - 1893 - 710 pages
...ordinary farm-yard manure, whilst the remainder have each received a different description of artifical or chemical manure, the same being, except in special...from year to year, according to season, from about 8 cwt. to nearly 39 cwt. per acre, and the average yield has been about 23 cwt. per acre per annum. On... | |
| Rothamsted Experimental Station - Agricultural chemistry - 1893 - 714 pages
...ordinary farm-yard manure, whilst the remainder have each received a different description of artifical or chemical manure, the same being, except in special...from year to year, according to season, from about 8 cwt. to nearly 39 cwt. per acre, and the average yield has been about 23 cwt. per acre per annum. On... | |
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