 ... to be applied per acre, since soil, situation, and climate, must all be taken into the farmer's consideration. The following facts however have been ascertained by numerous experiments, at some of which I have personally assisted. I. That crushed...  British Farmer's Magazine - Halaman 3261837Tampilan utuh - Tentang buku ini
 | 1836 - 444 halaman
...consideration. The following facts, however, have been ascertained by numerous experiments:—1st. That crushed bones remain in the soil for a length of time proportionate...dust producing the most immediate effect, the larger pieces continuing to show the longest advantage. On arable land their good effects continue for four... | |
 | Edmund Ruffin - 1838 - 834 halaman
...experiments, at some of which I liave personally assisted. I. That crushed bones remain in the soil, (bra length of time proportionate to the size of the pieces; the dust producing the most immediate effect, ilie larger pieces continuing to show the longest advantage. On arable land their good effects continue... | |
 | Edmund Ruffin - 1838 - 782 halaman
...been ascertnined by numerous experiments, at some of which I have personally assisted. I. That crushed bones remain in the soil, for a length of time proportionate to the size of the nieces? the dust producing the most immediate efiect, the larger pieces continuing to show the longest... | |
 | Cuthbert William Johnson - 1842 - 1364 halaman
...apply to those manures of a purely animal nature, whose value I have been endeavouring to illustrate. Thus, with regard to bones, the quantity applied per...for eight or nine. But, as practical experience is ”done the substitute lor our want of general scientific knowledge founded on experiments, the farmer... | |
 | The Farmer's Magazine - 1836 - 570 halaman
...ascertained by numerous experiments, at some of which I have personally attended : — "That crushed bones remain in the soil for a length of time proportionate...dust producing the most immediate effect, the larger pieces continuing to show the longest advantage. On arable land their good effects continues for four... | |
 | The Farmer's Magazine - 1837 - 534 halaman
...been ascertained by numerous experiments, at some of which I have personally assisted. I. That crushed bones remain in the soil, for a length of time proportionate...dust producing the most immediate effect, the larger pieces continuing to shew the longest advantage. On arable land their good effects continue for finir... | |
 | Staff - 1838 - 514 halaman
...have been ascertained by numerous experiments, at some of which I personally assisted. I. That crushed bones remain in the soil, for a length of time proportionate...dust producing the most immediate effect, the larger pieces continuing to shew the longest advantage. On Arable Land their good effects continue for four... | |
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