It will be seen that a return of better seasons since the first twenty-eight has led to a considerable reduction in the estimate of the rate of decline from year to year due to exhaustion. It remains to be seen what will be the result in the future ;... Journal of the Royal Agricultural Society of England - Síða 65eftir Royal Agricultural Society of England - 1893Heildartexta - Um bókina
| Staff - 1880 - 924 síður
...with a return of good seasons, the decline will be as marked ; and also whether, in time, a point will be reached at which the produce will remain constant,...is influenced by the fluctuations of the seasons. T/ie Farmyard-manure Plot. — If the unmanured plot is declining in yield and fertility, there can... | |
| 1893 - 712 síður
...with a return of good seasons, the decline will be as marked ; and also whether, in time, a point will be reached at which the produce will remain constant,...is influenced by the fluctuations of the seasons. Tlic Farmyard-manure Plot. — If the unmanured plot is declining in yield and fertility, there can... | |
| Rothamsted Experimental Station - 1893 - 714 síður
...with a return of good seasons, the decline will be as marked ; and also whether, in time, a point will be reached at which the produce will remain constant,...is influenced by the fluctuations of the seasons. Tl1e Farmyard-manure Plot. — -If the unmanured plot is declining in yield and fertility, there can... | |
| Sir Joseph Henry Gilbert - 1895 - 338 síður
...decline from year to year of little more than one-sixth of a bushel over the forty years, 1852-1891. It remains to be seen what will be the result in the...produce will remain constant, excepting so far as it is iuliuenced by the fluctuations of the seasons. It is estimated that over the period of thirty years,... | |
| Rothamsted Experimental Station - 1899 - 518 síður
...over the forty years. It will be seen that a return of better seasons since the first twenty-eight has led to a considerable reduction in the estimate of...yield and fertility ; but there can be no doubt that the farmyard manure plot has, on the other hand, increased in fertility. Analyses of the surface soil... | |
| 1899 - 518 síður
...over the forty years. It will be seen that a return of better seasons since the first twenty-eight has led to a considerable reduction in the estimate of...the fluctuations of the seasons. The Farmyard Manure Plot.—It has been seen that the unmanured plot has declined in yield and fertility; but there can... | |
| |