 Notwithstanding the differing notions expressed above, it will appear that the physical characters of the soil which tend to render it best suited to the cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous...  Journal of the Royal Agricultural Society of England - 第332页作者：Royal Agricultural Society of England - 1891全本阅读 - 图书信息
 | William McMurtrie - 1880 - 384 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of. the air, and power of absorbing...convenient for ready assimilation the elements of plant-food existing within it or coming from external sources. Unless the supply of these elements... | |
 | United States. Dept. of Agriculture - 1880 - 822 页
...cultivation of the beet arc porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of the air, and power of absorbing...convenient for ready assimilation the elements of plant-food existing within it or coming from external sources. Unless the supply of these elements... | |
 | United States. Bureau of Chemistry - 1889 - 1396 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of the air, and power of absorbing...convenient for ready assimilation the elements of plant-focd existing within it or coming from external sources. Unless the supply of these elements... | |
 | Nebraska. State Board of Agriculture - 1890 - 402 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of the air, and power of absorbing...convenient for ready assimilation the elements of plant-food existing within it or coming from external sources. Unless the supply of these elements... | |
 | Nebraska. State Board of Agriculture - 1890 - 400 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of the air, and power of absorbing...convenient for ready assimilation the elements of plant-food existing within it or coming from external sources. Unless the supply of these elements... | |
 | Harvey Washington Wiley - 1890 - 294 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water and of free circulation of the air, and power of absorbing...convenient for ready assimilation the elements of plant-focd existing within it or coming from external sources. Unless the supply of these elements... | |
 | New South Wales. Department of Agriculture - 1894 - 1164 页
...admit of superfluous water being drained away, and of free circulation of the air, and to encourage its power of absorbing and holding in a condition convenient...ready assimilation the elements of plant food existing therein or applied in the form of manure. On calcareous soils the roots are generally small, yielding... | |
 | New South Wales. Department of Agriculture, W. H. Clarke - 1898 - 562 页
...to admit of superfluous water being drained away, of free circulation of the air, and to encourage power of absorbing and holding in a condition convenient for ready assimilation the elements of plant-food existing therein or applied in the form of manure. On calcareous soils the roots are generally... | |
 | The Journal of the Royal Agriculture Society of England - 1891 - 1236 页
...cultivation of the beet are porosity of surface and subsoil, to admit of drainage of superfluous water mid of free circulation of the air, and power of absorbing...but wet years are favourable to its gross produce. Rain in July and August gives weight, but a diy September gives sugar. excellent for the purpose, provided... | |
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