Seedlings, also, are destroyed in vast numbers by various enemies ; for instance, on a piece of ground three feet long and two wide, dug and cleared, and where there could be no choking from other plants, I marked all the seedlings of our native weeds... Chapters in Modern Botany - Seite 77von Sir Patrick Geddes - 1893 - 201 SeitenVollansicht - Über dieses Buch
| 1860 - 564 Seiten
...two wide, dug and cleared, in which there could have been no choking from other plants, Mr. Darwin marked all the seedlings of our native weeds as they came up ; and out of 357, no fewer than 295 were destroyed, chiefly by slugs and insects. If turf which has long been mown, or turf... | |
| Richard Holt Hutton, Walter Bagehot - 1860 - 556 Seiten
...two wide, dug and cleared, in which there could have been no choking from other plants, Mr. Darwin marked all the seedlings of our native weeds as they came up ; and out of 357, no fewer than 295 were destroyed, chiefly by slugs and insects. If turf which has long been mown, or turf... | |
| Charles Darwin - 1861 - 470 Seiten
...destroyed in vast numbers by various enemies ; for instance, on a piece of ground three feet long and two wide, dug and cleared, and where there could be no...seedlings of our native weeds as they came up, and out of the 357, no less than 295 were destroyed, chiefly by slugs and insects. If turf which has long been... | |
| robert scott burn - 1861 - 738 Seiten
...cup! The destruction of seedlings is equally striking. On a piece of ground three feet long and two wide, dug and cleared, and where there could be no choking from other plants, he marked all the seedlings of our native plants as they came up, and out of the 357, no less than... | |
| Charles Darwin - 1864 - 472 Seiten
...destroyed in vast numbers by various enemies ; for instance, on a piece of ground three feet long and two wide, dug and cleared, and where there could be no...seedlings of our native weeds as they came up, and out of the 357, no less than 295 were destroyed, chiefly by slugs and insects. If turf which has long been... | |
| Charles Darwin - 1873 - 492 Seiten
...in vast numbers by various enejjues ; J for instance, on a piece of ground three feet long and two wide, dug and cleared, and where there could be no...of 357 no less than 295, were destroyed, chiefly by slugs.and_insects. If turf which has long been mown, and the case would be the same with turf closely... | |
| George St. Clair - 1873 - 280 Seiten
...in vast numbers by various enemies. For instance, on a piece of ground three feet long and two feet wide, dug and cleared, and where there could be no choking from other plants, Mr Darwin marked all the seedlings of our native weeds as they came up, and out of the 357 no less... | |
| George St. Clair - 1873 - 296 Seiten
...other plants, Mr Darwin marked all the seedlings of our native weeds as they came upt and out of the 357 no less than 295 were destroyed, chiefly by slugs and insects. Previous mention has been made of the walking-stick insect brought to Mr Wallace by a Dyak, covered... | |
| Samuel Wilberforce - 1874 - 406 Seiten
...Darwin's own observations : — ' On a. piece of ground three feet long ami two wide, dug and cleaned, and where there could be no choking from other plants,...seedlings of our native weeds as they came up, and, out of the 357, 110 less than 295 were destroyed, chiefly by slugs and insects. If turf which has long been... | |
| Charles Darwin - 1875 - 504 Seiten
...destroyed in vast numbers by various enemies ; for instance, on a piece of ground three feet long and two wide, dug and cleared, and where there could be no...295, were destroyed, chiefly by slugs and insects. If turf which has long been mown, and the case would be the same with turf closely browsed by quadrupeds,... | |
| |