The Formation of Vegetable Mould Through the Action of Worms: With Observations on Their HabitsAppleton, 1892 - 326 pagini |
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Pagina 7
... inclined grass - covered surfaces - The amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed completely away from castings - The disintegration of dried ...
... inclined grass - covered surfaces - The amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed completely away from castings - The disintegration of dried ...
Pagina 10
... inclined ; * There is even some reason to believe that pressure is actually favourable to the growth of grasses , for Professor Buckman , who made many observations on their growth in the experimental gardens of the Royal Agricultural ...
... inclined ; * There is even some reason to believe that pressure is actually favourable to the growth of grasses , for Professor Buckman , who made many observations on their growth in the experimental gardens of the Royal Agricultural ...
Pagina 63
... inclined to be- lieve in this latter view ; firstly , because when worms were kept in pots in a room with a fire , in which case cold air could not enter the burrows , they plugged them up in a slovenly manner ; and secondarily ...
... inclined to be- lieve in this latter view ; firstly , because when worms were kept in pots in a room with a fire , in which case cold air could not enter the burrows , they plugged them up in a slovenly manner ; and secondarily ...
Pagina 259
... inclined grass - covered surfaces - The amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed com- pletely away from castings - The disintegration of dried ...
... inclined grass - covered surfaces - The amount of earth which annually flows downwards - The effect of tropical rain on worm castings - The finest particles of earth washed com- pletely away from castings - The disintegration of dried ...
Pagina 260
... inclined surface . Moreover much of the finest levi- gated earth is washed completely away from the castings . During dry weather castings often disintegrate into small rounded pellets , and these from their weight often roll down any ...
... inclined surface . Moreover much of the finest levi- gated earth is washed completely away from the castings . During dry weather castings often disintegrate into small rounded pellets , and these from their weight often roll down any ...
Alte ediții - Afișează-le pe toate
The Formation of Vegetable Mould: Through the Action of Worms, with ... Charles Darwin Vizualizare completă - 1896 |
The formation of vegetable mould, through the action of worms, with Charles Darwin Vizualizare completă - 1897 |
The Formation of Vegetable Mould, Through the Action of Worms, with ... Charles Darwin Vizualizare completă - 1890 |
Termeni și expresii frecvente
accumulated acetic acid acid action of worms alimentary canal amount angle animals apex appear basal base Beaulieu Abbey beneath the surface blown bodies brought buried burrows calciferous carbonic acid cells cent chalk Cloth concrete covered depth disintegration doubt dragged drawn earth feet field flints floor formed fragments gizzards glands grass ground heavy rain Hensen holes Illustrations inches beneath inches deep inches in thickness inches thick intestines JOSEPH LE CONTE Knole Park lamellæ land large number larvæ layer leaf leaves ledges Leith Hill Place lime Maer Hall manner matter mortar mouths nearly objects observed particles pasture pavement penetrated Perrier petioles pharynx places ploughed plugging pots probably Roman villa rubbish sand seen seized side Silchester slope soil species square yard Stonehenge stones subsided swallowed tesselated tiles tips trench triangles triturated turf upper vegetable mould walls washed weather weight whilst worm-castings worms
Pasaje populare
Pagina 1 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Pagina 2 - XVIII. THE NATURE OF LIGHT. With a General Account of Physical Optics.
Pagina 2 - XXIII. Studies in Spectrum Analysis. By J. Norman Lockyer, FRS With six photographic Illustrations of Spectra, and numerous engravings on Wood.