The book's ancient pages were so brittle, he feared they would crumble before he finished.
When dry they crumble into small pieces which can be readily mixed with the soil by ploughing.
Great care is necessary to prevent the heaps from becoming too hot, in which case the clay becomes baked into hard lumps of brick-like material which cannot be broken up. With careful management, however, the clay dries and bakes, becoming slowly converted into lumps which readily crumble into a fine powder, in which state it is spread over and worked into the land at the rate of 40 loads per acre.
The empire certainly was wealthy and of enormous extent, for there were successively added to it the rich kingdoms of Bijapur and Golconda, but it was internally decaying and ready to crumble away before the first vigorous assault.
For garden purposes loam should be rather unctuous or soapy to the touch when moderately dry, not too clinging nor adhesive, and should readily crumble when a compressed handful is thrown on the ground.
The clay should be only slightly burnt, so as to make it crumble down readily; in fact, the fire should not be allowed to break through, but should be constantly repressed by the addition of material.
The barrier that separated the Arabs from the conquered nations begins to crumble away.
Early one morning, we are told, in the fourth month, he got up, and with his hands behind his back, dragging his staff, he moved about his door, crooning over " The great mountain must crumble, The strong beam must break, The wise man must wither away like a plant."
Towards the northern end of Malabar hill lie the Parsee Towers of Silence, where the Parsecs expose their dead till the flesh is devoured by vultures, and then cast the bones into a well where they crumble into dust.