| 单词 | black cotton soil |
| 释义 | > as lemmasblack cotton soil black cotton soil n. a dark, rich alluvial soil found in the Deccan region of India, produced by the disintegration of black lava and suitable for cotton cultivation; = regur n.; (also) a dark muddy soil found in parts of Africa. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > clayey soil rosil1691 black cotton soil1814 regur1822 Ultisol1960 Vertisol1960 1814 B. Heyne Tracts on India xix. 309 The soil in the large plains is universally the black cotton soil, having a sub-soil of calcareous marl resting either on compact limestone or on clay slate. 1882 A. Geikie Text-bk. Geol. iii. ii. 442 The ‘regur’, or rich black cotton soil of India. 1935 H. B. Thomas & R. Scott Uganda vii. 116 It is almost uncultivable and is known (quite erroneously since it will not grow cotton) as ‘black cotton soil’. 1960 M. Perham Lugard 1898–1945 iii. 51 The black cotton-soil plains of Bornu [Nigeria], flat dry land patched with thorn-scrub. 1991 Antiquity 65 796/2 The Deccan Chalcolithic was essentially a village culture which flourished in the region of the fertile black cotton soil. 2002 Trav. Afr. Winter 36/2 Not unless ploughing through black cotton soil quagmires or being eaten alive by mosquitoes and tsetse flies features high on your list of fun activities. < as lemmas |
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