51.   On the other hand, when the soil is black in colour, you could mistake it for black earth thinking it to be a rich soil.

52.   The men are swinging hoes, the women spreading seed in furrows of moist black soil as rich as chocolate cake.

53.   The region was -- and still is -- incredibly beautiful and fertile, blessed with rich volcanic soil, generous rainfall and a temperate climate.

54.   At first the area was a sheep-farming district, but settlers soon realised that its rich alluvial soils sustained much more.

55.   At the bottom of the valley a bulldozer loaded rich red brown soil into a lorry.