Results 1-3 of 82
a lack of integration between crop production and animal husbandry.
Traditionally ... Principal crops. Cereals and grains. Africa produces all the
principal grains — corn, wheat, and rice — in that order of importance. Corn has
the widest ...
all crops. A specific crop, however, was grown in alternate years in what is known
as the two-field, or crop-and-fallow, system. The fallow land was plowed two or
three times during the fallow year to kill the weeds, which typically accumulate ...
based on new techniques of intensive crop production resulting from the
development of a wide range of mechanical, ... environment in stock-rearing
houses for intensive pig and poultry rearing and in greenhouses for horticultural
What people are saying - Write a review
LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review
The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review