Download An Introduction to Agricultural Geography by David Grigg PDF

By David Grigg

Utilising approximately half the world's team, agriculture is obviously of serious fiscal and social value. an immense number of tools are used globally; the Western global has the most recent clinical and business developments at its disposal, but within the Thrid global a dwelling is made utilizing instruments that experience not often replaced in thousand years. An creation to Agricultural Geography offers an in depth advisor via this assorted and increaslingly very important geographical topic, aiming to teach wide variety of things clarify how agricultural practices fluctuate from position to put. facing the actual atmosphere, monetary behaviour and calls for, institutional and social impacts and the influence of farming upon the surroundings, the writer has produced an enormous introductory textual content that's topical, incisive and eventually necessary to succeed in an knowing of the awesome variety of the world's significant undefined.

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The banana in the Americas The banana is widely grown as a food crop throughout the tropics, but in the last century it has been grown both on plantations and smallholdings in the Americas for export to the USA and Western Europe. It was first grown for this purpose in the late nineteenth century in Jamaica and the Caribbean coastal areas of Central America, at that time sparsely populated. The United Fruit Company developed railways and plantations in Honduras, Guatemala, Costa Rica and Panama.

The spread of disease has also had an important effect on the location of some crops. The banana provides a good example of this. The banana in the Americas The banana is widely grown as a food crop throughout the tropics, but in the last century it has been grown both on plantations and smallholdings in the Americas for export to the USA and Western Europe. It was first grown for this purpose in the late nineteenth century in Jamaica and the Caribbean coastal areas of Central America, at that time sparsely populated.

Human excreta has been widely used as a manure, but most notably in southern China. Livestock are everywhere used to provide the manure, but particularly in Europe. In medieval farming systems much of the manure was deposited upon the common grazing land, and only on arable crops when cattle were grazed on the straw left standing after harvest. However, in the nineteenth century and in the first half of the twentieth century, cattle were fed in stalls and their dung mixed with straw. Farmyard manure, which contains nitrogen, potassium and phosphorus, was sufficient to maintain cereal yields at quite a high level.

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