Wichtige Aufgaben der materiellen Fürsorge

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Monograph

Identifikator:: 1019100079

URN:: urn:nbn:de:zbw-retromon-62292

Document type:: Monograph

Title:: Wichtige Aufgaben der materiellen Fürsorge

Place of publication:: Münster in Westf.

Publisher:: Verlag der Aschendorffschen Verlagsbuchhandlung

Year of publication:: 1925

Scope:: 1 Online-Ressource (59 Seiten)

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Contents

Collection:: Economics Books

MAN’S AGRICULTURAL NEEDS 29 it is to be remembered that the land-areas have to provide for all of these. The rate of increase of horses, cattle, sheep and pigs combined, from 1911 to 1921, was about 0-923 per cent. per annum, but from 1913 to 1925 was only 0-355 per cent. per annum. In countries subject to droughts, the numbers of cattle and sheep are found to vary enormously. Regarding provision for animals and their food, it may be noted that there is a certain scheme of exchange in Nature in respect of the vitamines produced by animals and existing in vegetables. It is not simply their energy-values that need to be taken account of when foods are considered since their vitamine con- stituents are important. For this reason animals will always be required. The existing state of things in this respect, however, is by no means the best possible. It may be noted also that, whatever advance may be made by substituting mechanical energy for animal power, a considerable number of animals will be required always; and this fact ought not to be over- looked. From the point of view of food-supply, it may be observed that sea-mammals, fish, and sea-products generally, will doubtless be drawn upon in future to a very much greater extent than in the past. They will be used for general purposes as well. The possibilities of progress in these directions may be considerable, and possibly can fairly well be gauged from existing human experience. Life in the sea-world is already held in check by factors operating within its own domain. The multiplying powers of fish are so enormous that, but for their consuming one another, the space they occupy would become inadequate in a few decades. Industrial uses may be found for certain predatory fish; in this way no doubt a larger use may be made of food-fishes than is now possible. That the possibilities

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