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A study of the influence of animal manure and clover on the structural and chemical characteristics and the earthworm activity in a Manawatu soil : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Field Husbandry of the University of New Zealand
(Massey University, 1949)
In view of the increasing emphasis that is being placed on pasture production by the N.Z. farmer, part1cularly in the North Island, a full appreciation of the value of the grazing animal and clover in relation to pasture ...