المصدر: Biology of soil science( زراعة ) في منتدى : العلوم العامة والبرامج العلمية بسم الله الرحمن الرحيم Biology of soil science by Charlotte Jhonson Publisher Oxford Book Company, 2009 ISBN: 8189473964, 9788189473969 "Biology of Soil Science" is an important branch of agriculture which deals with studies of different areas like soil physics; soil chemistry; soil fertility and plant nutrition; soil survey, genesis and classification, soil mineralogy, etc. It is, therefore, essential that this valuable natural resource is understood and conserved properly for sustained agricultural production in India. National agricultural production is mainly dependent upon one of the important natural resource like "soil". The maintenance and improvement of soil productivity for sustained agricultural production necessitates the acquisition thorough knowledge of soil science. Therefore, the teaching of soil science is one of the most important factors for the agricultural development of the country, because the soil is involved in every kind of farming LinK or or or or
