{"title":"General","description":"\u003cp\u003e Title:Books\u0026gt;\u0026gt;Science \u0026amp; Math\u0026gt;\u0026gt;Agricultural Sciences\u0026gt;\u0026gt;General\u003c\/p\u003e\u003cp\u003e Handle:books-science-math-agricultural-sciences-general\u003c\/p\u003e\u003cp\u003e Children :\u003c\/p\u003e","products":[{"product_id":"0660174049-the_canadian_system_of_soil_classification","title":"The Canadian System of Soil Classification","description":"\n\n\u003cp\u003eThis revised publication replaces The Canadian System of Soil Classification (second edition) published in 1987. The changes incorporated in this current publication are based on the work of the Soil Classification WorkingGroup (SCWG) formerly of the Expert Committee on Soil Survey, and continued by the Land Resource Division of the former Centre for Land and Biological Resources Research. Current taxonomic activities are part of the Land Resources Program of the Eastern Cereal and Oilseed Research Centre, Ottawa, Ontario. Highlights of the third edition: \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eA tenth order, Vertisolic, has been added; \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eSubgroups intergrading to the Vertisolic Order have been added in the Chernozemic, \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eGleysolic, Luvisolic, and Solonetzic Orders; \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eMajor revisions have been carried out to the Cryosolic Order; \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eA complete key to soil classification has been added in chapter 3. \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThe main initiative for establishing the Vertisolic Order resulted from the Sixth International Soil Correlation Meeting on Characterization, Classification, and Utilization of Cold Aridisols and Vertisols organized by the United States Department of Agriculture. Another key initiative for establishing the Vertisolic Order in Canada was the decision by the United States Department of Agriculture to establish a new suborder Cryert in the Vertisol Order of U.S. Soil Taxonomy that allows clay soils with Vertic properties that occur in cold climates to be classified as Vertisols. In light of these events, a review of the classification of clay soils in Canada by the Soil Classification Working Group led to the recommendation to establish the Vertisolic Order. \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThe main reasons for modifying the Cryosolic Order stemmed from the results of an International Correlation Meeting on Permafrost Affected Soils. In addition work by Charles Tarnocai, Ottawa, and Scott Smith, Whitehorse, who assisted the International Gelisol Working Group in establishing the Gelisol Order for the U.S. Soil Taxonomy led to the modification of the Cryosolic Order. The most significant changes include adding several new subgroups in both the Turbic Cryosol and Static Cryosol great groups and revising the description of all subgroups to make them as uniform as possible and to clearly identify those properties diagnostic of the particular subgroup. \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eAnother new and useful addition to the third edition is the introduction of a Key to Soil Classification, which provides keys to soil orders, soil great groups, and soil subgroups. Complete definitions of each order, great group, and subgroup are contained in the chapter on each order. All the keys are arranged in a systematic order and are based on diagnostic soil criteria (or criterion). \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eIn addition to the revisions described above, a number of errors and discrepancies in the 1987 edition of The Canadian System of Soil Classification have been corrected. As well, the wording has been changed in many instances to remove ambiguity, to standardize terminology, and to make the intent more easily understood.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eCategories:\u003c\/p\u003e\u003cul class=\"category-tree\"\u003e\n\u003cli\u003eScience \u0026amp; Math\u003cul class=\"category-tree\"\u003e\n\u003cli\u003eAgricultural Sciences\u003cul class=\"category-tree\"\u003e\u003cli class=\"category-tree\"\u003eGeneral\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"Natl Research Council of Canada nrc","offers":[{"title":"Used - Good","offer_id":46670647230654,"sku":"0660174049-4","price":49.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9689\/5166\/files\/412BER45FGL._SL500.jpg?v=1776883824"},{"product_id":"0415339057-nature_key_ideas_in_geography","title":"Nature (Key Ideas in Geography)","description":"\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eExploring the shifting ways in which geographers have studied nature, this book emphasizes the relationships and differences between human geography, physical geography and resource and hazards geography.\u003c\/p\u003e\n\u003cp\u003eThe first to consider the topic of nature in modern geography as a whole, this distinctive text looks at all its major meanings, from the human body and psyche through to the non-human world, and develops the argument that student readers should abandon the idea of knowing what nature is in favour of a close scrutiny of what agendas lie behind competing conceptions of it. It deals with, amongst others, the following areas:\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cbr\u003e\u003cli\u003ethe idea of nature \u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ethe 'nature' of geography \u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003ede-naturalization and re-naturalization\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eafter-nature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs everything from global warming to GM foods becomes headline news, the use and abuse of nature is on the agenda as never before. Synthesizing a wealth of diverse and complex information, this text makes the significant theories, debates and information on nature accessible to students of geography, environmental studies, sociology, and cultural studies.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eCategories:\u003c\/p\u003e\u003cul class=\"category-tree\"\u003e\n\u003cli\u003eEngineering \u0026amp; Transportation\u003cul class=\"category-tree\"\u003e\u003cli class=\"category-tree\"\u003eEngineering\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"Routledge","offers":[{"title":"Used - Good","offer_id":46692172202174,"sku":"0415339057-4","price":12.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9689\/5166\/files\/81nkLa7fXAL.jpg?v=1777397766"},{"product_id":"3540648860-dispersal_biology_of_desert_plants_adaptations_of_desert_organisms","title":"Dispersal Biology of Desert Plants (Adaptations of Desert Organisms)","description":"\n\u003cp\u003eDispersal processes have important effects on plant distribution and abundance. Although adaptations to long range dispersal (telechory) are by no means rare in desert plants, many desert plant species do not possess any features to promote dispersal (atelechory), while others have structures that hamper dispersal (antitelechory). The high frequency with which atelechorous and antitelechorous mechanisms are present in plants inhabiting arid areas indicates the importance of these adaptations. Among the benefits derived from these adaptations are the spreading of germination over time, the provision of suitable conditions for germination and subsequent seedling establishment, and the maintenance of a reservoir of available seeds (seed bank). This book describes the ways and means - anatomical, morphological and ecological - by which dispersal in desert plants has evolved to ensure the survival of these species in their harsh and unpredictable environment.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCategories:\u003c\/p\u003e\u003cul class=\"category-tree\"\u003e\n\u003cli\u003eScience \u0026amp; Math\u003cul class=\"category-tree\"\u003e\n\u003cli\u003eAgricultural Sciences\u003cul class=\"category-tree\"\u003e\u003cli class=\"category-tree\"\u003eGeneral\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"Springer","offers":[{"title":"Used - Good","offer_id":46694923829438,"sku":"3540648860-4","price":11.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9689\/5166\/files\/6162Q4ftKrL.jpg?v=1777469773"}],"url":"https:\/\/shop.sustainablebooks.com\/collections\/books-science-math-agricultural-sciences-general.oembed","provider":"Sustainable Books","version":"1.0","type":"link"}