ISBN: 9787810925549 - ningxia arid planting structure optimization and upgrading of production capacity(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Pages Number: 455 Publisher: Northwest A & F University Pub. Date :2009-10-01 version 1. Contents: Preface Chapter I Background and arid Ningxia section the basic ideas of one. two climatic resources. land resources. three . water four or five of biological resources. socio-economic conditions of Section II the basic features of an agricultural production. dry farming is the main two areas of agriculture. the traditional dominance of agriculture. three-livestock integration i.…