秦始皇陵研究 (中国語) Description 洋書 Oxford Reading Tree Value Pack 1 Permaculture(permanentagriculture)istheconsciousdesignandmaintenanceofagriculturallyproductiveecosystemswhichhavethediversity,stability,andresilienceofnaturalecosystems.Itistheharmoniousintegrationoflandscapeandpeopleprovidingtheirfood,energy,shelter,andothermaterialandnon-materialneedsinasustainableway.Withoutpermanentagriculturethereisnopossibilityofastablesocialorder.Permaculturedesignisasystemofassemblingconceptual,material,andstrategiccomponentsinapatternwhichfunctionstobenefitlifeinallitsforms.Thephilosophybehindpermacultureisoneofworkingwith,ratherthanagainst,nature;ofprotractedandthoughtfulobservationratherthanprotractedandthoughtlessaction;oflookingatsystemsinalltheirfunctionsratherthanaskingonlyoneyieldofthem;andofallowingsystemstodemonstratetheirownevolutions. 洋書 WOLFGANG TILLMANS 3 VOLS SET
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