Throughout history sustainable agriculture and mans welfare has been based on deep, rootable, living, nutrient rich and moist (fertile) soils.

• 纵观历史，持续农业以及人们的福利建立在深厚、可扎根、具有活力、富含养分以及湿润的土壤基础上，用一句话概括建立在肥沃的土壤上。