.7 MARKETING -- 2. Basic Concepts for Sustainable Agriculture and Rural Development -- 2.1 KEY CHALLENGES TO AGRICULTURAL SYSTEMS …. Introduction to OrganicAgricultural Practices -- 1.1 FACTORS -- 1.2 THE IDEAL OF PHILOSOPHERS IN ORGANIC AGRICULTURE INPUTS -- 1 ….3 ORGANIC MOTIVATION -- 1.4 NECESSITY IN ORGANIC FARMING -- 1.5 CERTIFICATION REQUIREMENTS -- 1.6 TRADE IN ORGANIC FOOD -- 1 …