Studies on the new marketing system of agricultural product Research on the WTO legal system of agricultural trade Brand building and marketing of agricultural products Study on the marketing channels of fresh agricultural products in China Study on legal system of agricultural insurance Research on conflict and integration of marketing channel of agriculutural products 并列题名：Study on the marketing channels of fresh agricultural products in China Drying theory and technology of agricultural products Study on perfecting the system of agriculture insurance 并列题名：Brand building and marketing of agricultural products