主要的约束包括农业基础设施差，产品市场低效，信贷不足，土地贫瘠，劳动力市场不景气等。
Key constraints include poor physical infrastructure, inefficient product markets, lack of credit, and weak land and labor markets.
农业合作社协助小生产者拓展市场，获取信贷、保险、技术，从而增强生产力。
Agricultural cooperatives help to improve the productivity of small producers by facilitating access to markets, credit, insurance and technology.
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