Isbn: 9787542429438 - 甘肃农技推广体系建设实践与创新 甘肃科学技术出版社 (1 risultati)

paperback. Condizione: New. Paperback.Pub Date:2022-06-01 Pages:197 Language:Chinese Publisher:Gansu Science and Technology Publishing House has passed the construction of grass-roots agricultural technology extension institutions and the reform of grass-roots agricultural technology extension system implemented in Gansu planting agricultural technology extension system in recent years. A summary of the implementation background. implementation content. main practices and achievements of the construction subsidy and pro.…