【摘要】 在高土地生产力水平的条件下，影响土地生产力可持续性的因素是多方面的。树立土地生产力的系统观并采用综合的可持续的技术体系，全面提高农业土地生产力水平十分必要。可持续的农作技术体系的基本特征：集约性、持续性、综合性和适用性。更多还原

【Abstract】 More factors will influence sustainability of land productivity for a farming system with higher output. It’s necessary for us to study systemlly land productivity and building a integrative, sustainable agri techniques system. Intensivity, sustainability, integration, and suitability are four basic characteristics of sustainable agricultural techniques.更多还原