The Diversity of Biomass of Arthropod Community in Jujube Yard Ecosystems THE DYNAMICS OF DIVERSITY AND THE COMPOSITION OF NUTRIENT CLASSES AND DOMINANT GUILDS OF ARTHROPOD COMMUNITY IN DIFFERENT INTERCROPPING AND MANAGING JUJUBE YARD ECOSYSTEMS STUDIES ON THE DIVERSITY AND INSECT COMMUNITY IN DIFFERENT INTERCROPPED AND MANAGED JUJUBE YARD ECOSYSTEMS