期刊
【关键词】
="Daily efficiency of nectar of kinds of plantsdaily efficiency of sugar of kinds of plantsefficiency of nectar of communitiesresources of nectarthe maximal and minimal parameters of efficiency of nectar"
摘要 :
Efficiency of nectar and sugar 124 a kind of plants from 23 families is studied. The kinds producing the greatest quantity of nectar are revealed. Resources of nectar of 31 communities of the Ryazan area are estimated.