principal component analysis. 第1页

PRINCIPAL COMPONENT ANALYSIS OF THE LEAF CHARACTERISTIC OF PAULOWNMIA CLONES IN THE SEEDLING STAGE A PHENOLOGICAL STUDY ON MAIN TREE SPECIES OF MONTANE HUMID EVERGREEN BROAD LEAVED FOREST IN AILAO MOUNTAINS Low-temperature response and cold tolerance at spike differentiation stage of winter wheat varieties sowed in spring. Characteristics of Carex brevicuspis and its impact factors in Dingzidi, East Dongting Lake. Variation in the Agronomic and Morphological Traits of Iranian Chickpea Accessions