Allelopathic effects of cultured Cucurbita moschata root exudates Allelopathy of root exudates from two genotypes soybeans on root rot pathogenic fungi Effects of peanut mixed cropping with different gramineous plants on apoplast iron accumulation and reducing capacity of peanut. Isolation and Identification of the Allelochemicals in Walnut (Juglans regia) Root Exudates Secretion Dynamics of Phenolic Acids from Poplar (Populus×euramericana ‘Neva’) Seedling Roots under N,P Deficiency Conditions