Photosynthetic pigments accumulation and some growth indices of cowpea, maize and tomato in response to interspecific and intraspecific competition stress

Ezekiel Dare Olowolaju, Adekunle Ajayi Adelusi

Sciences in Cold and Arid Regions . 2017, (2): 120 -126 . DOI: 10.3724/SP.J.1226.2017.00120