Studies in photosynthesis at the level of the cell, leaf, plant and crop levels were part of a collaborative program with the Hawaiian Sugar Planters' Association.
(Studies in photosynthesis at the level of the cell, leaf, plant and crop levels; were; part of a collaborative program with the Hawaiian Sugar Planters' Association)
Studies in photosynthesis at the level of the cell, leaf, plant and crop levels
were
part of a collaborative program with the Hawaiian Sugar Planters' Association