TY - BOOK AU - Hewitt, E J (Ed.) AU - Cutting, C V (Ed.) TI - Nitrogen assimilation of plants T2 - Sixth long ashton symposium 1977 SN - 0-12-346360-2 PY - 1979/// CY - London: PB - Academic Press Inc. Ltd., KW - Agriculture KW - Reduction KW - Demonstration ER -