Browse on keywords: fertility nitrogen asymbiotic fixation
Search results on 06/18/18
7281. Vlassak, K., E.A. Paul and R.E. Harris. 1973. Assessment of biological nitrogen fixation in grassland and associated sites.. Plant Soil, 38:637-649.
Saskatchewan, Canada; clay soil; fixation rates of 2 kg N/ha/yr under native grassland; Less on cultivated soils; Nostac species associated with a moss were fixers; also Clostridia and Klebsiella.