Estimation of biological nitrogen fixation associated withBrachiaria andPaspalum grasses using15N labelled organic matter and fertilizer

Nitrogen Mineralization as Affected by Soil Moisture, Temperature, and Depth

1980 • 338 citations

Nitrogen Fixation by Free‐living Microorganisms

1976 • 303 citations

Estimating N2-fixation in the field using 15N-labelled fertilizer: Some problems and solutions

1983 • 278 citations

Influence of Inorganic Nitrogen on Nitrogen Fixation by Legumes as Revealed by N15¹

1958 • 263 citations

Estimates of N2-fixation from variation in the natural abundance of 15N in Sonoran desert ecosystems

1983 • 245 citations

Nitrogenase Activity and Oxygen Sensitivity of the Paspalum notatum-Azotobacter paspali Association

1972 • 245 citations

Microbial biomass formed from 14C, 15N-labelled plant material decomposing in soils in the field

1981 • 223 citations

Confirmation of nitrogen fixation in two tropical grasses by 15N2 incorporation

1977 • 111 citations

Mineralization of Carbon and Nitrogen in Soil Amended with Carbon‐13 and Nitrogen‐15 Labeled Plant Material

1974 • 85 citations

Determination and Isotope‐Ratio Analysis of Different Forms of Nitrogen in Soils: 6. Mineralizable Nitrogen

1967 • 74 citations

Nitrogen fixation by nodulated soybean under tropical field conditions estimated by the 15N isotope dilution technique

1984 • 61 citations

The use of the ¹⁵N isotope dilution technique to estimate the contribution of associated biological nitrogen fixation to the nitrogen nutrition of Paspalum notatum cv. batatais

1983 • 57 citations

The 15N-isotope dilution technique applied to the estimation of biological nitrogen fixation associated with Paspalum notatum cv. batatais in the field

1983 • 44 citations

Use of ¹⁵N enrichment of soil mineralizable N as a reference for isotope dilution measurements of biologically fixed nitrogen

1983 • 25 citations

Nitrogen assimilation and dissimilation in five genotypes of Brachiaria spp.

1981 • 16 citations