Field evaluation of nitrogen fixation and use of nitrogen fertilizer by sorghum/pigeonpea intercropping on an Alfisol in the Indian semi-arid tropics

The Concept of a ‘Land Equivalent Ratio’ and Advantages in Yields from Intercropping

R. Mead, R. W. Willey · Experimental Agriculture · 1980 · 1.2K citations

Agriculture, Agronomy, Crop Sciences +17

N2-Fixation in Field Settings: Estimations Based on Natural 15N Abundance

Georgia Shearer, DH Kohl · Australian Journal of Plant Physiology · 1986 · 1.1K citations

Life Sciences, Earth Sciences, Ecology +14

Methods for Evaluating Nitrogen Fixation by Nodulated Legumes in the Field

Mark B. Peoples, A.W. Faizah, Benjavan Rerkasem et al. · AgEcon Search (University of Minnesota, USA) · 1989 · 367 citations · Full text

Agriculture, Agronomy, Plant Sciences +14

Estimation of N2 fixation by isotope dilution: An appraisal of techniques involving 15N enrichment and their application

Phillip M. Chalk · Soil Biology and Biochemistry · 1985 · 269 citations

Natural Sciences, Earth Sciences, Analytical Chemistry +12

Improving the nitrogen nutrition of maize by intercropping with cowpea

A. R. J. Eaglesham, A. Ayanaba, V. Ranga Rao et al. · Soil Biology and Biochemistry · 1981 · 188 citations

Agriculture, Agronomy, Crop Sciences +12