Varietal characteristics and nitrogen fixation in cowpea
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Keywords

Nitrogen fixation
Cowpea
Yield

How to Cite

Varietal characteristics and nitrogen fixation in cowpea. (1983). Tropical Agriculture, 60(4). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2434

Abstract

Twelve cowpea varieties were evaluated in a time-phase study for nodulation and dry matter and N accumulation. Consistent differences were observed between varieties for all parameters. Significant relation- ships were observed between total N and shoot weight, total N and nodule weight and total N and seed yield. Top growth appeared to have a significant effect on N fixation and may be a valuable criterion in breeding for increased N fixation in cowpea.
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