Zango Oumarou

Effects of Mineral Fertilizers and Environment on Agronomic Performance and Nitrogen Fixation of Six Groundnut (Arachis hypogaea L.) Genotypes

Harou Abdou, OUMAROU ABDOULAYE Moussa, Zango Oumarou & Abdou Rabiou · Asian Journal of Biology · 2025

In the Sahel, groundnuts play a major role in human and animal nutrition, as well as in cropping systems. However, this crop is often grown on nitrogen- and phosphorus-poor soils, accompanied by pockets of drought during the cycle. This can have negative effects on its agronomic...

Open access Research Article 10.9734/ajob/2025/v21i2484

Morphological Characterization of Okra (Abelmoschus esculentus L. Moench.) in a Sahelian Environment in Situ

Abdou Rabiou, DAHIROU BOUBE Massaoudou, Harou Abdou, OUMAROU ABDOULAYE Moussa, Zango Oumarou, AGBO So Timothée Kouassi & Bakasso Yacoubou · Asian Journal of Biology · 2026

Okra is a very important plant in Niger for its fruit. However, its cultivation is mainly practiced during the rainy season. Unpredictable weather results in low yields for this rainfed crop. This study focuses on the variability of morphological types of okra accessions in a rur...

Open access Research Article 10.9734/ajob/2026/v22i1612

Effects of Fertilizers on Growth and Yield Parameters of Mirriah Pepper (Capsicum frutescens L.) in Zinder, Niger

Idi Saidou Sani, MAAZOU Rahila, MAHAMAN ISSA Méno, Rabiou Abdou, Zango Oumarou, Rabiou Habou, Mahamane Ali & Bakasso Yacoubou · International Journal of Plant & Soil Science · 2026

This study, conducted in the botanical garden of André Salifou University in Zinder, aims to evaluate the effects of mineral and organic fertilizers on the growth and yield parameters of the local variety of Mirriah long chili pepper (Zinder region). Factorial randomized block de...

Open access Research Article 10.9734/ijpss/2026/v38i15927