Download Tag: AN ALFISOL

viii ABSTRACT Groundnut (Arachis hypogeaa L.) productivity in Nigeria has remained low over the years due to the inherent low fertility status of the soils of the savanna, a region where it is mostly grown by small holder farmers with limited imputs. Groundnut can fix atmospheric nitrogen through symbiotic association with native rhizobia but unfortunately, the amount of N2 fixed is usually not enough due to the presence of ineffective ...

ABSTRACT   An experiment was conducted to determine the effect of soil moisture deficit (stress), soil compaction and nitrogen sources on performance of soybean. The trial was conducted in two phases; the first was a screen-house experiment in the Department of Soil Science, Ahmadu Bello University, Zaria while the second was a field trial at the University Research Farm of the Institute for Agricultural Research, Samaru, Zaria. The screen house ...