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MPACT OF RAIN-FED RICE CROPPING SYSTEMS ON SOIL FERTILITY IN CENTRAL AND NORTHERN BENIN: N. F. ANAGO*, G. D DAGBENONBAKIN**, E. C. AGBANGBA***, C. T. B OUSSOU**, F. CHABI*, A. SAIDOU* & G. L. AMADJI*. ASA 2020, 20 (1), 1-17. https://doi.org/10.2023/mqx4jt80.