Olaghere IL. EFFECT OF CROPPING PATTERN ON THE PROFITABILITY OF LIQUID FERTILIZER USAGE IN DRY SEASON VEGETABLE PRODUCTION IN THE SOUTHERN GUINEA SAVANNAH ZONE OF NIGERIA. J. Agric. Sci. (Bg.) [Internet]. 08. Oktobar 2018. [citirano 20. Septembar 2026.];63(3). Dostupno na: https://test.aseestant.ceon.rs/index.php/jas/article/view/14068