Chemical quality indicators of an entisol under different tillage practices in Maiduguri, Nigeria
作者： MM Sauwa , AM Chiroma , AB Alhassan , M Yakubu , SS Noma
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摘要: The impact of tillage on soil quality indicators is useful in the assessment dynamic properties and processes that are for evaluating sustainability crop management practices. influence three systems: no-tillage (NT), reduce (RT) conventional (CT) chemical after about 12 years was evaluated an Entisol Maiduguri, north eastern Nigeria. Soil pH, cation exchange capacity (CEC), organic carbon (OC), total N, available P exchangeable Na, K, Ca Mg were determined samples collected at depth 0-15 15-30 cm. An accumulation OC occurred primarily top (0-15 cm) layer with values 0.296, 0.262 0.196 % NT, RT CT treatments respectively. Total C:N ratio, Mg, CEC, ESP significantly (p ≤ 0.05) influenced by practices particularly surface layer. NT treatment recorded highest most parameters (including OC, TN, K) followed treatment, while least. salinity (EC) sodicity (SAR) attributes, pH other Ca, EXA BS) not affected methods. From study it could be concluded that, adoption conservation systems (NT RT) promotes agricultural environmental studied compared to system (CT).
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