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. 2022 Jan 26;8:804663. doi: 10.3389/fnut.2021.804663

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Copyright © 2022 Galani, Ligowe, Kieffer, Kamalongo, Kambwiri, Kuwali, Thierfelder, Dougill, Gong and Orfila.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effect of conservation agriculture on the nutrient content of maize variety DKC 9089 during two seasons of field trials. Error bars represent SEM. *, **, and *** mean, significant at 0.05, 0.01, and 0.001, respectively, Tukey's HSD test. Values in (J,K) are the number of fold-change compared to treatment T1 (conventional practise). Treatments: T1 = conventional agriculture; sole maize. T2 = conservation agriculture (CA); basin sowing; sole maize. T3 = CA; dibble stick sowing; sole maize. T4–5 = CA; dibble stick sowing; maize-cowpea rotation. T6 = CA; dibble stick sowing; maize-pigeon pea intercrop. T7 = CA; dibble stick sowing; maize-cowpea intercrop. T8 = CA; dibble stick sowing; maize-velvet bean intercrop.