Conclusions
Right from the beginning of the experiment the effect of N treatment was dominant. The effect of maize stalks was smaller, only becoming pronounced after 20 years. It can be concluded on the basis of the 44 years of data that without N fertilisation the application of 7.5 t ha−1 maize stalks led to a significant increase in the yield compared with the control treatment. Stability analysis on the experimental data demonstrated that the application of maize stalks could contribute to adaptation to environments with lower yield averages. The year had a substantial effect on the maize yield level and the treatment effect was considerably reduced in dry years. The yield stability of the treatments in diverse environments is just as important as the effect of the experimental treatments on the maize yield.
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Berzsenyi, Z., Dang, Q.L., Micskei, G. et al. Effect of Maize Stalks and N Fertilisation on the Yield and Yield Stability of Maize (Zea mays L.) Grown in a Monoculture in a Long-Term Experiment. CEREAL RESEARCH COMMUNICATIONS 35, 249–252 (2007). https://doi.org/10.1556/CRC.35.2007.2.21
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DOI: https://doi.org/10.1556/CRC.35.2007.2.21