Effect of Conservation Agriculture on Maize Yield in the Transilvanian Plain, Romania

نویسندگان

  • M. A. Grigoras
  • A. Popescu
  • D. Pamfil
  • L. C. Cota
چکیده

An experimental study is presented on the effect of Conservation Agriculture (CA) compared to Conventional Agriculture (ConvA) upon Maize Yield based on split-plot model. Two factors have been considered: A Factor-Fertilization with two variants: A1N40P40 kg/ha and A2N90P70 kg/ha; B FactorCrop protection with 4 variants : B14 treatments, B2-3 treatments, B32 treatments and B41 treatment. In comparison with conventional agriculture, CA determined lower maize yields. Fertilization is the key factor determining a yield gain of 973.58 kg/ha in ConvA and 1,123.33 kg/ha in CA. A reduced number of treatments determined a yield decline. The A-B interaction had a positive effect on maize yield when a larger amount of fertilizer and 4 or 3 treatments were applied in ConvA and a benefic in CA for highest fertilization level and 2 treatments. The B2A2 ConvA variant was the most efficient leading to 302.67 kg/ha gain while B3A2 CA variant brought 181.33 kg production gain. Keywords—conservation agriculture, conventional agriculture, maize, yield

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تاریخ انتشار 2012