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Soil tillage methods by years interaction for dry matter of plant yield of maize (Zea mays L.) using additive main effects and multiplicative interaction model

作  者:
Bocianowski, Jan;Szulc, Piotr;Nowosad, Kamila
单  位:
Wroclaw Univ Environm & Life Sci, Dept Genet Plant Breeding & Seed Prod, Grunwaldzki 24A, PL-53363 Wroclaw, Poland;Poznan Univ Life Sci, Dept Math & Stat Methods, Wojska Polskiego 28, PL-60637 Poznan, Poland;Poznan Univ Life Sci, Dept Agron, Dojazd 11, PL-60632 Poznan, Poland
关键词:
AMMI model;biplot;Zea mays L.;dry matter of plant yield;stability
摘  要:
The objective of this study was to assess soil tillage methods by years interaction for dry matter of plant yield of maize (Zea mays L.) grown in West Poland by the additive main effects and multiplicative interaction model. The study comprised four soil tillage methods, analysed in 12 years through field trials arranged in a randomized complete block design, with four replicates. Dry matter of plant yield of the tested soil tillage methods varied from 86.7 dt ha(-1) (for no-plough tillage in 2005) to 246.4 dt ha(-1) (for complete conventional tillage in 2012), with an average of 146.6 dt ha(-1). In the variance analysis, 49.07% of the total dry matter of plant yield variation was explained by years, 12.69% by differences between soil tillage methods, and 10.53% by soil tillage methods by years interaction. Dry matter of plant yield is highly influenced by soil tillage methods by years factors.

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