Response of maize to liming and ameliorative phosphorus fertilization

KOMLJENOVIC, Ilija and MARKOVIC, Mihajlo and DJURASINOVIC, Goran and KOVACEVIC, Vlado (2015) Response of maize to liming and ameliorative phosphorus fertilization. COLUMELLA: JOURNAL OF AGRICULTURAL AND ENVIRONMANTAL SCIENCES, 2 (1). pp. 29-35. ISSN 2064-7816

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Abstract

The field experiment of liming (0 and 10 t ha -1 of powdered hydrated lime) and phosphorus (P) fertilization (monoammonium phosphate or MAP: 12% N + 52% P 2 O 5 ) started in autumn 2008 on acid soil of Laktasi municipality (Republic of Srpska, Bosnia and Herzegovina). Three doses of P (0, 500, 1000 and 1500 kg P 2 O 5 ha -1 ) on ordinary fertilization were applied. The experiment was conducted in four replicates. Basic plots of liming and P fertilization were 640 m 2 and 40 m 2 , respectively. Maize was grown in monoculture. Under drought stress of 2011 and 2012 yields were considerably lower (mean 3.86 t ha -1 ) than in the remaining two years (mean 9.20 t ha -1 ). As affected by drought and high air-temperature, particularly in August, the 2012 growing season was especially unfavorable for maize growth because mean yield in the experiment was only 2.06 t ha -1 or 22% of yield realized in the 2010 growing season. As affected by liming yield of maize was increased by 31% (4-year mean), while P effect was considerably lower (6.14 and 6.65 t ha -1 , for the control and average of ameliorative P treatments, respectively)

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