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Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

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Record number 407342
Title Growth and biomass productivity of kenaf (Hibiscus cannabinus, L.) under different agricultural inputs and management practices in central Greece
Author(s) Danalatos, N.G.; Archontoulis, S.V.
Source Industrial Crops and Products 32 (2010)3. - ISSN 0926-6690 - p. 231 - 240.
Department(s) Crop and Weed Ecology
Publication type Refereed Article in a scientific journal
Publication year 2010
Keyword(s) northern australia - simulation-model - tropical australia - sowing date - yield - nitrogen - cultivation - irrigation - water - crop
Abstract The growth and biomass productivity of kenaf (Hibiscus cannabinus, L.) cultivars Tainung 2 and Everglades 41 were determined under three irrigation applications (low: 25%, moderate: 50% and fully: 100% of maximum evapotranspiration; ETm), four nitrogen dressings (0, 50, 100 and 150 kg hat), two sowing dates, and two plant densities (20 and 30 pl m(-2)) in two field experiments carried out on an representative aquic soil of western Thessaly plain (central Greece), in the period 2003-2005. The results demonstrated a paramount effect of sowing time (and thus the availability of the vegetative growing period) on crop growth and biomass productivity; delayed sowings (after mid-May) may reduce biomass production by 38%. Irrigation water had a significant effect (P <0.05) on growth indices and biomass productivity fluctuating upon flowering from 15.1 to 18.5 and to 20.3 t ha(-1) (3-year average values) for the low, moderate and fully irrigated plants, respectively. Stems are the economic yield comprising about 87% of the total biomass in all cases. The relatively small effect of 50% irrigation to biomass production was attributed to the increased soil moisture status of the studied (aquic) soil. Contrarily, N-fertilization in the studied range did not affect significantly growth and productivity due the high fertility status of the soil, while plant population in the study range had a minor effect (P > 0.05) on biomass accumulation. Cultivars performed similar growth rates (no significant differences), which under full water and nitrogen inputs reached maximum growth rates of 180-220 kg ha(-1) day(-1) which may serve as reference for the assessment of crop performance under production situations at hierarchically lower input and management levels for central Greek conditions.
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