Winter wheat: results of long-term fertilizer experiment in Prague-Ruzyně over the last 60 years

L. Hlisnikovský, E. Kunzová and L. Menšík
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L. Hlisnikovský: Department of Nutrition Management, Crop Research Institute, Prague-Ruzyně, Czech Republic
E. Kunzová: Department of Nutrition Management, Crop Research Institute, Prague-Ruzyně, Czech Republic
L. Menšík: Department of Nutrition Management, Crop Research Institute, Prague-Ruzyně, Czech Republic

Plant, Soil and Environment, 2016, vol. 62, issue 3, 105-113

Abstract: The study evaluates how sixty years of application of organic manures and mineral fertilizers (ten fertilizer treatments altogether), planting of cultivars with different length of stem (long- and short-stem cultivars) and preceding crops (potatoes and alfalfa) affected grain and straw yields of winter wheat in the Prague-Ruzyně long-term fertilizer experiment (RFE). Fertilizer treatments did not affect grain yield during the first ten years of the RFE experiment (1959-1968), but influenced straw yield. The grain yield ranged from 5.08 (control) to 5.43 (farmyard manure) t/ha, straw yield varied from 6.02 t/ha (control) to 8.31 t/ha (poultry slurry (PS) + N4P2K2). In the last ten years of the RFE experiment (2004-2013) grain yield ranged from 7.01 t/ha (control) to 8.88 t/ha (stale + N4P2K2), while straw yield decreased and varied from 3.12 (control) to 6.21 t/ha (PS + N4P2K2). Comparing the potatoes and alfalfa as preceding crops, the grain yield was 0.5 t/ha higher after alfalfa, but straw yield was 1.3 t/ha higher after potatoes. Introduction of short-stem cultivars increased average grain yield about 2 t/ha and decreased average straw yield about 0.85 t/ha.

Keywords: cereals; Triticum aestivum; fertilization; dry stalks; crop rotation (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:62:y:2016:i:3:id:746-2015-pse

DOI: 10.17221/746/2015-PSE

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