Turkish Journal of Field Crops

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NITROGEN CONCENTRATIONS AND NITROGEN YIELDS OF ABOVEGROUND DRY MATTER OF CHICKPEA DURING CROP GROWTH COMPARED TO PEA, BARLEY AND OAT IN CENTRAL EUROPE

R.W. Neugschwandtner, H. Wagentristl, H.-P. Kaul

Abstract

Alternative crops like chickpea could become of interest under Pannonian climate conditions in Central Europe due to forecasted changes in climate. Therefore a two-year trial was conducted to evaluate concentrations, uptake and yields of nitrogen (N) during crop growth of chickpea (Cicer arietinum L.) compared to pea (Pisum sativum L.), barley (Hordeum vulgare L.) and oat (Avena sativa L.) as affected by N fertilization with either calcium ammonium nitrate (CAN) or the depot fertilizer Basacote® Plus 6M (DF) in eastern Austria. Chickpea had the lowest above-ground dry matter (AGDM) and N yields among the four crops in 2006; however, it could gain higher AGDM and N yields than those of barley and oat under drought conditions in 2007. N concentrations and N yields throughout crop growth were increased by increasing rates of N fertilization (with CAN showing generally higher values than DF). Chickpea had a high crop N uptake rate and a high relative N uptake rate even under drought conditions. Thus, results indicated that chickpea could be an alternative crop in dry environments for achieving reasonably N yields in Central European growing conditions.

Keyword: Chickpea, Cicer arietinum, nitrogen, uptake rate, Central Europe ,
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Effects of Different Water Stress Levels on Biomass Yield and Agronomic Traits of Switchgrass (Panicum virgatum L.) Varieties under Semi-Arid Conditio

Erdal GONULAL, Suleyman SOYLU, Mehmet SAHIN

Abstract

A field experiment was conducted in the Wielkopolska region at the Gorzyń Research Station, Poland (52.34°N, 15.54°E) in Central Europe. The study was conducted over a 3-year period (2017, 2018, 2019) as a two-factorial design with four replications in the RCBD. The aim of the research was to determine the effect of the cultivar (‘Bolero’, ‘Tytan’) and the inoculation (Nitragina–seeds inoculation, Nitroflora I–seeds inoculation, Nitroflora II–soil inoculation, HiStick® Lupin–seeds inoculation) on plant development, seeds chemical composition and yielding of narrow-leaved lupin. The weather conditions and experimental factors significantly influenced on productivity of narrow-leaved lupin ‘Tytan’. Drought during the growing season reduced seeds and protein yields. After inoculation of HiStck the seeds yield was significantly greater by 12.4% (p < 0.01) and the protein yield after application of Nitroflora I or HiStick by 13.9% (p < 0.01) and 19.2% (p < 0.01), respectively. Correlation coefficients showed strong relations between number of pods and seeds per plant in both cultivars regardless of the inoculation variant, however the strongest relations in both cultivar were proved on HiStick treatment.
Keyword: Biological nitrogen fixation, chemical composition, legumes, protein efficiency, yielding
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