Environmental and nutritional effects on yield and nitrogen efficiency of chickpea (Cicer arietinum L.) in a warm and semi-arid climate of Iran

To move toward the principles of ecological agriculture in the direction investigating environmental and nutritional effects on yield and nitrogen efficiency of chickpea (Cicer arietinum L.), a field experiment was conducted on the experimental farm of Gonbad Kavous University, Iran; during the grow...

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Bibliographic Details
Published in:Journal of plant nutrition 2020-07, Vol.43 (17), p.2610-2621
Main Authors: Doaei, Farima, Nakhzari Moghaddam, Ali, Rahemi karizaki, Ali, Aldaghi, Majid
Format: Article
Language:English
Subjects:
agronomic efficiency
Agronomy
Arid climates
Aridity
Biofertilizers
chickpea
Chickpeas
Cicer arietinum
Ecological effects
Efficiency
Environmental effects
Experimental farms
Farms
Inoculation
Mesorhizobium
N rate
Nitrogen
Planting
planting date
protein
Proteins
seed yield
Seeds
Semiarid climates
Straw
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Summary:To move toward the principles of ecological agriculture in the direction investigating environmental and nutritional effects on yield and nitrogen efficiency of chickpea (Cicer arietinum L.), a field experiment was conducted on the experimental farm of Gonbad Kavous University, Iran; during the growing seasons of 2016 and 2017. The experimental layout was based on a factorial randomized complete block design with three replications and three factors. Three factors were Nitrogen (N) at four rates (0, 20, 40 and 60 kg N ha −1 ), two planting date (early January and early February) and two Mesorhizobium biological fertilizer levels (inoculation with Mesorhizobium and no-inoculation). Maximum seed yield, N agronomic efficiency, N utilization efficiency and N use efficiency were obtained from early January. The highest protein percent in seeds and N percent in straw were obtained from early February. Although, protein percent of seed, N percent of residues and seed yield increased with N rate, the N agronomic efficiency and N use efficiency decreased. The inoculation with Mesorhizobium had positive effects on yield and N use efficiency but had negative effect on N agronomic efficiency. The effect of biofertilizer levels was different at each planting date for seed protein percent in 2016.
ISSN:0190-4167
1532-4087
DOI:10.1080/01904167.2020.1793177