Effect of Animal Manure and Trace Element on The Growth of Camelina sativa under Drought Stress in the West of Iran

Mohsen Janmohammadi; Hasan  Kouchakkhani; Asghar Ebadi-Segherloo; Naser Sabaghnia

doi:10.56093/aaz.v64i3.165922

Authors

Mohsen Janmohammadi Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, P.O. Box 55181-83111, Iran
Hasan Kouchakkhani Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, P.O. Box 55181-83111, Iran https://orcid.org/0009-0001-2365-1055
Asghar Ebadi-Segherloo Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, 1136756199, Iran https://orcid.org/0000-0001-9714-6089
Naser Sabaghnia Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, P.O. Box 55181-83111, Iran https://orcid.org/0000-0001-9690-6525

https://doi.org/10.56093/aaz.v64i3.165922

Keywords:

Animal manure, Camelina sativa, trace elements

Abstract

Camelina sativa is a relatively new oilseed crop adapted to semi-arid conditions. The present experiment was conducted to evaluate the effects of different levels of animal manure application (0, 10 and 20 t ha^-1, abbreviated as AM₀, AM₁₀ and AM₂₀), as well as micronutrient applications (control, Fe, and Zn @ 7 kg ha^-1), on the growth and yield characteristics of camelina in the west of Iran. Plants were irrigated under deficit irrigation conditions (FC 60%) from the planting stage to the beginning of reproductive growth, and with full supplementary irrigation during the reproductive stage. The highest main stem height was achieved with AM₂₀ + Zn and AM₂₀ + Fe. This trend was also observed for lateral canopy growth, and the application of iron with high levels of manure increased this component by 32% compared to the control. The application of AM₁₀ and AM₂₀ increased the chlorophyll content of leaves by 5% and 20% compared to the control. The highest silique number was obtained under AM₂₀ + Fe conditions, while the application of zinc under AM₀ conditions resulted in the highest number of seeds in silique. The heaviest seeds were obtained with the application of AM₁₀ + Zn or Fe. The highest seed yield was obtained with the application of AM₂₀ + Zn (1361 kg ha^-1) and AM₂₀ + Fe (1344 kg ha^-1), which showed an increase of 18% compared to the control. The results showed that there are synergistic effects between the application of manure and micronutrients. To improve the effectiveness of Fe and Zn fertilizers, the use of high levels of manure is recommended. The application of manure can improve the performance of camelina in semi-arid regions by improving the physical and chemical conditions of the soil and improving the water retention capacity of the soil.

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