Volume 13, Issue 4 (2025)
QJIA 2025, 13(4): 98-109 |
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Mohammadzadeh A, Lotfi R, Azimzadeh Y, Ghahramanian G, Pouralibaba H R, Mohammadi N, et al . The Impact of Production Management Factors on the Yield of Rainfed Forage Pea in Cold Semi-Arid Conditions. QJIA 2025; 13 (4) :98-109
URL: http://journal.sbkiran.ir/article-1-291-en.html
URL: http://journal.sbkiran.ir/article-1-291-en.html
Arash Mohammadzadeh 
, Ramin Lotfi , Yaser Azimzadeh , Gholamreza Ghahramanian , Hamid Reza Pouralibaba , Naser Mohammadi , Akram Mirzaei , Sorayya Navid
, Ramin Lotfi , Yaser Azimzadeh , Gholamreza Ghahramanian , Hamid Reza Pouralibaba , Naser Mohammadi , Akram Mirzaei , Sorayya Navid
Dryland Agricultural Research Institute, Agricultural Research, Education and Extension Organization (AREEO)
Abstract: (51 Views)
Field pea (Pisum sativum spp . arvense L.), as a legume crop is a viable alternative crop that can be integrated into cropping rotations with cereals within dryland farming systems. However, crop production under rainfed conditions, which is highly dependent on climate, is associated with high risk due to weather fluctuations and uncertainty. Therefore, identifying the optimal levels of manageable factors is essential for effectively mitigating the risks associated with environmental factors, particularly those related to climatic conditions. In the present study, the effects of managerial factors, including sowing date, sowing depth, and plant nutrition, on the yield of forage pea were investigated through a split-plot factorial experiment conducted with three replications. This study was carried out over two growing seasons, 2022-23 and 2023-24, at the Dryland Agricultural Research Institute (DARI) located in Maragheh. The main plots consisted of two planting dates (Entezari or dormant seeding, and spring), while factorial combinations of fertilizer application at two levels (application and no application) and sowing depth in three levels (3, 6 and 9 cm) were assigned in sub-plots. Forage yield was significantly affected by planting date, sowing depth, and fertilizer application. The optimal sowing depth was determined to be 6 cm. Additionally, optimal plant nutrition significantly improved forage yield. In the first year, the forage yield associated with the Entezari sowing date was marginally superior to that of the spring sowing. However, in the second year, the yield from the spring sowing date was significantly higher than that from the Entezari sowing date. In general, while Entezari planting can extend the crop growth period and optimize the use of environmental resources, the simultaneous emergence of pests, such as cutworms (Agrotis spp.) and leaf beetles, during years when outbreaks are possible can cause significant damage and reduce crop yields compared to spring planting.
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