Alfalfa yield prediction by some vegetative indices and environmental variables in Southern Khorasan: Case study of Sarayan

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Mohammadi Sayed Abdoleh; MAJNOUNHOSSEINI NASSER; Moghadam Hussein; OVEISI MOSTAFA

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Journal: Iranian Journal of Field Crop Science Year:2020 | Volume:51 | Issue:1 Page(s): 137-148

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Title

Alfalfa yield prediction by some vegetative indices and environmental variables in Southern Khorasan: Case study of Sarayan

Author(s)

Mohammadi Sayed Abdoleh | MAJNOUNHOSSEINI NASSER | Moghadam Hussein | OVEISI MOSTAFA | Issue Writer Certificate

Keywords

AlfalfaQ2

climateQ1

validationQ1

yield predictionQ3

Abstract

This study was conducted to predict Alfalfa forage yield based on some climatic, soil and vegetative indices (PVI) derived from Sentinel-2 sensor in Sarayan (Southern Khorasan) of Iran in July 2018. Alfalfa yield data were collected from 52 points (10 of those experimental points) in two consecutive harvests to predict Alfalfa performance, a stepwise multivariate linear regression was used. Results showed that the Alfalfa performance map, in both consecutive harvests, with the mean of rainfall, PVI index and soil class was significant at 1% probability level. validation showed that R2, RMSE and GMER were 0. 82, 0. 88 and 0. 91, respectively, indicating the high compliance of the estimated performance model with the actual yield of Alfalfa. Also, the results of chi-square test (P = 0. 99) showed non-significant difference between actual values and estimated hay yield during two harvests. Therefore, due to the high reliability of terrestrial observations and climatic data in the region, these variables can be used to provide proper utilization pattern for forage plants.

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APA: Copy

Mohammadi, Sayed Abdoleh, MAJNOUNHOSSEINI, NASSER, Moghadam, Hussein, & OVEISI, MOSTAFA. (2020). Alfalfa yield prediction by some vegetative indices and environmental variables in Southern Khorasan: Case study of Sarayan. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 51(1 ), 137-148. SID. https://sid.ir/paper/376590/en

Vancouver: Copy

Mohammadi Sayed Abdoleh, MAJNOUNHOSSEINI NASSER, Moghadam Hussein, OVEISI MOSTAFA. Alfalfa yield prediction by some vegetative indices and environmental variables in Southern Khorasan: Case study of Sarayan. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2020;51(1 ):137-148. Available from: https://sid.ir/paper/376590/en

IEEE: Copy

Sayed Abdoleh Mohammadi, NASSER MAJNOUNHOSSEINI, Hussein Moghadam, and MOSTAFA OVEISI, “Alfalfa yield prediction by some vegetative indices and environmental variables in Southern Khorasan: Case study of Sarayan,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 51, no. 1 , pp. 137–148, 2020, [Online]. Available: https://sid.ir/paper/376590/en

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