Funding for this research was provided by:
King Abdulaziz City for Science and Technology (12-AGR2554-02)
Text and Data Mining valid from 2019-05-31
Received: 4 October 2018
Accepted: 23 May 2019
First Online: 31 May 2019
Ethics approval and consent to participate
: The RPW collections were generated with the direct permission of a cooperating landowner (Al-Kharj and Al-Qassim of Saudi Arabia). We confirm that no field experiments were involved in this study.
: Not applicable.
: The authors declare that they have no competing interests.