ISSN 2616-3926 Volume 1 Issue 1, February 2018 ISSN 2616-3926 Bhutanese Journal of Agriculture is registered with the ISSN International Centre, Located in Paris 75003 (France), 45 rue de Turbigo. Editor -In-Chief Mr. Mahesh Ghimiray, Specialist II, Agriculture Research and Development Centre (ARDC), Bajo Editorial Board Mr. Tirtha Bdr. Katwal, Specialist III, ARDC-Yusipang Dr. Yadunath Bajgai, Principal Research Officer, ARDC-Yusipang Dr. Tshering Dorji, Principal Agriculture Officer, National Soil Services Centre, Semtokha Ms. Phub Dem, Principal Agriculture Economist, Policy and Planning Division, MoAF, Thimphu Mr. Lhap Dorji, Program Director, ARDC-Wengkhar Member Secretary Mr. Wangda Dukpa, Chief, Agriculture Research and Extension Division, Department of Agriculture (DoA), Thimphu Journal Focal Ngawang, Agriculture Officer, Agriculture Research and Extension Division, Department of Agriculture (DoA), Thimphu Editorial Correspondence The Bhutanese Journal of Agriculture welcomes the submission of research articles and short communications. Article may be submitted to
[email protected] or
[email protected]. Please follow the journal format, which the author guidelines are accessible from www.moaf.gov.bt or contact at +975-2-322228/331316. Publisher Agriculture Research and Extension Division, Department of Agriculture, Ministry of Agriculture and Forests, Thimphu: Bhutan Post Box 113, Postal Code 11001 Journal Design & Format by: Mr. Ngawang, Agriculture Research and Extension Division, DoA, Thimphu Printing Company United Printing Press, Thimphu: Bhutan Copyright © Department of Agriculture, 2018 Ministry of Agriculture and Forests, Royal Government of Bhutan A part or whole of this publication may be reproduced or disseminated with proper acknowledgement to the above address. Readers are encouraged to send comments or feedback on articles in this journal for future improvement.