Financial support (MI) was provided by Department of University Affairs, Ministry of Education, Thailand. Leaf nitrogen concentration was analysed by Kjeldahl methods at the Scientific Instrument Centre, Walailak University, Thailand.
Financial support (MI) was provided by Department ofUniversity Affairs, Ministry of Education, Thailand. Leafnitrogen concentration was analysed by Kjeldahl methods at theScientific Instrument Centre, Walailak University, Thailand.