Reduction of chemical fertilizer usage in mandarin orchard and effects on yield and quality of mandarin fruits: On farm trial at Fang district, Chiang Mai province

Vassana Viroonrat. Faculty of Agriculture. Department of Plant Science and Natural Resources E-mail:virunrat@gmail.com; Kritsadaporn Sangsawang; Ampan Bhromsiri. Faculty of Agriculture. Department of Plant Science and Natural Resources; Thaworn Onpraphai. Faculty of Agriculture. Department of Plant Science and Natural Resources

Reduction of chemical fertilizer usage in mandarin orchard and effects on yield and quality of mandarin fruits: On farm trial at Fang district, Chiang Mai province

2012

Vassana Viroonrat(Chiang Mai University, Chiang Mai (Thailand). Faculty of Agriculture. Department of Plant Science and Natural Resources) E-mail:[email protected] | Kritsadaporn Sangsawang | Ampan Bhromsiri(Chiang Mai University, Chiang Mai (Thailand). Faculty of Agriculture. Department of Plant Science and Natural Resources) | Thaworn Onpraphai(Chiang Mai University, Chiang Mai (Thailand). Faculty of Agriculture. Department of Plant Science and Natural Resources)