Preliminary Study to Classify Suitability Zones for Pummelo cv. Khao Taeng Gua

Abstract

preliminary study to classify suitability zones for pummelo cv. Khao Taeng Gua by surveying in Chainat province. Systematic random sampling of 76 orchardmans observation and interview were employed for data collections. the results were summarized and found that there are 28 soil series in chainat province and pummelo cv. Khao Taeng Gua have grown in 14 soil series. Most of Pummelo Chainat province and pummelo cv. Khao Taeng Gu have grown in 14 soil series. Most of Pummelo orchards located in Tha Muang soil series; then Kampangsean soil series which distributed on the bank of river. source of plant meterials came from the reliable orchards. The type of planting are the planting are the plain or ditch area which depend on topography and their experiences. Ground water is the main sourec for irrigation supply. There were difference levels in maintenance and inputs. Orchardmen had selected and adopted the suitable technology by their attention and experiences. Importance pests were leafminer, canker and squirrel. Test of independence indicated that growth was depended on soil drainage and available phosporus. The quality of yield was depended on soil depth and soil reaction.