Varietal trial of sweet potato in rainy and dry season [in Thailand]

agronomic characters asia asie convolvulaceae crops cultivar cultivars cultivos dicotiledoneas dicotyledons economic plants hortalizas (plantas) industrial crops ipomoea ipomoea batatas periodicidad periodicity plantas plantas azucareras plantas feculentas plantas industriales plante plante de culture plante industrielle plante racine plants productividad productivity profitability rendement rendimiento rentabilidad root crops root vegetables saison seasons starch crops sugar crops tailandia temps thailand tiempo time timing tubiflorae vegetable crops yields