Planting configuration performance and ecological relationship of root crops [cassava and sweet potato] planted singly and in combination with other crops [corn and sorghum; study conducted in the Philippines]

asia asie cereales cereals convolvulaceae cropping patterns crops cultivos cultivos de grano dicotiledoneas dicotyledons ecologia ecologie ecology economic plants euphorbiaceae feed crops feed grasses filipinas geraniales glumiflorae grain crops gramineae gramineas graminee grasses hortalizas (plantas) industrial crops ipomoea ipomoea batatas manihot manihot esculenta mode de culture monocotyledons oil crops philippines plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plante plante de culture plante industrielle plante racine plants root crops root vegetables sorghum starch crops sugar crops tubiflorae vegetable crops zea mays