Developmental processes of root system were investigated for nine species in Graminae, such as, Barley, Wheat. Corn, Rice, Job's tears, Millet, Barn-yard grass, Oats and Sorghum. They were sown in seed-boxes (30 x 15 x 15cm or 30 x 60 x 15 cm) filled with sandy loam in May, July and September for summer crops and November, January and March for winter crops during in 1948-1949. From germinated time till 4-7 leaves stage they were dugged up 4-7 days interval for investigation. The results were summarized in the following table and figure.
Mendeley出力
