Effect of Soil Moisture on Emergence Patterns of Principal Annual Weeds on Upland Fields. Zasokenkyu (Weed Research, Japan), Vol.22, No.1, pp.33-38 (in Japan) 1977
Changes in Weed Vegatation and Competition between Upland-rice and Weeds in Upland Irrigation Culture. Zasokenkyu (Weed Research, Japan), Vol.26, No.4, pp.16-20 (in Japan) 1981
Effect of Soil Moisture on Emergence Patterns of Principal Annual Weeds on Upland Fields. Zasokenkyu (Weed Research, Japan), Vol.22, No.1, pp.33-38 (in Japan) 1977