Toshiaki Ohkura

National Institute for Agro-Environmental Sciences NIAES
3-1-3, Kannondai
Tsukuba JAPAN Email: tohkura@affrc.go.jp

Papers:
9:30 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 154-23 Factors Controlling Organic Amendment Application Rate and Long-Term Change in Application Rate in Japanese Orchard Using Longitudinal Questionnaire Survey Dataset (the Basic Soil Environment Monitoring Project, Stationary Monitoring, 1979-1998).
3:20 PM, Duke Energy Convention Center, Room 252, Level 2 405-9 Factors Controlling Organic Amendment Application Rate and Long-Term Change in Application Rate in Japanese Upland Field Using Longitudinal Questionnaire Survey Dataset (the Basic Soil Environment Monitoring Project, Stationary Monitoring, 1979-1998).