Kangai to hatasakumotsu

Kangai

Meiji nenkan kangai haisui jigyou shiryou

Chikasui o riyouseru denryoku kangai jigyou

Ta no kangai haisui ni kansuru joukyou chousa

Dojou suibun doutai o kouryoshita hatachi kangai yousuiryou no kettei shuhou

（田畑灌漑用喞筒宣伝）

Hiryou to sakumotsu

灌漑要図

Shinsui to nousakubutsu

Shinsui to nousakubutsu

Kangaiyo suigen

Araru kairyuuiki no kangai nougyou ni okeru yousui kanri to nouchi hozen ni kansuru kenkyuu

Sakumotsu kongun ikinai no dojou suibun hendou tokusei o riyoushita kangai sukejūringu shuhou ni kansuru kenkyuu

Shokubutsu eiyou to inasaku

Nougyouyou yousuiki ni kansuru chousa : fu ta no kangai haisui ni kansuru joukyou

小作農家と灌漑溝（松平農場）

Kangaiyou ponpu kikai

Houtou no sosai engei nougyou ni okeru kangai : houtou toukason jittai chousa houkoku

Meikaku ou sho kangaikyo hi

朝鮮の水田と灌漑

江部乙滝川連合灌漑溝 : (灌漑面積四千一百街歩)

Jinushi to kosakunin

Jinushi to kosakunin

Toroisekinokangaimizoato