A. Shinagawa

Preparation of Al-humates and their aluminum content and cation-exchange capacity

T. Higashi, A. Shinagawa, N. Miyauchi, 1982 .

Comparison of sodium hydroxide-tetraborate and sodium pyrophosphate as extractants of Al/Fe—Humus “complexes” in dystrandepts, Japan

T. Higashi, A. Shinagawa, 1981 .

Study on clay mineralogical characteristics of hill and terrace soils of Bangladesh.

A. Shinagawa, N. Miyauchi, Lutfe Alam, 1993 .

STUDY ON CLAY MINERALOGICAL CHARACTERISTICS OF CALCAREOUS AND NONCALCAREOUS SOILS OF BANGLADESH

A. Shinagawa, N. Miyauchi, Lutfe Alam, 1993 .

Phosphorus Sorption by Al(Fe)-Humus Complexes in Volcanic Ash Soils

T. Higashi, A. Shinagawa, 1981 .

Land Development Works and Soil Erosion in Okinawa Prefecture

T. Higashi, T. Katayama, A. Shinagawa, 1985 .