Concepedia

Takeo Koyama

TK

Statistics

Publications

11

Citations

268

H-Index

11

Active since

1967

Affiliations

National Institute of Animal Health(Current)

Electronic Navigation Research Institute

Takeo Koyama is an author at National Institute of Animal Health specializing in engineering, ship maneuvering, and maneuvering control.

Publications per year

1967–1993

11

Publications

11

Variations of natural 15N abundances in the tissues and digesta of domestic animals.

Madoka Sutoh, Takeo Koyama, Tadakatsu Yoneyama · RADIOISOTOPES · 1987 · 118 citations · Full text

Agriculture, Animal Sciences, Zoology +8

The transformations and balance of nitrogen in Japanese paddy fields

Takeo Koyama · Nutrient Cycling in Agroecosystems · 1981 · 22 citations

Agriculture, Agronomy, Soil Sciences +12

The Determination of Collision Avoidance Action

Hayama IMAZU, Takeo Koyama · The Journal of Japan Institute of Navigation · 1984 · 17 citations · Full text

Business, Decision Sciences, Decision Analysis +7

Soil-plant nutrition studies on tropical rice

Takeo Koyama · Soil Science & Plant Nutrition · 1971 · 16 citations

Agriculture, Agronomy, Soil Sciences +17

AN EXPERT SYSTEM APPROACH TO COLLISION AVOIDANCE

Takeo Koyama, Yan Jin · 1987 · 16 citations

Engineering, Computer Science, Marine Engineering +15

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