Sooty mold of tea

1969~1969

Working content process record of Tainan city water plant

1954~1981

Citrus tristeza

1969~1969

Powdery mildew of tobacco

1969~1969

Helminthosporium leaf spot of rice

1969~1969

Mompa of citrus

1969~1969

White rust of Impomoea reptans

1969~1969

Blue & green mold of citrus

1969~1969

STRUCTURAL THEORY(part one)

1949

Citrus tristeza

1969~1969

Handwritten water plant working experience

1979~1981

Letter from Chao Nee

1991~1992

Structure Practice notes NO.2

1951

Black rot of sweet potato

1969~1969

Cercospora leaf spot of peanut

1969~1969

Wong Tsoo's letter from Chian Changtzuo

1951

Pestalotia leaf spot of persimmon

1969~1969

Brown blight of tea

1969~1969

Tobacco mosaic disease

1969~1969

Wong Tsoo's letter from Zhu Lin for asking about used bamboo as aircraft material

1946