Селскостопанска академия

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Намерени са 5 резултата.

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Автор да съдържа John Clark
Avocado propagation
Пр 1326
Каталог "Книги" | Книги
Avocado propagation
(1957)
John Johnston; Edward Frolich

Citrus propagation
Пр 1326
Каталог "Книги" | Книги
Citrus propagation
(1959)
John Johnston; Karl Opitz; Edward Frolich

Inheritance of awnedness, yield, and quality in crosses betwin bobs, hard federation, and propo wheats at Davis, California
Пр 1196
Каталог "Книги"
Inheritance of awnedness, yield, and quality in crosses betwin bobs, hard federation, and propo wheats at Davis, California
(1928)
J. Clark; Victor Hooker; Victor Florell; и др.

Segregation and correlated inheritance in marquis and hard federation crosses, with factors for yield and quality of spring wheat in Montana
Пр 1205
Каталог "Книги"
Segregation and correlated inheritance in marquis and hard federation crosses, with factors for yield and quality of spring wheat in Montana
(1926)
J. Clark; John Hooker

Photosynthesis and respiration in white spruce and balsam fir
Пр 1666
Каталог "Книги"
Photosynthesis and respiration in white spruce and balsam fir
(1961)
John Clark