Разширено търсене
Автор да съдържа D. Cummins
Пр 1637
Каталог "Книги" | Книги
Influence of planting date, hybrid maturity and plant population on production and quality of irrigated and nonirrigated corn for silage
(1975)
D. Cummins
Пр 1637
Каталог "Книги" | Книги
The influence of plant population nitrogen rate and hybrids on production and quality of corn for silage
(1976)
D. Cummins
Пр 1637
Пр II 556
Каталог "Книги" | Книги
Effects of preemergence and postemergence herbicides on pearl millet
(1980)
D. Cummins; W. Hardcastle