Influence of grass weeds on the yield and profitability of field crops in western Canada

Autor:	J. T. O'Donovan
Rok vydání:	1990
Předmět:	Agronomy Field (physics) Agroforestry Yield (finance) Profitability index Mathematics
Zdroj:	Influence of grass weeds on the yield and profitability of field crops in western Canada /
DOI:	10.5962/bhl.title.102844
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a690aeebf2642d92f4359ca622bd8d4a https://doi.org/10.5962/bhl.title.102844 Zobrazit plný text záznamu