Hayes, R. J. (1940). A method of doubling the yield per unit area of lettuce plants grown in nutrient solution.
Chicago Style (17th ed.) CitationHayes, R. J. A Method of Doubling the Yield Per Unit Area of Lettuce Plants Grown in Nutrient Solution. 1940.
MLA (9th ed.) CitationHayes, R. J. A Method of Doubling the Yield Per Unit Area of Lettuce Plants Grown in Nutrient Solution. 1940.
Warning: These citations may not always be 100% accurate.
