Phillips, T.

Some effects of potassium and nitrogen on the composition of the tomato plant / T.G. Phillips, T.O. Smith and J.R. Hepler - Durham, N.H. : Agricultural Expriment Station - 11 p. - New Hampshire Agri. Exp. Sta. Technical Bulletin; 73 .

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NitrĂ³geno -- efecto en tomate
Potasio -- efecto tomate