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LucI'. ST., LC.C.S., CARTOFUL, 1975, VOL. V.<br />

191<br />

DL 5% =<br />

2,82 mg/100 g sol<br />

Fig. 8 Efectul cumulat al îngrăşămintelor chimice şi organice aplicate la cartof ::supra conţinutului<br />

de K 2 0 (mg/lOO g sol). Media 1968-1972.<br />

Cummulative effeet of chEmical and biological fertilizers applied in potato cropping, an K z O<br />

content of soil (mg/lOO g soil). Average 1968-1972.

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