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1.,U'-:L ST., LC.C.S., CARTOFUL, 1975, VOL. V.<br />

189<br />

DL5%=1,08mgflOO g sot<br />

Fig. 7 Efectul cumulat al îngrăşămintelor chimice şi organice aplicate ta cartof asupra conţinutului<br />

de P20~ (mg/100 g sol). Media 1968-1972.<br />

Cumulative effect of chemical and bi.ological ţ~rti!izers ap~~i~~ in. _~

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