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212<br />
P. ZAHAN şi colab., Aplicarea localizată a îngrăŞăn:iintelor chimice la cartof.<br />
KALKO B. A., 1966, Postuplenie fosfora V' rasteniia .kartofelea V zavisinastî ot sposobov<br />
vneseniia ladobreniî, Dokladi AkJaldremii nauk SSSR,<br />
KALKO B. A., 1~968, Sposobî lokalnogo vneseniia osnovnogo mineralnogo udobreniin<br />
pod kartofel i ih effektivnost. Poci~a, udobrenie i urojai, UR..SS.<br />
K!ALKO B. A., 1966, iSravnitelnoe deistive nitrofoski i ekvivalentai smesi prostih<br />
udobrenii pri lakalnom i razbrosnom vnesenii ih .pod kartofel. Po:civ.a, IUdobrenia<br />
i urojai, URSS.<br />
K:ALINIClENKO V. G., W6,7. Deistvie nitrofoski na urojai i kacestvo klubnei kartofelea<br />
sorta Priekulskii vanii, Zapi!s. leningr. s-h. Inst., 105, 5.<br />
KAL'INICiE:NKO V. G., 1967, Vliianie nitrofoski na nekotorîe biochiceskie osobennosti<br />
kartofelea, Zapi:s. lening;r. s-h Inst. 105, 4.<br />
MIASON M. G., O~X W. J., 1968, Ingrăşămintele complexe azoto-fosfatice. Traid.<br />
eTIigleză. Centru Docum. Agric., Bucureşti.<br />
MOLDOVANY M., VILAGI E. 1970, Ingrăşarea extraradiculară cu îngrăşăminte<br />
simpe sau com.plexe. M,agyar Mezogazdasag, 25, 26, Budapest, VegYlmlivek.<br />
PETUHOV, M. P., CIUMAREV M. L., 1969, Effektivnost slojnîh i smesanîh udobrenii<br />
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TECHNOLOGY OF SPOT TREAJTMENT WITH FERTILIZERS APPLIED AT<br />
POTiATO PLANTING CON'CURRENTLY W,I,TH THE CULTURAL PRACTIC'ES<br />
SUMMARY<br />
Experiments were conducted during 1968 - 1972 at the Research Institute<br />
for Potato and Beet Growing (R 1 P B), Braşovand Livada Experiment Station,<br />
in order to establish the tfertilizerapplioatiion technology. The results evidenced<br />
the efficiency of complex Ichemi:eal fertilizers 23: 23 : O, applied inthe levels of<br />
150 .~gjha on the humic half gley soU of R 1 P (B - Br:aşov as well as in the<br />
levels of 100 - 200 kg/ha on rthe Liv:ada podZJolic saH in order to increase the<br />
potalo yie1ds. At R II P B - Braşov SiPot treatmeut wHh Ichemkal fertilizers resulted<br />
in yieIds which proved to be symHar to thevalues obtained with fertilizer<br />
proaidicasti,ng; appIkation of the ,cO'ITljplex fertilizer :2,3: 23 : O at Livada on a br'Uwn<br />
forelst, medium podzolized soH, resulted in significant yield increases in case oÎ<br />
spot treatment. As \concerning the effkiency of the two fertilizer types, te. the<br />
singleand complex fertilizers a symilar efficiency was noted in case of equivalent<br />
active ingredient levels; the split,ting of total fertiEzer levels and their application<br />
at different stages did not result in yield incr:eases. Among the iOompared application<br />
methods of single and complex fertilizers, best results were uoted in case of<br />
side dressings, 5 cmabove the tubersi.e. when a soU layer was interposed between<br />
fertilizer and tubers.<br />
DIE TECHNOLOGIE DER LOKALtlStIERTEN ANWENDUNG DER<br />
CHEMIISCHEN DUNGEMIITrI'EL GLE'IiOHZEITIG MIT DER<br />
KARTOFFELPFLANZUNG UND DER DURCHFUHRUNG DER<br />
P,FLEGEARBEI:TEN<br />
ZUSAMMENFASSUNG<br />
Fur di'e Fle'SlteNung der Anwenldun.gstechnologi:e der ,chemi,schen.. Dungemlttel<br />
wulid:en ilffi Zei'tramm 1968 - 1972 LExlPer:imen:te beim FOl1'schun'gsinsti1tu1 fila:<br />
KHrtof,f'elibam Braşov und :bei der VersuchsstaJbion Livada,. dur,chg'eilihrt. Dieerzielten<br />
Ecr::geb!n:i:sse halben die Elffilzi'enz der kompexen: Durugemittei 23 :2,3:0 die in<br />
H6he VOJl, 150 l~gl/iha ,alui eiuem· HaIhgleybaden, bei;m Fior,s:ch'lllIltgsi:nsif;itUit fUr Kartofflellibml<br />
BJ'alşOIV u:nd von 100 - 200 kg/ha aiuf Podsol (Bleicherlde), bei der v.e.r-
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