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anale 9.pdf - Institutul National de Cercetare Dezvoltare pentru ...

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DESIMEA CA FACTOR DE INTENSIVIZARE55Tabelul 4Influenţa <strong>de</strong>simii <strong>de</strong> plantare asupra producţiei <strong>de</strong> tuberculi, funcţie <strong>de</strong> calibrul cartofilor <strong>de</strong>sămînţă plantaţi, cu nivel <strong>de</strong> fertilizare mediu -120 kg/ha s.a. NPI((Effect of <strong>de</strong>nsity of pJants on tuber yield in function of size of tuber seed on a mediumfertilized soil)Braşov, 1974-1976Soiul DesireeSoiul EbaCalibrul Desimeatuberculilor <strong>de</strong> plantare,plantaţi, mm cuiburi/hat/ha % dif. t/ha OI.(Size) (Density) /0 dif.I I I I30-40 40000 40,2 100 - 40,1 100 -60000 41,0 102 0,8 42,0 105 1,9*80000 41,2 102 1,0 40,3 100 0,240-50 40000 44,3 100 - 45,5 100 -60000 45,9 104 1,6 43,8 96 _1,7°80000 44,0 99 -0,3 43,9 96 -1,7°50-55 40000 50,5 100 - 46,5 100 -60000 49,7 98 -0,8 47,6 102 1,180000 48,2 95 _2,3°° 45,3 97 -1,2DL 1,7; 2,3; 2,9Tabelul 5Influenţa <strong>de</strong>simii <strong>de</strong> plantare asupra producţiei <strong>de</strong> tuberculi, funcţie <strong>de</strong> calibrul cartofilor<strong>de</strong> sămînţă plantaţi, pe nivel superior <strong>de</strong> fertilizare (260 kg/ha s.a. NPK)(Effect of <strong>de</strong>nsity of plants on yield <strong>de</strong>pending on seed tuber size, on a high fertilized soil)Calibrul Desimeatuberculilor <strong>de</strong> plantareplantaţi, mm cuiburi/ha(Size) (Density)Soiul DesireeBraşov, 1974-1976Soiul EbaI I I It/ha % dif. t/ha % dif.40000 38,3 100 - 38,1 100 -30-40 60000 41,9 109 3,6* ** 41,0 108 2,9***80000 47,8 125 9,5*** 42,2 111 4,1***40000 45,0 100 - 43,5 100 -40-50 60000 46,5 103 1,5 44,4 102 0,980000 47,1 105 2,1* 46,2 106 2,7**40000 47,3 100 - 44,6 100 -50-55 60000 50,4 107 3,5*** 46,9 105 2,3***80000 52,2 110 4,9*** 47,2 106 2,6***DL 1,7 ; 2,3; 2,9

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