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Combaterea buruienilor perene din cultura cartofului Slobozia Moarl (I.A.N.B.)<br />

si S.C.Z. Tg. Mureş 1978 (Control of perennial weeds in potato crop)<br />

Tabelul 1<br />

Producţia <strong>de</strong> tuberculi (tuber yidd), t/ha IBu~"n' peeene ,.u. (lliy matt" p...nnial<br />

wecds), q/ha<br />

Factor<br />

Slobozia 1 S.C.Z.<br />

I Media 1 Dif. I<br />

Semn. SlobozJa I S.C.Z. 1 Media I Combat.<br />

Moară Tirgu (Average) (Diff.) % (Sign.)<br />

I<br />

i Moara Tirgu (Average) (control)<br />

(LA.N.B.) Mureş ,(I.A.N.B.) Mllrcş<br />

A. Efectul lucrărilor mecanice (Effect of mechanical tillage)*)<br />

al arat toamna 29,0<br />

~38,9 34,0 - 100 I 12 10 11 -<br />

a 2<br />

arat adinc vara, disc.,<br />

arat toamna 28,0 40,7 34,'1 0,4 101<br />

I<br />

I 11 12 11 -<br />

a g arat vara, arat adinc<br />

toamna 28,0 I 39,4 33,7 0,3 99 I<br />

18 22 20 -<br />

DL 5 % t/ha 0,3 5,4 2,8<br />

0,1% t/ha 0,7 1.3 6,9<br />

B. Influenţa tratamenlelor cu erbici<strong>de</strong> (Effeci of herbici<strong>de</strong>s)**)<br />

b l Netratat 25,1<br />

I<br />

27,0 26,1 100 32 49 40<br />

-<br />

b" Glyphosate 2,5 kg/ha 28,3 44,0 36,2 10,1 139 *** 7 3 5 87<br />

I<br />

b;j Glyphosate 3,6 kg/ha 29,3 43,5 ~36,4 10,3 139 *** 7 2 4 90<br />

b 4 Amitrol 15 kg/ha 30,7 44,1 37.4 11,3 14:3 *** 8 5 6 I 85<br />

DL 5 % t/ha 0,9 2,9 1.9<br />

0,1 % t/11'1 1,7 5,2 2,:3<br />

A + B<br />

1nterocţiuni<br />

I<br />

albI 25,7 27,4 26,{)<br />

I<br />

~7 I 100 I 32 33 33 -<br />

a l b 2<br />

29,1 41,4 35,3 13~3<br />

***<br />

() 1 4 88<br />

alb:) 29,9 43,1 36,5 9,9 1:17 *** 5 2 4 88<br />

a lb 4 31,3 43,6 37,5 10,9 141 I *** () 6 6 82<br />

a 2 b l 24,6 28,9 I 26,8 0.2<br />

24 43 3:3 -<br />

10' I<br />

a 2 b 2<br />

28,0 45,4 36,7 10,1 138 *** 6 1 4 88<br />

a 2 h: J 28,8 42,3 35,6 9,0 U4 *** 7 1 4 88<br />

a 2 b 4 30,7 46,1 38,4 11,8 144 1 *** 7 2 5 85<br />

a 3 b 1<br />

25,1 24,9 25,0 1,6 94 41 68 55 -<br />

a: Jb 2<br />

27,9 45,2 36,6 10,0 138 *** 10 7 9 73<br />

a 3 b;j 29,1 44,9 37,0 10,4 139 *** 10 2 6 82<br />

a 3 b 4 I 30,0 42,5 I 36,3 9,7 136 *** 12 9 11 87<br />

DL 5% t/ha 1,4 5,0 3,2<br />

0,1 % t/ha 2,5 8,9 5,7<br />

*) arat toamna = autumn ploughing<br />

arat vara = sumrtlcr ploughing<br />

1'0.:) disc = disk harrowing<br />

~ arat adinc <strong>de</strong>ep plo11ghing<br />

W **) netratat = ulltrcatcd<br />

I<br />

I

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