Vol. 16—1962 - NorthEastern Weed Science Society

394
Variation due to replicatio:q ap.d materi.al source not significant;
va~1at1ondue to Illaterial rat~lI verYh1'glU1~:j!1gnif1cant at th~,.
0.1 per cent level. ., .... ...
Table VII: . Second Year M~asurement ot,~amaged Area Below
Plots as the'~umber of Feet of Bare 80il
(July 1960)' , .
,nft;eatments AboD',Damaged Area 1+
1
86 4
Replicates ID.Q 810 .' 816 zsa aaa D6
I 0 0 1 1 2.5 2 6 4
II 0 0 I, 1 1 •.5, 1.5 3 3
III 0 0 0 0 0
I· 0 0.5 0.5
IV 0 0 0 0 ~.' .. ". 1 6.5 6
Variation due to replicatio~sj.gnifican.t at the 5 per cent level;
due to mate'rial' source not 's'1gnificant; diiEi:'"t¢liiaterial rates very
highly significant at the O.lper cent lever; ... .
.) .
.'Table VIII: Third Year Sterilization Ratings for Vegetation
'IIi'"15Iots (August 1961) "-.
TreatmeE!!
Replicates m.Q 810. !>16 816. D ... .. ~ D64 ,m
I 0 1 2 3
6"; 8 8 8
II 1 0 0 1 2
8 7
III 0 0 8 . 6 6, ~ 8 9
IV 3 3.5 6 5 9'· 8 1 0
L
Variation due to replication and material source not significant;
variation due ,to material r.ate.~ significant at the 5 per cent
level. .... . ., .. ..
Table IX: Thir~ Year Mea$~rement of p~aged Area Below Plots
as t e Numberpf Feet of ~:r~ Soil (August 1961)
Treatment Aboveppaged Area
D64 s64
Replicates ill.Q SlO 016 S16 ~ ~
I 0 0 0 0 1 . 0.5' 3 1.5
II 0 0 0 0 1 1 1.5 1
III 0 0 0 0 0 0 0 0
IV 0 0 0 0 ,1/' 1 0 0
Variation due to rep'licati9J:l',material source and material rates
not significan~;