Vol. 16—1962 - NorthEastern Weed Science Society

198
BFPlCTSOF SOIL rQTILITY ONS,PfAZINB.INJURJ.J'C),lflJUBRYPLANTS:
PRELIMINARY"RESULTS 1" .,.. .
8.YJ. F. Abrens, D. V. Sweet, and J. R. Havis 2
Si.aill8 baa lIecOlM1qeful.lor weeel cOlltf:~l 1.n"ooely ornamentals.,
Conaicler.bJ.e~8l'~atiOD .1n pla1l¢j\.t~1.'J:'ADce baiJ"e,ffeporteel, however?iti,~~ll. in
rate. of_.all1e .aDcI.tIIIOnapl~t- .pecie.. .So!). .t",e, is recopheel to~lu.nce
~~::i;:t~1i::~:i:~.;;t~~r,~~p~:;=~t.J=:i::~i~~t~e::u~:I"',~~o;y
were planll8d Joillt17 b7workefa .t the COllD8ct'ic\it~&I\4.Ma.sachusetts .... IC,u1..
tural Exped_Dt Stations.' .... '~. " . .
" .:.' : ,;;.. " '
MNrIRIALS ANDMBTHODI." .1
Tta ar"Dilou .. tdal ... ; eoDclucteel atWaltliiui.· Mes.achusetta, allcl't1le-:
field test vas conducted at WIDd8Of:,COIU1ecticut.,; ':~~"
GreeEs •• eri_atu:
The so11 mix cOllllated of 2 puts of' ·ft .... ncl7' 10_;' 2 part1l.:aat1,Wl
peat and 1 put baak sand. Dola-itic limestolle .a. addeel .t the rate of
1/2 cupful per bulhel. Fertiliser rates were. 0, 625, alld 1250 pounds of
8-16-16 fertiliser per &Cre, calculated 011 an area basil. SImaline rates
were 0, 1, 2, .ael 4 ,_d. actual per .cre, ca1eu1at:ed 011 an u .. basbic:frOlD
411l'aoulu
soU, _d
f--.alation.
the Illxt.es
ruUU .. zoanci ai_d .. were tboroullll;y1llixH vith
.ere placed, io wooden f·lat.,I foot x 2 feet x' 3 1__ s
deep. Bachtr.at_at .aa replicated thre. tt.s. . cr..
j'J,
PIve' plat. each' of tile followilll vare .at "zoe-root In each nat~'
1m! media .IiW!.. (rooted cutU~~)
LlIYatrY! ibol&u! (rooted cuttl~)
Tsu,a canadeyls (l-year seedUnaa)
The pPert.llt was set u,on JuDe 22, 1961. ,Atthia t1llle cOlDP~d~e soil
s&IIPles of. euhof the fertllher treatment_wete :tUblIlitted to the Mol''' quick
test. .
, So:l.1S&lllple. were al.o talulll on Auplt 1 fr_ the 2-pound rate of.
silDadne. Followina ue the result. of the Au.,astl testl:
Rate of rertllhatioll pH ~ .!!!!t P205
o 6.3 VL L M
625 6.2 L L MH
1250 6.0 MH L MH
These qUick test me.sur"'et. show that
existed durina ~h. perioel of ob"J:'Vatlon.
~o Soluble Salts (1-5)
VL
L
K
.sitterences
. -r.,
o
2.
10
1contrlbution No. 1333 Massacllusetts AgdculturalIXper1lllent Station.
111 fertility levets
2Collnecticut Aaricultural Experimellt Statioll, Windsor J University of
Massachusetts Field Station, Waltham (dece •• ed), and University of
Haal.chua.tta. Ambe~8t. ~ap.~tively.