‘ · . · . . li B s _
The importance of propel. the foregoing e>tper1ment,'ph0spho1us and potas W rc  
f ,1, , , h . more effective at the time of seeding than when
ern lzauon IS S Own In applied the following spring, even when a light La
“starter” application was used. Results from other if
    experiments throughout the state also indicate that i
an adequate supply of readily available phosphorus a i
P t 7 I l ° 1 is particularly important in establishing a good stand n n
3-S     S and that the available phosphorus in the soil should °
be maintained by frequent topdressings. 4 {
BY E- C- DOLL An ample supply of potassium not only is needed ¢·
for high production but is absolutely essential if a l
. I _ _ . . 1 _ )_ . _ .... . .r"
Oi the ¥¤€=¤lY 20 ·¤¤ll1<>¤¤ MTM Ul K€Ut“°kY faYm$> desirable proportion of legumes is to be maintained. 4
the 1954 agricultural census figures indicate that more Fignio 2 snows din oiioots of increasing tho iatos of `7
· . _ H
than 8 lmlllml HUGS WMV used SOICIY for Pa$tuY€· potash fertilization on the yield of herbage and on
While more than half of this pastured land (58 per- tlio i-oinovol of nomssiinn This Work was done in g; z
cent) was suitable for cropping, more acres of crop- Mnlilonboig oonnty on Ei soil nntni-olly very dofioiont ki.!
lands were used o11ly for pasture than for harvested in notnssinin Tlio Pasture is ii niixtin-C of oi·Cli3_i.d_
crops. liesults obtained at the soil testing laboratories gi-oss, tall fosono, {incl Lndino olovon Yield inoi-oasos ,; Y o
throughout the state indicate that many Kentucky Woi-o obtainod for as mllch as T()() pounds poi noio Y p
lv   __' ..i .i_ i _ .. . *-4
pastmts nttd additional limestone, phosphorus, and of notosli (Kggly but no additional inoioasos Woio ‘
potash for an efficient level of production. obtoinod wlion 2()() pounds poi noio was nppliod on
The importance ol proper fertilization in establish- However, part of the additional potash was removed 6
ing a pasture was shown in an experiment in Simpson by tlio oi-on This is gi-apliionlly illustrated in Fig gh `
county. A imxtuie consisting ol oichaidgrass, tall Since more potassium may be removed by the crop a
lescue, and l.athno clover was seeded in late ALlgl1St, than is actually required for optimum yields and _ _. A
l$)55, on a soil which tested low in both pl10Spl`¤0fUS since potassium may at times be subject to loss [FU"
and potash. x\ very poor stand \VzlS Ol)tUlU€(l Wl1€I‘€ through leaching, annual topdressings seem to be ·}L·<
lI() f(‘l`flllZ(‘l' \V2lS Lll)l)ll(‘(l i.. €
ri the ) ~     ~~ ~~—#—~   ln this experiment, nitrogen fertilization had prac-
.·\dequate phosphorus and potash must be avail- tically no effect upon either the yield or nitrogen iq .
able if a thick, vigorous stand is to be obtained. In content of the herbage. _A
U
*4
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on the estabhsluncnt ol pas- ·g*,_ig__·s_    li ·;&_\£·i;§ii;ii_¥    .*»‘ ·?.‘   2**    14   , Ti
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