2K 



KlOroK'l' ON Cuoi' PKdimCTION Ol' 'I'lIIO 



1:l', 1::7 ;iih1 ir.l. TIic (I;i|;i sccmrd ill |S!)!> ;m(l l!l(l(l iirc oivcii 

 Iktcu i( li, l(»j;<'lli('r willi ;i siiiiiiiuiiv ol' llic (tiilcoinc of (lie six 

 v<';ii s' (»lisi'i\ ;i( ions. 



The iiriiiiiiiv objecj of llicsc cxpcriniciits \v;is lo j^iiiii iiironiia- 

 lidii comciiiiii;^' (lie (|ii;iii(ilv of rcililizcr wliicli is pi'dlilahlc ill 

 |:(ilnl() |ii(i(lii( I ion uiuicr llic coiHlilioiis vvilli wliitli l;on^ Isliind 

 fanners Iimvc lo deal. 



(MIkm- prohli-ins incidcnl.il (o llio ninin one, hiij pci'liiips (-(lually 

 iinp'Oi'laiil or more so, siicli as (1) (lie iiiosi cnit-icnl inixhire of 

 in^icdicnls, ("_') I lie iicccssily lor a j^ciicroiis use of |»olasli in 

 jiolalo j^rovvinj;', (.'{) llic cllccls (d' llic ditVcrciil Tornis (d' polasii, 

 (4) llic possibility ol" (•oiiliinioiis crojipiii};' when only (■oiiiinercia 1 

 i'crlili/cis are applied lo llic land and (H) llic essential ladors in 

 ferrdily, may be sliidi<Ml in (he lij;hl ol' I he observed dala. 



TLAN OV MXrMKlMKNTS. 



'riic exjjei'iineiil (d' IS!)."! and IS!I(! was condiicled on llic farm 

 (d' II. \j. llallock, .lamesporl. Tw ciily six ]tlals, about oni'-ei<;h|h 

 of an acre cacdi, were nsed. Ten dilTcrciil brands of ferlilizcrs 

 were apjdicd, each supposed lo be especially adapted lo |)olato 

 j;r,iwiii^, in (|nantities of l,(M»(> lbs., I,.")!)!) lbs. and LMMMI lbs. per 

 acre. TIk' several brands contained from L'.(i to 1.5 per cl. of 

 nitrogen, fioni (> to !I.S |)ei' cl. »d' available ])liosphoric acid and 

 from (l.l! to ILT) per cl. (d' ]>(dasli. 



In ISDT ex|t('rinienls were instituted on four (juile widely sop- 

 aiated farms on l.on^ Island as follows: 



W. A. I'Mcet, (Mil(dio,-;ne. 

 . 1 1. L. I lallock, dames.;ior(. 

 \\'. I., dajij^cr, Southampton. 

 K. 11. liobbins. KasI Willislon. 



For the tirsi year tw.. acres of land wcro utilizod on onch farm 

 and in 1S!)S another acr(> was added in each locality. The total 

 number of plats in 1S!>7 was SO and in 1S!)S, IS!)!), and !!)()() i| was 

 120, tlu' plats beiii;;' onetenth acre in si/.e. 'riieic were lliere- 

 f(U'e 'M) plats on eaidi farm, and Hie Irealnieiit be<;nn the lirst 

 vear was (.'ontinued nniformlv thioii^honl llie four vears. 



