INTRODl'CTION ir, 



mnthematics is nurobtTs. qnnntity and raacnltud*: of botany. 



plants ; of ornitholo>;y, binis; of en' •» 



iBtry, the composition of niuttor: <■ ,■ 



but n;;rirultnre is a nioHuic of ii> ,, 



Or, it may bp said to bo a couip .j, 



as nu>»li»Miu« anil snrjjery aro. Hut if thi»n» \n i of 



agriculture as distinct from othor wifnccii, tlu« |' , ;. of 



agriculture must bo scientific; and the fact that it ia « rooaaie 

 makes it all the more difficult to fullow, and rnforvra tb« im- 

 portance of executive judgment and farm • praelicA orer nvrv 

 scientific knowl»-dpe. 



'2'2i. The ])rovince of a text -book of airriculturti. in otlM>r 

 wonls, is to deal (1) with the orif^innl j>i. r»l 



wealth rather than with its ninnufa<-turi'. r. 



for these latter enterpris< s are l;iri;i>ly mitt.-m >>( r 



ouinstnnce and individuality, and CJ) with thox«< j nd 



facts which are common to all atrrioulturo, or which tamj tx« 

 considered to be fundatuental. 



'2'2h. In other words, we roust Kearch for prineiplra, not for 

 mere facta or information: wo ahall »oek to aak why Imforr wr 

 ask how. Principles apply everywhere*, but facta and rulr« may 

 apply only where they ' -n 



laws; but there are tt ■ ii 



is chiefly the overconiin^f of iuert« oi>!.:«. .« », ■•> 



pitious weather, and the like. There are gr- »!• 



which the learner must compreh< nd ; therefor* wo abail •«« 

 nothinfr, in thi<< bo<>k, about tliH ineidculalK. »• th« kitida of 

 weeds, the brnndtt of fertilizers, the breeds of aaiisala, the vari* 

 tiei of flowern 



