Show home ome e course ou e S in mo modern adern a A agriculture gri culture BB how plants eat and grow by C V GREGORY I 1 agricultural zit aistrop aotoa state college copyright 1003 1008 by Ame american press association it BRY aror grotkin ing pi int 1 n A 1 latte 0 facto facton ibe file ticen oj 01 lin of the tr ir chi rophii la 6 the elight auslin 1 the I ile 1 Is the power tint thit inake maikos tb the engine is I 1 and the air ind som orn I 1 of the in the tie soil lit ine the he ran materials under the in influence fluence or of sunlight the chlorophyll taleb takes the lie car bon didde gas of the all aud and tile the I 1 ati ter nitrogen on ud 11 d miner minerals ils thich the roots end up tip in ia the form forin of ci ude sap and them to piece ilion it puts them together agila it in of 0 diffor LIlt hiyi it mikes abw into the st at arch of I 1 the lie potato or the sugar of the sugar beet it puts them boget together or in another war and makes makei the hard bar horny gluten of a kernel 0 of I 1 popcorn or tho the tough fiber of a cornstalk by 1 no FIG in III THE GROWTH OF ORI CORSI LOOTS BOOTS build lii them up tip in still differ different clit vil it nial mal t LS ill the bird ii wood od ct f t the lie 0 aik oik ik or dr th plicate fattal pi tills of a lose 11 in 11 bilth all liis ills skill kill ind mich lii ins lie noci 1 I lit bian ell all al IL to make any III an d ducts net half so R cordei fill is ire aang it I 1 alf 0 di in carr hold on mur Nour faim filin if lie tit in giua iott and itro haj 3 must list ae I 1 e noil ell ltd klimt lilla thi JIN Ni ellit of it plant la 6 mide up ut of c ill 11 in ll prim ill im ill if I 1 i f r till 1 I s front t alie lie nil 1111 i 11 ill alde of nf tin ill I 1 i otto of lit mill it M mill ill list I 1 1 tl 11 alf if hla K IS kl 11 nil that hint l I li i in fit 1 I 1 laii I ald tf if ill 11 inias doi tell 11 u clr r the acre aarl rh kiil c nn nit ina in of tin air by the wind Is 1 ili ilus iab bri fro it suii ills athin reach af of ill alit i I 1 lint lilt lilt fun rd r di Ls s not lint need nd ti j hlin elf with tile the of di 11 oaid id ful foi cn tario lie lic builds buflo I 1 i cie or nin brettos be is adding to thi ill stun stoll of till tills ill I 1 it in 11 alln lit ill the smooth I 1 noot II 11 spir of if i i loit is 1 loth air ind i n itar ti tio lit it oil the her lije tr art ari of 14 i hili ire rl ri ill tile of jhc thc ali plant ilant it 1 is till U asli il alln e 1111 leilis its that curl art it is taken anti inti int ithie lie li IL if if tu bf used b the hie chi I 1 n pin phi it II in 11 1111 11 in st irah and othi othir r pro iro duis dutts out it f v arbon 11 IdL and ami N itar same llie un nn 1 la fahn oft off alil out tile gonings pon Ings la ili the deities thua yu yi u arc e thit flints breath in much tit tie sinic w N ly la is mili nals do on only ly thel glo on off tile the product chich 19 1 used bj animals tind and take up ill carbon the gas aich Is breathed brea thid d out b animals lu in this v I 1 15 isa plants inake animal life PIs possible sible ant mats she off carbon and manure jo as in te products III alinta in t tear these aste pio products ducts to and ba rebuilding them male them once more into food tor for the animal i I 1 next to carbon and ot oll gen cen ire re tile the food that the plant usei in ili largest ince ancl anater ater la Is composed of these elements the therel sup sul ply vill III bf pit plentiful adful ti ig w as there is plenty of leater lit in the hie soil goll goni there Is I 1 one cle clemeal meat nitrogen 1 mitch forms I 1 considerable consi drable lvir pirt t oi of I 1 the plant that li Is haiar t t j acet of NN maile till ehrl foutt nintha ninths lis of tile the air ii 1 the th doos not stem siem to lie bo little alile to 0 o use it lit in this form I 1 lie oil lind kind of flints that jn in use the litt iolen lil in flit far tt it nil all ire tile alie lirums IkUI ULl s suh sui li is lirar ind certain I 1 that me lie on tile the nuts lots of tit tins hae ill alio i ncr of ch ingin lne at t to nit alit 11 lilt f fi i ins ing in N alii ill li 11 hi F alint I 1 lilt c cin in n U e it vie ile hill stanli nnie nime ib it ut mt tin till pro iss aitio LU Is title of in ili it I 1 up lilt r t tint tit 11 lilt int 1701 art anil it 1 1 oo 00 tit tint it i 1 tra ir often leu I 1 liblin acl ni it if tile I 1 11 I 1 lilt int call not of ct a it cf ulolo cn it to lc ah ili stop lO Tili earin eal i III id the i I 1 rd r d N ill I 1 ie L orn er anut it duncil ri saiki ili ill ii tilt di rn er iv is ii ati iti the j 1 I I 1 if f th it ann inet get crt thell fi ni ill UK si 4 11 tilt firm pr reua co cc to it il it 11 it lit llari ri i 1 i 1 lilt iii n tifai cupl lj thin re ill if lie he N ille isaios to tn 1 1 t biln lilt it lir I 1 ir if MU u i i ill dop drop i i little rah ami I 1 I 1 1111 v 1 soil coll fil n 1 lit in ml 11 0 i f r I 1 II 11 t will v ni RO go up tit in sin sia il I 1 e pirt that burn bairn i 1 sand 1 I emde up r f ve tit to ie a VI 1 infiniti initha inhar h 1 Is ceen ined i ell tills animus lir liro 1 l ini n gunts lunts 1 it f en cri ili ml trint triin this Fuu eunice tel tho the greiter iliin gilr ft f till tie ile dillont 1141 rusdi 1 3 tile lie I 1 lint lilt inest come if v ur clil nl 11 1 1 loicl 11 in I 1 1 ill 01 plied finnus thin allx rr I 1 is ii ile dangar tint thit ill alir ill i g 1 imag lii ingry gry for altro c 11 one on of the best hf st N n lys I 1 loop keep 1 I fild fidd in this conditi it 1 is to ip ply liberal s f barn lid mil dure li Sn ollier nother in i 13 i Is 11 to plow r green eroen crops e clover some times time it I 1 ii iry to bit ani nitrogen nit nl rogn for ill flint in the lie form forin of commer rial but this Is 14 i 1 very tx X wiy of obtaining it men eien the plant Is 19 given all al the nitrogen it can use it falls to to do N mall ell tins till is ii b bei iuie it c annot innot inn f t got get is I 1 much of the minera Licin elements cri t is it needs s too nio li it I 1 it r pit lit in proportion t ti i tile the agioni I 1 ii if mini nano I 1 i I 1 il elements luse i flip plant to go all to allies thi th r re nill mill le ie art an ces sive growth ot of deives le iraq but the licud jold of anlu will he be take in 1111 ili of if corn or a aurili 11 L hay and d burn it hie ashes amt that are left are the miner il parts of the plant these cau call lot be obtained from air or water but must conie come from the soil some of the most important of those these ire iron which Is the substance tint helps to build up chlorophyll ind ul chur which is found in ill the parts of the plant there ark are a number of others also albo ill of which are present preen if in the soil in such large amounts that there NN ill probably al ii ii s 3 be all thit that the flip crops can til tio u of the th se e minor miner ils hon however e er po pa ind phosphorus ale aie not so anion hen ohp plant annot set et enough pota potassium slum the grain vi will ill not I 1 11 L illel ald out well if there here Is to too little pit sj 1 urn in ili the cic of fult tree the development of fruit I 1 is ell chilto I 1 d adding blInN ald re to tell eril LOP to keep up tile the appi of giese tn ill i mat ocial on f ln ms little itoi torl k 1 Is kept rr er r I 1 here tore ani ril i in III been beell nied ni ed ili I 1 I 1 IN fol foi mil t i I 1 ind i ut alito mud to tho the 0 01 j it it I 1 30 ine I 1 I 1 a llo HP esan lu pl I 1 h in 11 s acl 13 and 11 t in the f IP III of elf 1 c I fertilizers in tit alii i I 1 I 1 urn rn 1 p rt if f tills this r III I 1 thin nr lir minx fura filin tint gnp 1 II 11 1 ni nn 0 I 1 i ili run don drmic thit lint ni n 11 i I 1 lit i t I 1 IN it ill ull s llipi it ii atil IT NA ali it it i if 11 lr ir H I 1 feitell e t i clr ili irr irp div n iv I 1 hiie all ii j ie 0 ild 11 il it t ill i nul iii ill i irlue icille t i pir lit hi ie fo I 1 ll 11 I 1 till lil all llie tirui firm aul u d n r I 1 lie ie arol 1 MO 11 s aaril vi rn out ont ill il 11 I 1 ii it I 1 PI n I 1 ii I 1 I 1 I 1 11 h ii i d f r T r u in n 11 I 1 I 1 11 nicil it 11 1 1 in 1 ill hil i I 1 i if 1 f 1 1 i 4 ml all in ill nth ur nr 11 ll f I 1 ni d anti inti r n q I 1 v s I 1 i idich 11 I 1 nil lilt f i 0 t ni mill th ni IN 11 M int ill s I 1 if e i 11 0 n r ulli i ill I 1 i i i rut cut tl tit 1 II 11 i il i eipl i I 1 r lit ii 1 1 p 1 tit i li ii 11 I 1 i it i t II 11 1 i il lq i ff f fi il 41 ti I 1 i I 1 n in 1 i I i I 1 i C cr in 1 n i u it 11 it I 1 11 1 17 i 1 il 11 1 i 1 1 I 1 I 1 L 1 cd I I 1 i 1 i 0 s mil ind th tb hotd I 1 tt wd ird rv pr 11 i pin 1 i 1 inn ii 11 1 in 11 VIC tic ill I 1 I 1 is f s NO si 1 11 in IT 11 1111 i in UIL cicula ind 11 s r ri III u n it on oil t lie ui hi il mi 1 I lei qa lo IP it i ti i i 1 li 14 1 11 it his in 11 1 I md I 1 ly dushl usan 11 luni lilt to benl enl lit CI mil lilt gen tile the sll it inn fill 10 lo kept n sui ili 1 dnn d w 1 I 11 ll 1 lint lant l int 17 fi ll 11 1 it I 1 is mm lain li it tit nine it c pr fit ebli to bettl the tn iri ps its lit in this v N IN thin to in buy 1 I lant ft fi il 41 on the hie millet it e josiv pric c I 1 beall airm doeier ci or the III lilt Is hun rn fr fir tilt it tle mints rut nit beluie alion irl nut not in tin the s nl ill jilt but ulm itin jie a forni lit in holcli it cannot annot gt git nt lit them idill bolts of the tie llant spread nil all through ali clr sil JI in of food it jon aou N ill look at a little root through a till glassi lou inu hlll see beo that it ls 6 coifed i not tot iners it Is through ebest ro rot A arilis that the lie pi III int takes up food front from the soil iacre are it uj openings into them but the vails are so thin that tile the mater flater can SOIL through to the inside solid suh but stances of course cannot get in so bo that the plant food flood must bo be ted lit in WHIT before it can get into the roots antl and si up to the chlorophyll which aich Is to build it into or it ancs ii es if till tile soil his big boca becia worked until it Is title flue 1111 loose each little lart LIC A a ili iv in m wr FiEt st rio or ur FR fil fill L oil 11 jl 11 t bHo NIU hirrill HI 11 r Frill as A A suito undid b in n it ilir r MIMI alli till it idlis diss 1 in I L tin III lilt alli arii I 1 it il it II in thi ollir 11 annd ind the soil I 1 li lit in tin OIL 1 nil 1111 i 1 t f chunks chunk binl c boils 1 0 1 it 11 I 1 n I 1 hill of ill I 1 I 1 lint lilt fo fit I 1 1 C nn ill be ba 11 al t 1 ill ft fi 1 d I that 1 on th tb ot of a i ii cl I I 1 billit I 1 all 11 br it out in ill I 1 ii tit lil or 0 ocr cr on on um of tin thi in alil i is fitins S q iiii or of if ih Iti slum sturn an all 1 Is ib I 1 hit its I 1 mill ill 11 it t dt dl 0 1 1 billu broell bri t lit in ont outlet act i lilt NN hir it bikis i liin niall ith the he nr to 11 cause at al tell us ils still change it into a g si bubli fl film I 1 in con sti stirring tring of the still soli till thi change also to loi ell ens up the ground si that air can call get down donn to the lie roots without ald aid thi the nill stop gro gronieri Niri and the entire burk of the plant will stop the aello ellow W ip of i patch of lorn corn in a low ioan place whore where the ground Ls is anater soil td d is dup due to lack of air about the roots |