Show Deep Iva Ion Harmful ar 1 m u to 0 Corn Carll Top Three Inches of Soil Contain Lal Largest gest Amount of Plant Food Prepared by the United States De D Department art or p meat nt Agriculture I The ka hick lick kit of the time corn Planter has ceased its must musical cal tattoo for the season and has been backed Into nto the Ule shed aimed If It there were no weed weeo r reeds ep s Just under the time surface of t the he heb soil soU 1 lying Ing In wait for b favorable fn germinating germinating germinating ger ger- conditions the time farmers farmer's work worle In n the cornfield would be done for the summer If Ie there were no weeds there would be no need to tune up the old cultivator or cut a fOll forked ed stick sUck The crop ClOp would not again need his atten- atten attention attention tion lon until picking corn time In the time fall He could tum turn n his imis attention to other work vork about the time farm or he could cut himself a pole and go w whichever which ever cyer was according to his Individual bent and and his cornfield would still yield as many bushels of ot corn as it would have had bad he given It the traditional lonal three times over with corn plow Cultivation Controls Weeds At least some such conclusion might be e arrived at from a study erf the time results results re re- of various tests b by corn to determine the time real reason renson for cultivating corn Cultivation they agree gree is chiefly for the time purpose of or controlling the Ule weeds In Jn fact weed eradIcation ma may be to the only beneficial result from cultivation after planting Nevertheless there Is that big little word ord If to reckon on with We do have weed s seeds eds and aud we will have weeds Soon oon time the broad clean spaces between the he rows of young oung corn will wUl be covered erell with a mass of green weeds of er e every d 1 tl TI h 1 l t t n wi 1 I h be UI p on me cu 3 n U unlimbered numbered In feverish haste to attack the he weeds and hold them in check cheel while king corn gets the time jump on them But that Is when where the similarity of the he operation ceases One farmer will willet set et his shovels to plow as as- as deeply as possible He will hurry across the field so that he can start his plow on onie the ie cross rows the rows the main idea apparently being simply to get over the field three times before the time corn Is knee high bight and ready to la lay b by He lie beeves believes believes be be- eves that the formation o of a dust mulch to retain moisture Is also a athing timing thing to accomplish h. h Must Mut Keep Weeds Down As long as there are weeds some sort Bort ort of method will have to be used to keep them down Rotating crops preventing pre weeds going to seed and sowIng owing seed that Is free Cree from weed seed eed are some of the time other principles that hat will help to I keep down weeds An understanding of the time fact that Is principally for the time purpose of f killing the weeds and not to stir sUr the soil soU oil or provide n a dust mulch however wUl will modify methods of cultivation I Thirty six years ears ago the Illinois experiment experiment experiment ex ex- station made some tests In which It was shown that if It weeds were kept down b by scraping with a hoe without any an attempt at forming a dirt mulch the yield was the same as with and amI only ordinary deep cultivation shallo stint stint- slIghtly lightly less than with ordinary low lo cultivation ow Twenty years ars ago the United States Department of Agriculture made simar sim- sim liar ar tests at nt a nu number of stations stations stations' over the he country countr and obtained similar results re- re Now ow the time Illinois station has secured some ome more figures which further fu ther substantiate sub- sub the former fOlmer tests As an nn average av- av rage of 24 4 years ears of experiments at that hat station it was wag found that a field ot of f corn In which the weeds were removed removed re re- re- re moved mo b by scraping them off with a n hoe gave a yield almost exactly the same as a field field cultivated with n B surface cultivator De p cultivation gave a yield of one to two bushels less on I Ithe cultivation the he average than either shallow 0 or scraping with a hoe Many deep deel decreased the yield further Deep Cultivation Harmful clearly These experiments Indicate cultivation Is harmful that the time deep deel should he be as shallow as p possible tle although deep stirring Is sI lc c InjurIous at the time first cultivation than later l-iter The feeder roots of tile the corn curn plant plant leave the stalk about t two to o inclines Inches n s of time tile son soil no smatter mailer mai surface bel belo belo v 01 s' s the time the time grain has limas been heen ter ler bow how deep planted Plowing close to the time stalk than these roots Injures deeper and results in de de- and mangy mani of df the these e roots lOOtS d creaL-d I yields 1 el l United Unite States the s 's It appears says ca Agriculture that the Depar Department ent of I three Inches of soil o l contains more amore I top food than that thil further available a plant down and that It Is of more mort value a as asa for corn roots than ground of ofas a n feeding ceding as a mulch mutilates this mass massof massof that of nt root roots in the top soil oll not only remo removes removes re re- re- re conne connection of the corn orn cornS moves moS S the S mo nt with tills this rich source BourN of If plum plant plant natural water water- Its food but tut destroys t system gathering Fathering number of expo expert rd From he time the great made been e studies s that thai mr time the It would J em that belt Is to kill In the corn orn problem and as weeds na as conom as asto possible without p l so sn deep ns Its In tiny any t tto way woy Io do tin harm barn to time the plant to making g the surface call oll and without ani feeding time the rot roots for to 10 Some of our present pr s ent pure purposes uses c I mire I e-I cultivation meats menta for far mulch and stir prim arils to produce a man many however how how- There ore are the designed ned with wit h have e been heen ever that thu t weed control suchs such I tn reference s special liar liar- the as the cultivator time the surface f sari row row- determine which or of egad n will there ran can be UH used d tf to the best Inge t n gE |