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Show r4fr C r r4frErosion Erosion Prevented PreventedBy PreventedBy By Sound Practice PracticeGrowing PracticeGrowing Growing Crops Help HelpIn HelpIn HelpIn In Saving the Soil Soli SoilBy SoilBy By W J DRYDrNThe DRYDENThe DRYDCN DRYDrN DRYDEN DRYDCNThe : The late spring floods fioods and heavy heavyra heavyra ra ns made many farmers rea real realhe realIzc ! he that losses from water erosIOn erosIOncan erosioncan erosioncan can be serious Michigan Micrugan State coln col cola . _ : . . - -a a - - - n a * y - " " ' - - . - I IU'J - ' > + OTlt5SSSiafci r LSN . < l llege _ U'J UJ U'J'v ' i ; : , _ -'v 'v v - ' , " ; " , Tat , " l r R Rt ry ' " . , - . -t t - ' . 1 _ , " , . - " . - , r ' : " ' - ' " ' " " ' > ' " w- w : - ' :1 1 : . ! ; " w:1 : " I ! . . grJfi.r rJfi.r rJfir ! : } . g/ g " ' ; % " , * . ( / " : \ . rK . , " , . # J/ J Ji ; : ; : / ' ' i ; : A Av -v v - _ r . ; ' rKlege lege specialists list four rules to re reduce reduce reduce duce water erosion on farm land 1 Never leave the ground bare barelonger barelonger barelonger longer than necessary Vegetation VegetationIs is important unportant over the winter wmter 2 As the slope of the land in increases increases Increases creases use more crops of grassand grass grassand grassand and small grams and fewer cultlvat cultivat cultlvated cultivated cultivated ed crops 3 If 11 medium sloping slopmg land Is cuI cul cuItlvated cultivated cultivated tlvated tivated practice strip stnp croppmg cropping croppmgcross croppingcross croppingcross cross slope seeding seedmg and t ! llmg ling Ilmg and anduse anduse anduse use sod waterways and terraces 4 Keep the soil in as high a state stateof stateof stateof of fertility as possible Add lune lime lunewhere limewhere limewhere where necessary use commercial commercialfertilizers commercialfertilisers commercialfertilizers fertilizers fertilisers and add humus through throughnatural throughnatural throughnatural natural manures green manures or orcrop orcrop orcrop crop residues I Soil SOlI Building BuildingThe \ The difference between soil bUld build bUldmg building building ! mg ing and soil sOlI mining Is shown hown in the thechart thechart thechart chart below Soil building bUlldmg means meansincreasing meansincreasing meansincreasing increasing the soil s organic orgamc matter matterand matterand matterand and plant food supply and maintain maintaining maintaining maintaining ing high crop yields Ylelds It means feed feeding feeding teeding ing the soil and letting lettmg the soil feed feedthe feedthe feedthe the crops rather than trying trymg to feed feedeach feedeach feedeach each individual mdlvldual cropThe cropThe crop cropThe The comparative results shown shownhere shownhere shownhere here were obtained obtamed at the Ewmg Ewing Ewmgsoil Ewingsoil Ewmgsoil soil experiment experunent field in m Illinois Oneplot One Oneplot I plot has had no soil treatment smce since smcethe sincethe sincethe the field was established m ill in 1910 The Theother Theother Theother other plot has had large amounts of501L of ofSOIL SOIL 501L TDEiTED TREATED W WTHMANURE 7H 7HMANURE MANURE L ME b & | PHOSPHATE DHOSPHATE LDHOSPHATE DHOSPHATENOT ; TREATED 50 50LNOT 50LNOTTREATED NOT NOTTREATED L + t ttitl titl titlc0r 6075 YifWF4 e .f9 f9 . .f9C10vF4 c0r ' ' 62 47 4 26 C10vF4 26OqN OqN Da DaLf4fA /Lf4fA Lf4fA / MNENe 7 2 O 5 i MORE 6 TONS Of Ofi OFORGAN NCNES NCNESDER 5 ORGAN 5ORGAN C MATTER MATTERNCNES MATTERPER of Sal . TONS TONSL05T DER ACREof ACRE ACRElime L05T 0 M Mlime lime lune phosphate and potash to get getheavy getheavy getheavy heavy stands of deep-rooted deep rooted - - - legumes leg legumes legtimes umes Corn stalks have been re returned returned returned turned to this plot The rota rotation lion on onboth onboth onboth both plots has been corn oats clo clo- clover clover clover - - ver and wheatCrop wheatCrop wheat wheatCrop Crop yields covering covermg a four year yearrotation yearrotation yearrotation rotation tell the story Corn Com pro productlon production production ductlon duction on the fertilized plot was wasfour wasfour wasfour four times greater than on the un untreated untreated untreated treated field oats nearly tour four tImes tImesand timesand timesand and wheat about eight times great greater greater greater er Clover yield on the fertilized fertilizedplot fertilizedplot fertilizedplot plot was 1 9 tons per acre the un tin untreated tintreated untreated treated plot Is too acid to grow growlegumes growlegumes growlegumes growlegumesDespite legumes legumesDespite Despite the greater amounts of ofnitrogen ofnitrogen ofnitrogen nitrogen and organic orgame matter used in inproducmg inproducing Inproducing producmg producing the higher blgher yields the fertilized fer fertJllZed fertilized tJllZed tilized plot still contains contams 41k 4 % ' tons tonsmore tonsmore tonsmore more organic matter and 460 pounds poundsmore poundsmore poundsmore more nitrogen mtrogen than the untreated untreatedfield untreatedfield untreatedfield field |