Show ROTATIONS FOR SOIL FERTILITY ARE NECESSARY i Land Laud Injured by Taking All 11 AllAway AllAway 1 Away way From It a and Giving Nothing Back n ny fly i J H H. H HITCHCOCK I Soli liy of or if idaho Ja I-Ja- NI DI j Feed the time lan land Dont Don't lake take everything I from the soil anti and give i e nothing buck back You cant can't continue continuo to write checks on your bank banle deposit it indefinitely ly without l making additional l deposits Neither can you ou continue to grow gro bumper crops on your our land without returning In tn some forum form the plant food elements which you ou are arc taking out Ono Uno of oC the first essentials In maintaining main maln- I taming and building up tip s soil oll t fertility II Is i the adoption of or a crop rotation The I most Important factor actor Is IR to In- In elude Chide in this crop rotation a l leguminous ous ous crop Que Questions such an aA an Why hy can cant can't t i I obtain the yields from my crops that I obtained ten years ears ago ago What hat fertilizer do i need to uso use to Increase Ill my mimy yields Ields aro are being asked at tho the present pres pres- ent nt time lime in iii regard lo to Idaho soils This Tills is lar largely el the tho result of cropping the soil Roll to th death with one olto or two to crops and andIn andin In many cases easel tailing to recognize the of oC a n. le leguminous crop The Time object In iii using a crop rotation iI is to uso use crops which do not draw dra upon the tue same plant food elements clements each year carIn car In this W way vay the thc various elements are arc made mado available av as plant food tood and arc are ready In him their turn to Handle their special cial elal I l crop This Is more especially true when a a. leguminous crop Is used In tho the rotation It Is through the time crop rotation rotation rota rota- tion system that green manure crops aro a re U used ed to turn back to tho the soil as o organic matter and this Is the thc biggest f feature turc in maintaining tho the soil i it t v Or Organic Matter First what hat do we wc mean b by tho ho term i organic org matter According to Cyril CrU G G. G Hopkins professor of oC a agronomy Inthe In Inthe t the he University of Illinois and on of or ortho the tho ho best soil soli authorities In the United States Slates Or Organic anic matter consists of compounds formed b by life processes compounds that arc ale or have been liv liv- I ing ng matter Keeping your soils 50 well 11 supplied with organic matter is iser er very ery important owIng owing ow ow- ing to the fact that practically all nil o of tho LImo nitrogen In tho time soil Is held b by this material In addition to this a 1 soil containing plenty of or or organic matter holds more water docs does not run to together to- to gether Jether and bake and makes tho the unavailable all una able ablo plant food elements clements more avail avail- able ahie Any n means of oC permanently In Increasing jim jim- creasing the tile J producing ro power pO o of your soils without tho time use of oC organic matter will be bo financially unsuccessful In Inmany man many sections of oC Idaho there fa Cs not sufficient barnyard barnard manure manUro to turn back bacic to tho the soil oll and therefore you must use a green manure crop pre pre- crabl i a leguminous crop Most 1 everyone Is 18 acquainted with ith the fact that tho the term legume means menns a crop on the lie root hairs on which ore are lou found rid plump swellings s resembling galls which are arc called nodules nodule These nodules s contain bacteria which take tako nitrogen from the air If the seed Is well Inoculated the bacteria will wilt take tako from the tho air and mako make available a for time the plant plans from Crom flU fifty pounds to pounds of ot nitrogen per acre acro In this thIm wa way the time nitrogen en contained in the soil Is kept in reserve resor to a lar largo large e degree deree for following crops After fter the le legume has be been n grown roWn on a certain piece of ground from two to fire years dependIng depend depend- ing log on type pc of legume tho the last crop of or th th- th cason eason Is la turned back bacle to t the e soil Experiments have havo proven pro tat tiit two-thirds two of or the nitrogen content ina ina in ina a le leguminous plant is contained in the lops tops and anil third one in the roots With this condition existing when a crop Is turned under tho organic matter mattor plus the nitrogen with some somo phosphorus and potassium adds an enormous amount of oC fertility t tcp to time the soil foll If Ie you are arc planning on pro producing better belter seed better fruit larger lager yields s sor of or hay and amid better belter livestock give some a attention to the fertility of or your our soil the time loun foundation aton of oC nil all agriculture |