Show MAINTAIN FERTILITY OF SOIL cover crops are used to la e humus and improve ph PY condition of the lan land prepared by the united sim states merit ment of agriculture I 1 ajr t thrifty ty trees product produce the best and in order that the A aar trees tree s nn dinue to thrive it Is necea may C fertility of tile the soil necessary be sary ill I 1 in a I 1 this esdone is done by the use uil ot or cover cove ai which are used to supply ailt tile the of humus in tile the soil and by ga the s ot fertilizers elther either form of ba barnyard enyard manure manur e oj in tb cial fertilizer liser cover crops COMM S tin the physical condition of 0 the land vent washing and hardening af nr n soil hold tile the ruing rains and the anol snows they have time to soak into the until inn cause the eoll to dry la the eale split making further possible lu sime some sometimes es serve as a protection and f troa frost when a leguminous crop S used plant food is 4 in the form of wire miro gen Is added to the soil eoll good tillage and the maintenance K lil 3 an ample supply of huntalis or decay lne vegetable matter in the soil win do tuch much to keep it in a pro pla f condition for peach growing H but continuous tillage of the soil tend to deplete its content of hums unless it Is renewed from time to time i where stable or barnyard manum is abundant there Is probably no morma satisfactory way of supplying TIng humus to the soil than ilberg by a liberal use ol of it if i manure Is seldom obtainable however in III sufficient clent quantity ta t meet any in arl i reaching needs needa in its absence the tha use of cover or green manure crops is fa to be advised the plants commonly used for cover crop purposes fall into two groups group leguminous or nitrogen gathering and non leguminous the former grou comprises comaris ea red clover crimson clover bur clover field peas vetch covi peas and others the group consists of rye oats buckwheat millet rope rape turnips and various others sometimes the growth of weeds or other more or less spontaneous growth Is encouraged after the seasonal cul ti Tation Is ended as a means of attaining a cheap supply of vege vegetable table matter for the son red clover Is more commonly used in apple orchards than in peach orchards and especially when it Is intended to omit tillage for a season vetch is apparently being more and more as an orchard cover crop lit in the northern fruit districts crimson clover Is especially satisfactory la in some 0 of f the light soils in new jersey find and delaware in seasons bhea thero hero 7 ji S I 1 L eight year old peach tree pruned A with view of developing strong stocky branches and an open top Is a i good supply of moisture in the lie soil at the time of seeding Col colpean peas jr fire are very widely used for tills this purpose r in middle and southern latitudes 1 probably rye is tile lie most videly used 5 pl plant allt it con can to be sowed bowed late in the season and it lives ll 11 over winter whiter and starts into 9 groa ear early ly the next spring all of ean considerations ia 10 points are important con many instances but oats in with vetch have been especially satisfactory in so some me casus ases C and sw german millet has been chorni dow to io be M almost an ideal tion co cover crop under some of tile lie C condition that prevail in nebraska when a kc scover over crop Is mcd in peach orchard liard it should be I 1 tile the its as pral t under as early in ti cable unless the growth if alint bat is on into t the he sou sol worked the ground can bo be conveniently by 0 P effectively and more h the of a dik or or however if there here Is nil fill abu abundance nd 0 moisture in the soil the turning 1 1 I delved delayed der cler of tile the cover crop Is do until after it has bas inna many cases v in considerable growth groNt ll in the spring pring of order to obtain as large a 11 quantity qua nally into lu worked vegetable n matter latter to be the soil ns as Is possible |