Show Prepared by the United States Department Department Department Depart Depart- ment of ot Agriculture Serious Injury to the winter wh wheat t crop of 1920 1020 by the Hessian fly seC se seems extremely probable Reports by the United States department of of agriculture entomological experts In Inthe Inthe inthe the Mississippi basin winter wheat region re region region re- re re- re gion Indicate a rapid Increase of the Hessian fly In that Important wheat- wheat growing district These reports show that considerable young wheat already aready has been killed by the Hessian fly and that serious losses to the crop of 1020 1920 ire tre almost certain Unless winter wheat growers east of the Rocky y mountains can be Induced to unite In a concerted movement to observe the approved methods of combating combating com com- bating the Hessian fly during the summer summer sum sum- mer and fall of 1920 1020 It seems that a n disastrous general outbreak of the pest very probably will occur In 1921 1321 A shortage of ot farm labor and unfavorable unfavorable weather conditions at planting time have combined to Influence many wheat growers In planting their grain too early In the season This has resulted resulted resulted re re- In a heavy Infestation of hessian Hessian Hes Hes- sian sinn fl fly In practically all of this early planted wheat Damage Feared In East A dangerously heavy Infestation of Hessian fly also exists In the Piedmont plain wheat r regions lons lying Ing east of the Appalachian mountains and embracing Mar Maryland land Virginia and eastern Penn Penn- sylvania Complaints of serious Hessian lies Des sinn sian fly damage In that region have already begun to be heard and there Is at present ever every Indication that sown early-sown wheat In these states willbe will willbe be considerably If It not seriously reduced reduced reduced re re- re- re In yield this year There Is no remedy for the Hessian fly when once It takes po possession of a u crop of wheat Grain that Is so heavily heavily ily lIy Infested as ns to afford little promise of a profitable yield should be deeply plowed down and lightly harrowed as early In the spring as Is practicable This should be done by March Murch 1 1 If possible so as fiS to bury the tile stubble and prevent pre a large part of the flies files from Issuing and find other fields of ot growing gro wheat or barley The land landma ma may then be planted to oats corn or other Immune quick growing crops so as to avoid a complete loss of profit from the land during the current year How to Fight the Fly The methods for combating the Hessian Hes lies sian fly are In brief as follows 1 Practice crop rotation Do not nol sow wheat on stubble If It Is possible to ovoid avoid doing so 2 Plow under all Infested stubble where possible soon after harvest 3 Destroy all volunteer wheat by harrowing disking plowing or some som other method 4 Plow all nil land und to be sown sown to wheat ns as early and deeply as fiS existing condle condl permit and prepare a thoroughly thorough pulverized and compacted seedbed 5 Conserve moisture against a period pe pc nod of drought at seeding time I Q Use good seed 7 Fertilize 8 Sow wheat during the free fly period pe pee rood as advised by your farm n advisor or dr or state experiment station Adhere to these practices every year ear whether the fly Is abundant or scarce They will help to keep it scarce Community operation co is essential If It success s is to be attained because one Infested field fied mn may furnish enough files flies to damage the wheat for several miles around |