KIRAN, P. et.al.VENKAT REDDY, K.2018-07-172018-07-172017CAES 25http://krishikosh.egranth.ac.in/handle/1/5810060508ManyagriculturalmaterialsarebeingintensivelyusedinagriculturalOperationsandfor the construction ofagricultural structures. These include shade nets, mulching materials, polyhousecoveringmaterials,drippipes,lateralsetc.Allthesematerialswillhaveastandard strengthandlimitofelongationorcompressionbeyondwhichtheyfailtoexistintheoriginal form .‘the study ofthesestrengths and elongation characteristics is veryimportant in the selectionofaparticularmaterialforaspecifieduseandhencethemeasurementofstrengthof thesematerials.Manyfactorslikeenvironmental,animal,culturalactseffectsonthestability ofthesematerials. The present study was conducted to obtain the strengths ofdifferent agricultural materialsusingUniversalTestingMachine. Theresultswereobtainedbyconductingtensileand compressiontestsondifferent agricultural materials with load at distance and distance at load conditions, to obtainthe maximumpermissiblebreakingstrengthandcompressionstrengthofthematerials.Underload atdistance condition tensiletest, Polyhousecoveringmaterial of20micronthicknesshas extended up to 187.8 mm and the maximum permissible load ofelongation on it was 0.10kN—mandof40micronisupto229.73mmat0.15kN—m.Shadenet25%hasextendedup to45.86mmandthemaximumpermissibleloadofelongationonitwas0.22kN-m.Shadenet 35%—23.75mm,O.28kN—m.Shadenet50%-36.12mm,0.28kN-m.Shadenet75%— 19.55 mm, 0.29kN-m. Shadenet90% -75.32mm, 0.31kN-m. Multipurposemulchingmaterial 15.60mm,0.26kN-mLoadsrespectively.Duringcompressiontest,driplateralofdiameter16 mmandthicknessof1.18mmhascompressedupto12.83mmandthemaximumpermissible loadofcompressiononitwas0.39kN—m.Driplateralofdiameter16mmandthicknessof1.14 mm14.19mm,0.37kN-m.Driplateralofdiameter16mmandthicknessof1.67m—10.75 mm,0.38kN—m.Driplateralofdiameter6mm—5.19mm,0.39kN-m. Fordistanceatloadconditiontensiletest,multipurposemulchinghasextendedupto 6.23mmandthemaximumpermissibleloadofelongationonitwas0.26kN—m.Polyhouse coveringmaterialof20micronthickness-185.22mm,0.12kN—m.Polyhousecoveringmaterial of40micronthickness-211.75mm,0.14kN—m.Shadenet25%-23.16mm,0.23l<N—m.Shade net35%—24.51 mm,0.26kN-mShadenet50%—12.79mm,0.29kN—mShadenet75%—26.73 mm,0.28kN—m.Shadenet90%-30.98mm,0.34kN—mcorrespondingloads.andcompression testofdriplateralofdiameter16mmandthicknessof1.18mmhascompressedupto14.01 mmandthemaximumpermissibleloadofcompressiononitwas0.38kN—manddriplateralof diameter16mmandthicknessof1.14m13.67mm,0.37kN—m,driplateralofdiameter16 mmandthicknessof1.67mm—10.65mm,0.39kN-m,driplateralofdiameter6mm—4.86mm, 0.38kN—m.ennullTechnical Report