Mechanical properties of coppiced and non-coppiced Pterocarpus erinaceus boles and their industrial application

Rosewood(Pterocarpus erinaceus Poir.)is valued for flooring,ornaments,musical instruments and furniture-making due to its durability,strength,beauty and acoustic properties.It coppices easily which could boost its continual supply.Compression parallel to grain,Modulus of Elasticity(MOE)and Modulus of Rupture(MOR)within coppiced and non-coppiced boles were determined.These properties decreased along both types of boles.Strength values for the heartwood were also greater than those for the sapwood of each type of bole.MOE,MOR and compression for non-coppiced stems were greater than those from the coppiced stems.The differences were significant(p<0.05).Mechanical properties from the coppiced and non-coppiced boles are comparable.Both have strength properties comparable with those of species widely used for railway sleepers,structural supports,flooring,veneer,furniture,cabinetry,truss and mine props.Therefore,coppiced wood could supplement non-coppiced wood for industrial applications which require strength.     

Partial substitution of chemical fertilizers with organic amendments increased rice yield by changing phosphorus fractions and improving phosphatase activities in fluvo-aquic soil

Journal of Soils and Sediments - The aim of this study was to investigate the effect of combined use of chemical fertilizers with wheat straw and swine manure on rice yield and&nbsp;phosphorus...