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International Journal of Tropical Agricultural Research & Extension
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Volume 13 (2010)
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Issue 01
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Now showing items 1-5 of 5

Decomposition of gliricidia leaves: the effect of particle size of leaves and soil texture on carbon mineralization

Walpola, B.C.; Arunakumara, K.K.I.U. (Faculty of Agriculture-University of Ruhuna, 2010-02-05)

Crop residues, as a reliable source of nutrients in many agro-ecosystems could minimize the dependen cy on commercial fertilizers. The particle size of crop residues is a matter of concern as it determines the accessibility ...
Formulation and quality evaluation of cordial based on kirala (sonneratia caseolaris) fruit

Abeywickrama, W.S.S.; Jayasooriya, M.C.N. (Faculty of Agriculture-University of Ruhuna, 2010-02-06)

Kirala (Sonneratia caseolaris) is one of the tropical fruits that has received less attention from the food industry. A large number of ripen fruits are wasted during the fruiting-season. The modern preserva tion ...
Separation of tetraploid and diploid plants from chimeras in in vitro cultures of purple coneflower (echinacea purpurea l)

Dahanayake, N.; Chen, Xiao-Lu; Zhao, Fu-Cheng; Yang, Yue-Sheng; Wu, Hong (Faculty of Agriculture-University of Ruhuna, 2010-02-09)

Doubling the chromosome number of diploid and haploid Echinacea purpurea plants have high applica ble values for genetic improvements of the crop. Field experiments have shown that the tetraploid plants grow vigorously ...
Changes in soil water content with ambient relative humidity in relation to the organic matter and clay

Leelamanie, D.A.L. (Faculty of Agriculture-University of Ruhuna, 2010-02-11)

Changes in soil water content with increasing ambient relative humidity was examined using model soils prepared by mixing silica sand with different types of organic matter and different types and con tents of clays. In ...
Effect of biological agents and botanicals in controlling root knot nematodes, meloidogyne spp., in nicotiana tabacum

Motha, K.F.; Abeysekara, R.; Kottearachchi, N.S. (Faculty of Agriculture-University of Ruhuna, 2010-02-19)

A study was conducted to investigate the effectiveness of Pseudomonas fluorescens and Trichoderma viride and two botanicals; ground neem seed and tobacco waste dust for the control of Root-Knot Nematodes (RKN) in Tobacco. ...

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