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Tropical Agricultural Research and Extension

"Special Issue on Nuclear Techniques for Better Agricultural Productivity"

Volume 3 (1) - 2000

Review Article

Use of Nuclear Techniques for Improving Livestock Production and Health in Sri Lanka: A Review of Studies Conducted and Strategies for Technology Transfer

B M A O Perera and H Abeygunawardana

PDF 5626 KB

Research Articles

Photosynthesis and Assimilate Partioning Characteristics of the Coconut Palm as Observed by ¹⁴C Labelling

C Jayasekara, K S Jayasekara and G D Bowen

PDF 2037 KB

Development and Release of Gamma Ray Induced Sesame Mutant ANK-S2 in Sri Lanka

R Pathirana, L A Weerasena and Priyanthi Bandara

PDF 2089 KB

Potential of Azolla as a Biofertilizer for Rice Farming in Sri Lanka: Demonstrated by Isotopic Techniques

S A Kulasooriya

PDF 2535 KB

Biological N₂ Fixing Capacity of Gliricidia sepium and Calliandra calothyrsusUnder Different Agroclimatic Conditions

W D L Gunaratne, A P Heenkenda, K V S Premakumara and W M S R Bandara

PDF 2729 KB

Use of ¹⁵N to Study the N Fixation, N Transfer and Yield of Intercropped Groundnut (Arachis hypogaeaL.) as Affected by Genotype and Root Barrier

S Subasinghe, R Senarathne and M A Pemadasa

PDF 2924 KB

N Fixation and N Transfer in Maize/Cowpea and Sorghum/Cowpea Intercropping Systems, as Determined by ¹⁵N Isotope Dilution technique

G A Dayathilake, S Subasinghe and R Senarathne

PDF 1512 KB

Use of Root Bioassay Method to Determine Phosphorous Availability and Uptake for Some Crop Species

D M A P Disanayake, A+D Atkinson and A C Edwards

PDF 2138 KB

Use of Neutron Moisture Meter in Soil-Plant-Water Relation Studies of Rubber (Hevea braziliensis)

Lalani Samarappuli, N Yogaratnam, R Hettiarachchi, P Karunadasa and U Mitrasena

PDF 2443 KB

Soil Water Dynamics in a Grassland of the Mid Country Intermediate Zone of Sri Lanka

H B Nayakakorala

PDF 1686 KB

Effect of Some Soil Moisture Conservation Practices on Soil Moisture Regime During Field Establishment of BlackPepper (Piper nigrum) in Mid Country Sloping Lands of Sri Lanka

H A Sumanasena and R Hartmann

PDF 2378 KB

Use of Milk Progesteron RIA to Determine Factors Affecting the Success Rate of Artificial Insemination Services in Mid Country Small-Holder Farms in Sri Lanka: Preliminary Results

H Abeygunawardana, P A B D Alexander, I S Abeygunawardana and B M A O Perera

PDF 2910 KB

Effect of "Gamma-Irradiation" on Micro-Organisms, Essential Oil Content and Voiatile Oil Componenet of Spices

R S Wilson Wijeratnam, D Sivakumar and A Ratnayake

PDF 1365 KB