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W. A. P. Weerakkody

Publications (4)

Assessment of Productivity and Income Generation from Rural Agricultural Systems in the Mid-country Wet Zone of Sri Lanka - A Case Study

P. G. A. S. Warnasooriya, W. A. P. Weerakkody, N.A.S.P. Nissanka & J. K. Vidanarachchi · Asian Journal of Advances in Agricultural Research · 2020

Majority of the rural population in the wet mid elevations in Sri Lanka are predominantly engaged in Kandyan Homegardening (KHG) and smallholder tea cultivations (TS). Reports indicate that recent developments in this region are very low due to marketing, extension and production...

Open access Research Article 10.9734/ajaar/2020/v12i130069

Image Sensing, A Unique Tool for Early Detection of Nitrogen Deficiency of Tomato Grown in Hot and Humid Greenhouses

R. M. D. M. Bandara, D. D. K. Koswatta, W. A. P. Weerakkody & P. C. G. Bandaranayake · Asian Journal of Advances in Agricultural Research · 2024

Protected culture (PC) answers the major issues in conventional agriculture, and thus helps feed the rising world population. Meanwhile, soilless culture has become an integral part of the PC, for sake of catering to the plant nutrient requirements precisely. Therefore, innovativ...

Open access Research Article 10.9734/ajaar/2024/v24i2490

Influence of Substrate and Supplementary LED lighting on Vertical Farming of Basil (Ocimum basilicum L.) and Pak Choi (Brassica rapa var. chinensis)

N. K. G. K. R. Manawasinghe, S. H. Weerasekara, C. S. L. M. Karunaratne, W. A. P. Weerakkody & B. Kulapala · Asian Journal of Agricultural and Horticultural Research · 2021

Application of “plant factory” concept in protected culture is gaining momentum due to its technological and economic merits in many countries. This research examined the plant growth and yield of vertically grown pak choi (Brassica rapa var. chinensis) (in nutrient film techniqu...

Open access Research Article 10.9734/ajahr/2020/v7i430103

Comparative Assessment of Vegetable Crop Performances and Ecological Indicators during Transition from Conventional to Ecological Agriculture

L. H. P. Gunaratne, K. S. Hemachandra, Y. M. K. Kumudumali, N. K. G. K. R. Manawasinghe, H. G. A. S. Sathischandra, J. M. Soorasena, T. H. M. U. M. Thelasinghe, W. S. P. Y. Upali, W. A. P. Weerakkody, K. W. L. K. Weerasinghe & S. B. A. Weerawarna · Asian Research Journal of Agriculture · 2021

Selected field vegetable crop combinations and increasing dosage of bio-char application, together with other alternative agronomic components of ecological agriculture (EA) were compared with conventional agriculture (CA) during the first three seasons of transition from CA to E...

Open access Research Article 10.9734/arja/2021/v14i130113