Zobrazeno 1 - 10
of 20
pro vyhledávání: '"R. B. Mapa"'
Autor:
U.W.A. Vitharana, R. B. Mapa
Publikováno v:
Agricultural Research for Sustainable Food Systems in Sri Lanka ISBN: 9789811521515
Soil information is indispensable for sustainable use of the soil resource. Since its initiation in 1887, soil survey, classification and mapping activities in Sri Lanka have progressed through three successive stages. The latest soil maps of Sri Lan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4824626808b209363d6102ecbef852ba
https://doi.org/10.1007/978-981-15-2152-2_4
https://doi.org/10.1007/978-981-15-2152-2_4
Autor:
Ebrahim Jahanshiri, Eranga M. Wimalasiri, A.S. Karunaratne, Lal P. Vidhanarachchi, Tengku Adhwa Syaherah Tengku Mohd Suhairi, Hasika Udayangani, Sayed Azam-Ali, R. B. Mapa, Nur Marahaini Mohd Nizar
Publikováno v:
Data in Brief
Data in Brief, Vol 33, Iss, Pp 106342-(2020)
Data in Brief, Vol 33, Iss, Pp 106342-(2020)
Soil data for Sri Lanka are available through semi-detailed series maps that were developed based on limited soil profile data combined with expert knowledge. This data plays a vital role in decisions at national and regional levels. However, the pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1ae982092f1498aa333d757181cd624
https://doi.org/10.1016/j.dib.2020.106342
https://doi.org/10.1016/j.dib.2020.106342
Autor:
Tengku Adhwa Syaherah Tengku Mohd Suhairi, Ebrahim Jahanshiri, A.S. Karunaratne, Eranga M. Wimalasiri, Lal P. Vidhanarachchi, Sayed Azam-Ali, Hasika Udayangani, R. B. Mapa
Publikováno v:
Sustainability, Vol 12, Iss 7781, p 7781 (2020)
Sustainability
Volume 12
Issue 18
Sustainability
Volume 12
Issue 18
Data from global soil databases are increasingly used for crop modelling, but the impact of such data on simulated crop yield has not been not extensively studied. Accurate yield estimation is particularly useful for yield mapping and crop diversific
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5adcb7ddf3b4d346c86f0164914ff123
https://doi.org/10.3390/su12187781
https://doi.org/10.3390/su12187781
Autor:
D. A. L. Leelamanie, R. B. Mapa
Publikováno v:
Biologia. 70:1444-1449
Aggregate stability is considered to be an appropriate indicator of the relative resistance of soils to detachment by the forces of wind or water. Structural weakness and high rates of erosion in red yellow podzolic (RYP) soils of Matara district are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c72712c04190bb8a3da754d7da7cdce0
https://doi.org/10.1515/biolog-2015-0168
https://doi.org/10.1515/biolog-2015-0168
Autor:
R. B. Mapa, Kook-Sik Shin, Byung-Keun Hyun, Jung-Won Choi, Seog-Jae Jung, Hyun-Jun Cho, Yeon-Kyu Sonn, Byung-Chun Jang
Publikováno v:
Korean Journal of Soil Science and Fertilizer. 48:153-162
Land information is important for the international agricultural companies. This study investigated the agriculture and soil information in Sri Lanka. This study is the results from investigation of soil properties and agricultural properties determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c779257e76c6d261967781cb06b56b1
https://doi.org/10.7745/kjssf.2015.48.3.153
https://doi.org/10.7745/kjssf.2015.48.3.153
Autor:
Tiffany H. Morrison, Deepthi D Wickramsinghe, Missaka Hettiarachchi, Ajith de Alwis, Clive McAlpine, R. B. Mapa
Publikováno v:
Landscape and Urban Planning. 132:55-68
Recent studies in both the environmental sciences and geography highlight unforeseen ecological transformations occurring in eco-social landscapes. These transformations often result in ‘novel’ or ‘hybrid’ ecosystems that differ from the orig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a62778d2635b81445fc2c99f7c19e90d
https://doi.org/10.1016/j.landurbplan.2014.08.006
https://doi.org/10.1016/j.landurbplan.2014.08.006
Publikováno v:
Tropical Agricultural Research, Vol 22, Iss 1, Pp 34-44 (2011)
The information on the spatial and temporal variability of soil properties is vital to improve soil management and to increase the crop productivity. This study was conducted to explore the spatial variability of agronomically important soil properti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::133b5571ff7fd7b3bef667b9fe38c567
https://tar.sljol.info/articles/2668
https://tar.sljol.info/articles/2668
Autor:
Darshani Kumaragamage, R. B. Mapa
Publikováno v:
Soil Technology. 9:187-197
Many lands in the tropics are abandoned after few seasons of shifting cultivation due to loss of soil fertility. There is a great need for characterizing these soils for reforestation or revegetation using conservation farming systems. This study inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19fccb2d6ce07d0cecedacb1667a6d67
https://doi.org/10.1016/s0933-3630(96)00015-3
https://doi.org/10.1016/s0933-3630(96)00015-3
Autor:
R. B. Mapa
Publikováno v:
Biological Agriculture & Horticulture. 13:149-160
In Sri Lanka soil erosion is listed as the main environmental problem related to land. Mulching is an effective agronomic method of soil and water conservation if suitable material can be found. The objective of this study was to evaluate three types
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0470b593262e90fdd4c3195d8c1c5a68
https://doi.org/10.1080/01448765.1996.9754774
https://doi.org/10.1080/01448765.1996.9754774
Autor:
R. B. Mapa, H. P. M. Gunasena
Publikováno v:
Agroforestry Systems. 32:237-245
The beneficial effect of organic matter on soil aggregate stability is well documented. Alley cropping has been suggested as a possible alternative to maintain soil organic matter content in cropping systems without fallowing the land. The objective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54ea49aaa9b7f129dc173400d028092d
https://doi.org/10.1007/bf00711712
https://doi.org/10.1007/bf00711712