05077nas a2200445 a 4500 20260818112744.0 170531s2012 th uu m rtt 0| a1eng d .b1218441x AIT Thesis no.AWM-13-01 Cahyo, Andi Nur Evaluation of land and water productivity of rubber plantation using the WaNuLCAS model in South Sumatra, Indonesia Pathum Thani, Thailand : Asian Institute of Technology, 2013 69 leaves : ill. Thesis ; no. AWM-13-01 AIT - UNESCO - IHE A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Water Engineering and Management at the Asian Institute of Technology with specialization in Agricultural Water Management for Enhanced Land and Water Productivity and degree of Master of Science at the UNESCO -IHE Thesis (M.Sc.) - Asian Institute of Technology - Institute for Water Education Netherlands, 2013 This research was aimed to evaluate land, water , and economic productivity of some scenarios of rubber intercropping system in Banyuasin in order to improve its productivity and to provide recommendation for the optimization of rubber intercropping system productivity in Banyuasin. Simulation study was done using t he WaNuLCAS model to determine the maximum land, water, and economic productivity under three main scenario factors. The first factor was rubber plant spacing arrangement system, whi ch consisted of three case s, i.e. base case (single row, 3 x 7 m), single row (3 x 6m), and double row (2 x 6 x 14m) plant spacing arrangement system. The second factor was water management treatment, which consisted of four cases , i.e. without irrigation and drainage, irrigation in dry periods , drainage in wet periods, and irrigation and drainage in both dry and wet periods . The third factor was cropping system scenari o, which consisted of four cases , i.e. without intercrops, intercropped with upland rice -upland rice -upland rice, with upland rice -upland rice -maize, and with cowpea -maize cropping system. Calibration and validation show that the values of Pearson Correlation Coefficient (R) of rubber tree girth and yields of upland rice, maize, and cowpea wer e more than 0.95. R for latex yield calibration is 0.97, whereas for validation is 0.83. Goodness of Match ( GOM ) values for all parameters are between 0.95 and 1.09. Root Mean Square Error ( RMSE ) for the various parameters w as less than 5% compared to the observed values . Double row plant spacing arrangement system could improve rubber tree girth and biomass , but could not improve latex yield per hectare, SGVP, as well as land and water productivity. Drainage scenario could improve rubber tree girth , bioma ss, latex yield per hectare, SGVP, as well as land and water productivity. Intercropping system scenario could not improve rubber tree girth, biomass, latex yield per hectare, SGVP, as well as land, water and economic productivity. The best land and water productivity could be achieved by all scenarios with drainage system (more than 0.75 US$/m 2 /year and 0.5 US$/m 3 /year for land and water productivity respectively) . These values were 70% higher than base case scenario. Therefore, it is recommended to prep are drainage system under rubber plantation in Banyuasin. Rubber plants Indonesia South Sumatra Irrigation Indonesia South Sumatra Water in agriculture Indonesia South Sumatra Babel, Mukand Singh, Chairperson Shrestha, Sangam, Examination Committee Datta, Avishek, Examination Committee Prasad, Krishna C., Examination Committee Clemente, Roberto S., Examination Committee Indonesian Rubber Research Institute/ Sembawa Research Center, Indonesia, Scholarship donor Asian Institute of Technology. Thesis ; no. AWM-13-01 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B01864 .b1218441x mnait z 240412 0 170531 m a z 0 000:001:PDF:b1218441:003180:0:0:0:0:0:0 Click to view Abstract n mnait mnait 20 Barcode : 30050120342810 CREATED : 2017-05-31 RECORD # : i13079682 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120341432 CREATED : 2017-05-31 RECORD # : i13079694 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 1 TOT CHKOUT : 0 TOT RENEW : 0 41054 41054 0 0 0 0 MAIN MAIN mnait 2026-08-18 50.00 0 AIT Thesis no.AWM-13-01 30050120342810 2026-08-18 11:27:44 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 50.00 0 AIT Thesis no.AWM-13-01 30050120341432 2026-08-18 11:27:44 2 2026-08-18 20