RSPO CERTIFICATION ASSESSMENT PUBLIC SUMMARY REPORT

subulata) and air mata pengantin (Antigonom leptosus) to harbour predators of the crop pests. PTTN
provide maps shows the planting area of beneficial plants, for example in Paya Baung Estate as seen
in Figure 2a.
The barn owl or Burung hantu (Tyto alba) is protected and encouraged as a natural predator of rats,
as PTTN have not used rodenticide anymore since 2009. There is a maps shows the location of barn
owl boxes as seen in Figure 2b. Census of Tyto Alba is conducted monthly using PVC stick and
lenses as ‘”periscope”, for example, during July 2011 there were 28 barn owl boxes occupied by
couples of birds and their chicks in Paya Baung Estate”. The existence of the birds observed by
detecting the feathers, faeces, sound and bones of preys. ..
Pesticide toxicity units (a.i. / LD 50 / FFB tonnage) are monitored to herbicides such as :Glyphosate,
Methyl metsulfuron, Paraquat, Triclopyr TEA salt, Fluroxypir; insecticides such as:Deltramethrin;
Fungicides such as :Benomyl. The records were well maintained.
Compliance Status : Full.
Figure 5a. Maps of beneficial plants in Paya Baung
Estate
Figure 5b. Maps of Tyto alba boxes in Paya Baung
Estate
Figure 5c. Cencus of Tyto alba using PVC stick and lenses as”periscope”
Public Summary Report PT.Tapian Nadenggan –Langga Payung Mill Page 24