| dc.description.abstract | CANDRA KIRANA: Rainfall analysis at the oil palm are Kebun PTP.
Nusantara II Tanjung Garbus with water balance model, supervised by
SUMONO and NAZIF ICHWAN.
Oil palm plantation is rumoured as the main causes of deforestation,
various damages of biodiversity and too much water consumption, therefore a
research is needed with water balance model to arrange and analyze rainfall
parameters as a water source at Kebun PTP. Nusantara II Tanjung Garbus,
which carried out from April to July 2013. Water balance model consist of
rainfall, throughfall, stemflow, interception, actual evapotranspiration and
surface runoff.
The result showed that the soil at the site was entisols with effective depth
of 78 cm, sandy loam soil texture, bulk density of 1,363 g/cm3
, particle density of
2,639 g/cm3
, porosity of 48% and soil organic matter of 2,67%. The recent actual
evapotranspiration during research was 99,039 mm/month whereas rainfall at the
period was an average of 57,1 mm/month and becaming throughfall and
stemflow of 45,397 mm/month, the interception was 11,72 mm/month and the
surface run off was 0 mm/month. Height of ground water during 4 months
research was 159,8 mm and in field capacity was 321,36 mm, so that 161,56 mm
water deficit occurred. Based on 10 years annual rainfall of BMKG at the same
months, the average of rainfall was 115/month. | en_US |
