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Andi Nur Cahyo
Balai Penelitian Sembawa, Pusat Penelitian Karet
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Journal : Widyariset

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THE EFFECT OF EL-NINO 2015 ON THE RUBBER PLANT (HEVEA BRASILIENSIS) GROWTH IN THE EXPERIMENTAL FIELD SEMBAWA RESEARCH CENTRE Jamin Saputra; Charlos Togi Stevanus; Andi Nur Cahyo
Widyariset Vol 2, No 1 (2016): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (899.137 KB) | DOI: 10.14203/widyariset.2.1.2016.37-46

Abstract

Dry season is a fator affecting plant growth. If climate anomaly El-Nino that causing prolonged dry season happens, the effect on the plant growth will be bigger. On 2015, El-Nino is happening. The presence of climate anomaly like La-Nina and El-Nino can be predicted by SOI (South Oscilation Index) released by Australian Bureau of Meteorology. Continued positive SOI value indicates symptomps of La-Nina climate anomaly and continued negative SOI value indicates symptomps of El-Nino climate anomaly. This research was aimed to determine the effect of El-Nino climate anomaly that causing prolonged dry season on the growth of PB 260 clone in Sembawa Research Centre Experimental Field. This research was conducted by comparing the growth of PB 260 clone during wet season and prolonged dry season. The result shows that under condition of 2015 El-Nino phenomenon, the growth rate of PB260 clone was decreased until 75%. The attemps to minimalize the effect of El-Nino on the growth of rubber clone was by selecting appropriate clone and location where the clone was planted, water conservation, and K fertilization with double dosage.
HUBUNGAN ANTARA NERACA AIR LAHAN TERHADAP PRODUKSI KARET KLON BPM24 Sahuri Sahuri; Andi Nur Cahyo
Widyariset Vol 4, No 2 (2018): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.028 KB) | DOI: 10.14203/widyariset.4.2.2018.163-172

Abstract

Secara umum produksi karet dipengaruhi oleh fluktuasi curah hujan setiap bulan. Penelitian bertujuan mengetahui pengaruh curah hujan, evapotranspirasi, dan ketersediaan air lahan terhadap produksi karet klon BPM 24. Penelitian ini dilaksanakan di Kebun Percobaan Balai Penelitian Sembawa, Sumatera Selatan dari tahun 2013 – 2015. Plot penelitian yang digunakan adalah tanaman menghasilkan klon BPM 24 tahun tanam 2002 berumur 14 tahun dengan tekstur tanah clay loam. Penelitian ini dilakukan dengan cara membandingkan produksi tanaman karet pada saat musim hujan dan musim kemarau dari tahun 2013-2015. Hasil penelitian menunjukkan bahwa kadar air tanah merupakan parameter yang paling berpengaruh terhadap hasil lateks tanaman karet klon BPM 24 dibandingkan dengan parameter curah hujan dan evapotranspirasi. Hasil lateks menurun dengan berkurangnya kandungan air tanah pada periode bulan kering. Kurangnya air pada bulan kering menjadi faktor pembatas untuk hasil karet yang optimal. Ketika kadar air tanah turun hingga di bawah 100 mm, hasil lateks maksimal yang dapat dicapai oleh tanaman karet adalah sebesar 20 g/p/s.
Co-Authors Charlos Togi Stevanus Jamin Saputra Risal Ardika Sahuri Sahuri Thomas Wijaya