Malaysian Applied Biology Journal

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Malays. Appl. Biol. (2011) 40(2): 37–42



1School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
2Entomology Division, Malaysian Palm Oil Board, 43650 Bandar Baru Bangi, Selangor, Malaysia
*Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it


This study was carried out to evaluate the effectiveness of selected combinations of fungi on the amount of total nitrogen (TN), available phosphorus (AP) and exchangeable potassium (EK) when added as degrading agent to oil palm woodchips in field plot trials. Four different fungal combinations Trichoderma harzianum with brown rot SK8/11 (T1), T. harzianum with white rot SK7/5 (T2), T. reesei with brown rot SK8/11(T3), and T. reesei with white rot SK7/5 (T4)] were used as biodegradation agents added to the oil palm woodchip heaps; while an untreated woodchip heap (T5) was the control. The results from this study showed the addition of fungal combinations has significantly increased (p< 0.05)the concentration of TN and EK in the soil beneath the oil palm woodchip heaps as compared to control.


Kajian ini dijalankan untuk menilai keberkesanan gabungan kulat terpilih ke atas nitrogen jumlah (TN), fosforus tersediada (AP) dan kalium salingtukar (EK) apabila ia ditambah sebagai agen pengurai kepada ricikan batang kelapa sawit di lapangan percubaan. Empat gabungan kulat, iaitu Trichoderma harzianum bersama pereput perang SK8/11 (T1), T. harzianum bersama pereput putih SK7/5 (T2), T. reesei bersama pereput perang SK8/11 (T3), T. reesei bersama pereput putih SK7/5 (T4) sebagai agen biopengurai yang ditambah ke atas longgokan ricikan batang kelapa sawit, manakala T5 ialah longgokan kawalan (tanpa kulat). Hasil kajian ini menunjukkan penambahan kombinasi kulat telah meningkatkan kepekatan TN dan EK dengan signifikan (p<0.05) di dalam tanah di bawah ricikan batang kelapa sawit berbanding dengan kawalan. Kata kunci: fosforus tersediada, biopengurai, kalium salingtukar, kulat pengurai, ricikan batang kelapa sawit, nitrogen jumlah

Key words: Available phosphorus, biodegradation, exchangeable potassium, degrading fungal, shredded oil palm woodchips, total nitrogen


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