Immobilization of nutrients in plantation forest of Pinus merkusii and Agathis dammara growing on volcanic soils in central Java Indonesia

Bruijnzeel L. A ., . (1984) Immobilization of nutrients in plantation forest of Pinus merkusii and Agathis dammara growing on volcanic soils in central Java Indonesia. In: International Conference on Soils and Nutrition of Perennial Crops, 13-15 Aug 1984, Kuala Lumpur (Malaysia).

Growth of P. merkusii is better than for Agathis especially during the first 15 years. The effect is species determined rather than caused by differences in site class. Nutrient uptake by the typically over-stocked pine plantation was significantly less than for the normally stocked Agathis stand. It is concluded from a comparison of gains and losses of nutrients for these ecosystems that whole-tree harvesting of Agathis should not be practised in central Java whilst this would be feasible from a nutrient point of view for the pine forest site. The limiting nutrient for sustained production of Agathis is P and possibly N in the case of P. merkusii. Care needs to be taken to control nutrient losses via erosion during taungya

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Abstract

Growth of P. merkusii is better than for Agathis especially during the first 15 years. The effect is species determined rather than caused by differences in site class. Nutrient uptake by the typically over-stocked pine plantation was significantly less than for the normally stocked Agathis stand. It is concluded from a comparison of gains and losses of nutrients for these ecosystems that whole-tree harvesting of Agathis should not be practised in central Java whilst this would be feasible from a nutrient point of view for the pine forest site. The limiting nutrient for sustained production of Agathis is P and possibly N in the case of P. merkusii. Care needs to be taken to control nutrient losses via erosion during taungya

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Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor. S597 P4I61 1984 Call Number
AGROVOC Term:	Pinus merkusii
AGROVOC Term:	Agathis dammara
AGROVOC Term:	Plant physiology
AGROVOC Term:	Soil genesis
AGROVOC Term:	Soil classification
AGROVOC Term:	Volcanic soils
Geographical Term:	MALAYSIA
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:52
URI:	http://webagris.upm.edu.my/id/eprint/7448

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