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Phosphorus requirements for containerized Pterocarpus indicus seedlings
Journal article   Peer reviewed

Phosphorus requirements for containerized Pterocarpus indicus seedlings

E.H. Lok and B. Dell
Journal of Forestry Research, Vol.26(3), pp.657-662
2015
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Abstract

Pterocarpus indicus Willd is a tropical woody legume that holds promise for plantation forestry. Two glasshouse experiments were undertaken on two soil types to determine the phosphorus (P) concentration ranges in the foliage of P-stressed and healthy plants, and to define critical P concentrations for the diagnosis of deficiency and toxicity. There was a narrow range in rates of P fertilizer, supplied as Ca(H2PO4)2·H20, between deficiency and toxicity compared to other tree species. The relationship between shoot yield and P concentration in the youngest fully expanded leaf enabled critical P concentrations for the diagnosis of deficiency (0.17 %) and toxicity (0.41 %) to be determined at 90 % maximum yield from linear regressions fitted to the data. The foliar P concentration ranges for deficiency and toxicity were similar to other nitrogen-fixing trees. The defined P concentration ranges and the critical P concentrations for the diagnosis of P deficiency and P toxicity should be useful for monitoring the P status of nursery stock and the health of young seedlings after out-planting.

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UN Sustainable Development Goals (SDGs)

This output has contributed to the advancement of the following goals:

#13 Climate Action
#15 Life on Land

Source: InCites

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InCites Highlights

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.40 Forestry
3.40.55 Forest Dynamics
Web Of Science research areas
Forestry
ESI research areas
Plant & Animal Science
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