Decomposition and nutrient release in leaves of Atlantic Rainforest tree species used in agroforestry systems

Aiming to support the use of native species from the Atlantic Rainforest in local agroforestry systems, we analysed chemical and biochemical components related to leaf decomposition of Inga subnuda , Senna macranthera , Erythrina verna , Luehea grandiflora , Zeyheria tuberculosa , Aegiphila sellowia...

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Bibliographic Details
Published in:	Agroforestry systems Vol. 87; no. 4; pp. 835 - 847
Main Authors:	Duarte, Edivânia M. G., Cardoso, Irene M., Stijnen, Thomas, Mendonça, Maria Alice F. C., Coelho, Marino S., Cantarutti, Reinaldo B., Kuyper, Thomas W., Villani, Ecila M. A., Mendonça, Eduardo S.
Format:	Journal Article
Language:	English
Published:	Dordrecht Springer Netherlands 01-08-2013 Springer Springer Nature B.V
Subjects:	Aegiphila Agriculture Agroforestry Agronomy. Soil science and plant productions Animal and plant ecology Animal, plant and microbial ecology Bidens pilosa biodiversity Biological and medical sciences biological nitrogen-fixation Biomedical and Life Sciences Brachiaria plantaginea brazil Decomposition Dry matter Erythrina Fabaceae Flowers & plants Forestry Fundamental and applied biological sciences. Psychology green manure Indigenous species Inga Leaves legumes Life Sciences Macranthera minas-gerais n-15 natural-abundance Nitrogen fixation Nutrient release Nutrients Persea americana plant residues Plant species Rainforests soil Soil quality Synecology Trees tropical agroecosystems A, Atlantic Native trees Nutrient cycling Biological nitrogen fixation Family agriculture Leaf decomposition Translocation Rain forest Family farms Decomposition Plant leaf Biogeochemical cycle Inorganic element Biological fixation Nitrogen fixation Tree Nutrient Native species Agroforestry
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Summary:	Aiming to support the use of native species from the Atlantic Rainforest in local agroforestry systems, we analysed chemical and biochemical components related to leaf decomposition of Inga subnuda , Senna macranthera , Erythrina verna , Luehea grandiflora , Zeyheria tuberculosa , Aegiphila sellowiana , and Persea americana . These tree species are native (except for P. americana ) and commonly used in agroforestry systems in the Atlantic Rainforest. For the three first species (Fabaceae), we also analysed the remaining dry matter and released nutrients from leaves, using litter bags, and biological nitrogen fixation, using Bidens pilosa and Brachiaria plantaginea as references of non-N 2 -fixing plants. Leaves from I. subnuda , L. grandiflora , and P. americana had a lower decomposition rate than the other species, exhibiting negative correlations with lignin/N and (lignin+polyphenol)/N ratios. The percentages of remaining dry matter after 1 year were 69 % ( I. subnuda ), 26 % ( S. macranthera ) and 16 % ( E. verna ). Higher nutrient release was found in decreasing order from residues of E. verna , S. macranthera , and I. subnuda . The percentages of nitrogen fixation were 22.6 % ( E. verna ), 20.6 % ( I. subnuda ) and 16.6 % ( S. macranthera ). Diversification of tree species in agroforestry systems allows for input of diversified organic material and can contribute to maintaining and improving soil functions resulting in improvements of soil quality.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0167-4366 1572-9680
DOI:	10.1007/s10457-013-9600-6