Biology, asked by amrata8350, 11 months ago

Biological effects of plant residues with contrasting chemical compositions under humid tropical conditions

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Answered by Cheemaking
1

Decomposition and nutrient release patterns of prunings of three woody agroforestry plant species (Acioa barteri, Gliricidia sepium and Leucaena leucocephala), maize (Zea mays) stover and rice (Oryza sativa) straw, were investigated under field conditions in the humid tropics, using litterbags of three mesh sizes (0.5, 2 and 7 mm) which allowed differential access of soil fauna. The decomposition rate constants ranged from 0.01 to 0.26 week−1, decreasing in the following order; Gliricidia prunings >Leucaena prunings > rice straw > maize stover >Acioa prunings. Negative correlations were observed between decomposition rate constants and C:N ratio (P < 0.004), percent lignin (P < 0.014) and polyphenol content (P < 0.053) of plant residues.

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Answered by Anonymous
2

Answer:

Tian G, Kang BT & Brussaard L (1992) Biological effects of plant residues with contrasting chemical compositions under humid tropical conditions - decomposition and nutrient release.

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