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Pasture production and tree growth in a young pine plantation fertilized with inorganic fertilizers and milk sewage in northwestern Spain

Pasture production and tree growth in a young pine plantation fertilized with inorganic... The use of organic waste materials such as milk sewage as an organic fertilizer could have the dual advantages of organic-waste disposal and reduced dependence on inorganic fertilizers. The effects of fertilization with (1) conventional mineral fertilization, (2) milk sewage sludge at 40 kg N ha −1 target rate and (3) no fertilization on pasture production and tree growth were examined in an experiment consisting of two pasture mixtures under a one-year-old Pinus radiata plantation with a density of 2500 trees ha −1 . The two pasture mixtures were: (1) Dactylis glomerata L. var. saborto (25 kg ha −1 ) + Trifolium repens L. group Ladino (4 kg ha −1 ) + Trifolium pratense L. var. Marino (1 kg ha −1 ); (2) Lolium perenne L. var. Tove (25 kg ha −1 ) + Trifolium repens L. group Ladino (4 kg ha −1 ) + Trifolium pratense L. var. Marino (1 kg ha −1 ). The experiment began in the spring of 1995 using a randomized block design with three replicates in Castro Riberas de Lea (Lugo, Galicia, north-western Spain). Plot size was 12 × 8 m 2 , with a 1 m buffer strip between plots. Two-year data showed that fertilization with either material had a positive effect on pasture production, with no significant difference between the two fertilization treatments. Tree growth in the milk sewage sludge plot was significantly higher than in the control plots. Inorganic fertilization increased pasture production, but affected tree growth negatively. The results show that milk sewage sludge could be used as a fertilizer in silvo-pastoral systems. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

Pasture production and tree growth in a young pine plantation fertilized with inorganic fertilizers and milk sewage in northwestern Spain

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References (13)

Publisher
Springer Journals
Copyright
Copyright © 2000 by Kluwer Academic Publishers
Subject
Life Sciences; Agriculture; Forestry
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1023/A:1006233204645
Publisher site
See Article on Publisher Site

Abstract

The use of organic waste materials such as milk sewage as an organic fertilizer could have the dual advantages of organic-waste disposal and reduced dependence on inorganic fertilizers. The effects of fertilization with (1) conventional mineral fertilization, (2) milk sewage sludge at 40 kg N ha −1 target rate and (3) no fertilization on pasture production and tree growth were examined in an experiment consisting of two pasture mixtures under a one-year-old Pinus radiata plantation with a density of 2500 trees ha −1 . The two pasture mixtures were: (1) Dactylis glomerata L. var. saborto (25 kg ha −1 ) + Trifolium repens L. group Ladino (4 kg ha −1 ) + Trifolium pratense L. var. Marino (1 kg ha −1 ); (2) Lolium perenne L. var. Tove (25 kg ha −1 ) + Trifolium repens L. group Ladino (4 kg ha −1 ) + Trifolium pratense L. var. Marino (1 kg ha −1 ). The experiment began in the spring of 1995 using a randomized block design with three replicates in Castro Riberas de Lea (Lugo, Galicia, north-western Spain). Plot size was 12 × 8 m 2 , with a 1 m buffer strip between plots. Two-year data showed that fertilization with either material had a positive effect on pasture production, with no significant difference between the two fertilization treatments. Tree growth in the milk sewage sludge plot was significantly higher than in the control plots. Inorganic fertilization increased pasture production, but affected tree growth negatively. The results show that milk sewage sludge could be used as a fertilizer in silvo-pastoral systems.

Journal

Agroforestry Systems – Springer Journals

Published: May 1, 2000

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