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Decreasing rice and cowpea yields in alley cropping on a highly weathered Oxisol in West Sumatra, Indonesia

Decreasing rice and cowpea yields in alley cropping on a highly weathered Oxisol in West Sumatra,... A hedgerow intercropping study was conducted for 7 years in West Sumatra, Indonesia on an acid and highly A1-saturated (72%) soil to determine growth and yield responses of tree hedgerows and upland rice and cowpea intercrops. Three tree species,Paraserianthes falcataria, Calliandra calothyrsus, andGliricidia sepium, and a no tree control were planted at three lime rates of zero, 375 kg ha−1, and liming to 25% Al+H saturation. Annual fertilizer inputs of 20 kg P and 50 kg K ha−1 were kept low to approximate low input farming systems. The trees were pruned 4 to 6 times per year and prunings applied to the intercrops.Paraserianthes andCalliandra grew vigorously, whileGiricidia grew poorly and was replaced after four years withFlemingia macrophylla. Hedgerow growth and yields were reported in a previous paper [Evensen et al., 1994]. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

Decreasing rice and cowpea yields in alley cropping on a highly weathered Oxisol in West Sumatra, Indonesia

Agroforestry Systems , Volume 31 (1) – Nov 12, 2004

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References (34)

Publisher
Springer Journals
Copyright
Copyright
Subject
Life Sciences; Forestry; Agriculture
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1007/BF00712052
Publisher site
See Article on Publisher Site

Abstract

A hedgerow intercropping study was conducted for 7 years in West Sumatra, Indonesia on an acid and highly A1-saturated (72%) soil to determine growth and yield responses of tree hedgerows and upland rice and cowpea intercrops. Three tree species,Paraserianthes falcataria, Calliandra calothyrsus, andGliricidia sepium, and a no tree control were planted at three lime rates of zero, 375 kg ha−1, and liming to 25% Al+H saturation. Annual fertilizer inputs of 20 kg P and 50 kg K ha−1 were kept low to approximate low input farming systems. The trees were pruned 4 to 6 times per year and prunings applied to the intercrops.Paraserianthes andCalliandra grew vigorously, whileGiricidia grew poorly and was replaced after four years withFlemingia macrophylla. Hedgerow growth and yields were reported in a previous paper [Evensen et al., 1994].

Journal

Agroforestry SystemsSpringer Journals

Published: Nov 12, 2004

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