Influence of canopy pruning on light availability and grain yield of intercrops in white siris (Albizia procera)-based agrisilviculture system
A field experiment was conducted during 2006–08 at Jhansi to elucidate the influence of canopy pruning in white siris [Albizia procera (Roxb.) Benth.] on light interception and grain yield of intercrop. The experiment was conducted in randomized block design with three replications. Blackgram (Vigna...
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| Published in: | The Indian journal of agricultural sciences Vol. 82; no. 10; pp. 858 - 61 |
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| Main Authors: | , , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
01-10-2012
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| Online Access: | Get full text |
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| Summary: | A field experiment was conducted during 2006–08 at Jhansi to elucidate the influence of canopy pruning in white siris [Albizia procera (Roxb.) Benth.] on light interception and grain yield of intercrop. The experiment was conducted in randomized block design with three replications. Blackgram (Vigna mungo (L.) Hepper) - mustard (Brassica juncia L. Czern. and Coss.) crop sequence was taken as intercrop. The pruning of tree canopy was done with 3 pruning regimes namely 70% canopy pruning, 50% canopy pruning and control (unpruned tree). The results reveal that the growth of A. procera (dbh, height and canopy diameter) was significantly (P= 0.05) higher in control (unpruned trees) compared with 50% canopy pruning and 70% canopy pruning. Grain yield of blackgram was two times higher in 70% canopy pruning than the yield obtained with unpruned trees. Similarly the yield of mustard was three times higher in 70% canopy pruning than unpruned trees during both the years. The grain yield of intercrop under 50% canopy pruning was also significantly higher than unpruned trees. Light interception by intercrops was higher under 70% canopy pruning and lower with unpruned trees. The light interception increased with increasing distances from tree base. The grain yield of intercrops was linearly correlated with light interception. |
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| ISSN: | 0019-5022 2394-3319 |
| DOI: | 10.56093/ijas.v82i10.24176 |