Publication Date
1993
Description
The impact of 2 popular tropical legumes on the nitrogen (N) content of the rhizosphere and an associated grass (Panicum maximum) in a soil with low N status was evaluated. The effect of 2 soil moisture contents on this process, (a) field capacity - 25% depletion and (b) 50% depletion or below, was also studied. At the high soil moisture level, both legumes increased the N content of soil and Panlcum over the control. The N content of the soil and grass treatments containing stylo was marginally higher than in soils containing siratro. This phenomenon was less marked at the lower soil moisture regime and the reduction of N content was less prominent in soils planted with siratro, suggesting the greater capacity of this legume to fix and transfer N under drier conditions. The benefits of selecting suitable legumes to improve the N nutrition of tropical grasses and of soils in different environmental conditions were observed,
Citation
Sangakkara, U R. and Attanayake, K B., "Nitrogen Content of Panicum maximum when Grown with stylo and siratro Under Two Moisture Regimes" (2024). IGC Proceedings (1993-2023). 26.
https://uknowledge.uky.edu/igc/1993/session11/26
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Nitrogen Content of Panicum maximum when Grown with stylo and siratro Under Two Moisture Regimes
The impact of 2 popular tropical legumes on the nitrogen (N) content of the rhizosphere and an associated grass (Panicum maximum) in a soil with low N status was evaluated. The effect of 2 soil moisture contents on this process, (a) field capacity - 25% depletion and (b) 50% depletion or below, was also studied. At the high soil moisture level, both legumes increased the N content of soil and Panlcum over the control. The N content of the soil and grass treatments containing stylo was marginally higher than in soils containing siratro. This phenomenon was less marked at the lower soil moisture regime and the reduction of N content was less prominent in soils planted with siratro, suggesting the greater capacity of this legume to fix and transfer N under drier conditions. The benefits of selecting suitable legumes to improve the N nutrition of tropical grasses and of soils in different environmental conditions were observed,
