Search Results - "BURESH, R. J"

Modelling the role of algae in rice crop nutrition and soil organic carbon maintenance by Gaydon, D.S., Probert, M.E., Buresh, R.J., Meinke, H., Timsina, J.

“…► The APSIM model was modified to simulate the influence of algae in rice-based cropping systems. ► The impact on ammonia volatilization was described, as was…”
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Tithonia diversifolia as a green manure for soil fertility improvement in western Kenya : A review by JAMA, B, PALM, C. A, BURESH, R. J, NIANG, A, GACHENGO, C, NZIGUHEBA, G, AMADALO, B

“…Tithonia diversifolia, a shrub in the family Asteraceae, is widely distributed along farm boundaries in the humid and subhumid tropics of Africa. Green biomass…”
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Leaf color chart for managing nitrogen fertilizer in lowland rice in Bangladesh by Alam, M.M, Ladha, J.K, Khan, S.R, Foyjunnessa, Harun-ur-Rashid, Khan, A.H, Buresh, R.J

“…Nitrogen (N) fertilizer, while essential for high yield and profit in rice (Oryza sativa L.) farming, is often managed inefficiently by Asian rice farmers. We…”
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Phosphatase activity and organic acids in the rhizosphere of potential agroforestry species and maize by George, T.S, Gregory, P.J, Wood, M, Read, D, Buresh, R.J

“…Previous work has hypothesised that Tithonia diversifolia produces both organic acids and phosphatase. Simultaneous exudation of these compounds could increase…”
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Competition in tree row agroforestry systems. 3. Soil water distribution and dynamics by Livesley, S.J, Gregory, P.J, Buresh, R.J

“…The purpose of this study was to test the hypothesis that soil water content would vary spatially with distance from a tree row and that the effect would…”
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Soil improvement by trees in sub-Saharan Africa by Buresh, R J, Tian, G

“…Trees can influence both the supply and availability of nutrients in the soil. Trees increase the supply of nutrients within the rooting zone of crops through…”
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Rice in cropping systems—Modelling transitions between flooded and non-flooded soil environments by Gaydon, D.S., Probert, M.E., Buresh, R.J., Meinke, H., Suriadi, A., Dobermann, A., Bouman, B., Timsina, J.

“…► The APSIM model was modified to simulate soil environments which transition between flooded and non-flooded phases. ► The modified model was tested against a…”
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Competition in tree row agroforestry systems. 1. Distribution and dynamics of fine root length and biomass by Livesley, S.J., Gregory, P.J., Buresh, R.J.

“…Complementarity in the distribution of tree and crop root systems is important to minimise competition for resources whilst maximising resource use in…”
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Changes in phosphorus concentrations and pH in the rhizosphere of some agroforestry and crop species by George, T.S., Gregory, P.J., Robinson, J.S., Buresh, R.J.

“…The aim of this work was to assess whether agroforestry species have the ability to acquire P from pools unavailable to maize. Tithonia diversifolia (Hemsley)…”
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Effects of long-term use of sodic water irrigation, amendments and crop residues on soil properties and crop yields in rice–wheat cropping system in a calcareous soil by Choudhary, O.P., Ghuman, B.S., Bijay-Singh, Thuy, N., Buresh, R.J.

“…► In calcareous soils, decline in crop yields due to sodic water irrigation in the initial years was less pronounced compared to later years. ► Salinity stress…”
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Nitrogen mineralization in density fractions of soil organic matter from maize and legume cropping systems by Barrios, E., Buresh, R.J., Sprent, J.I.

“…Biologically-mediated nutrient availability in the soil is largely dependent on soil organic matter (SOM) decomposition and mineralization processes. The light…”
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Soil nitrate and water dynamics in sesbania fallows, weed fallows, and maize by Hartemink, A.E. (University of Technology, Papua New Guinea.), Buresh, R.J, Jama, B, Janssen, B.H

“…We hypothesized that the integration of trees into agricultural land-use systems can reduce NO3 leaching and increase subsoil N utilization. A field study was…”
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Vertical distribution of roots and soil nitrate: tree species and phosphorus effects by Jama, B. (Agroforestry Research Project, Kisumu, Japan.), Buresh, R.J, Ndufa, J.K, Shepherd, K.D

“…We hypothesized that trees can rapidly root into subsoil and capture NO3, which can accumulate in the subsoil of agricultural soils with high anion sorption…”
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Ecosystem fertility and fallow function in the humid and subhumid tropics by Szott, L.T. (Costa Rica Univ., Miami, FL (USA).), Palm, C.A, Buresh, R.J

“…The regeneration of natural vegetation (fallowing) is a traditional practice for restoring fertility of agricultural land in many parts in the tropics. As a…”
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Organic matter in soil particle size and density fractions from maize and legume cropping systems by Barrios, E., Buresh, R.J., Sprent, J.I.

“…Soil organic matter (SOM) plays an essential role in biologically-mediated nutrient availability. There is, however, a lack of functionally-defined measures of…”
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Relating preseason soil nitrogen to maize yield in tree legume-maize rotations by Barrios, E. (CIAT, Cali, Colombia.), Kwesiga, F, Buresh, R.J, Sprent, J.I, Coe, R

“…Legumes can be an important source of N for cereals in tropical, subsistence farming systems that use little or no fertilizers. Our objective was to identify…”
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Short fallows of Tithonia diversifolia and Crotalaria grahamiana for soil fertility improvement in western Kenya by SMESTAD, B. Thor, TIESSEN, H, BURESH, R. J

“…Managed short-duration fallows may have the potential to replace longer fallows in regions where population density no longer permits slow natural fallow…”
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Utilisation of soil organic P by agroforestry and crop species in the field, western Kenya by George, T.S., Gregory, P.J., Robinson, J.S., Buresh, R.J., Jama, B.

“…A field experiment in western Kenya assessed whether the agroforestry species Tithonia diversifolia (Hemsley) A. Gray, Tephrosia vogelii Hook f., Crotalaria…”
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Light fraction soil organic matter and available nitrogen following trees and maize by Barrios, E. (ICRAF, Nairobi, Kenya.), Kwesiga, F, Buresh, R.J, Sprent, J.I

“…Trees grown for 2 to 3 yr in rotation with crops (tree fallows) are a potential technology for increasing soil fertility in maize-based cropping systems in…”
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Opportunities for yield increases and environmental benefits through site-specific nutrient management in rice systems of Zhejiang province, China by Wang, Guanghuo, Zhang, Q.C., Witt, C., Buresh, R.J.

“…Environmental pollution by nitrogen (N) leaching or runoff from rice fields and high pesticide use has become a serious concern in China. Average N application…”
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