Evaluating the impact of weather forecasts on productivity and environmental footprint of irrigated maize production systems

Article

Collins, Brian, Lai, Yunru, Grewer, Uwe G, Attard, Steve, Sexton, Justin and Pembleton, Keith G.. 2024. "Evaluating the impact of weather forecasts on productivity and environmental footprint of irrigated maize production systems." Science of the Total Environment. 954. https://doi.org/10.1016/j.scitotenv.2024.176368
Article Title

Evaluating the impact of weather forecasts on productivity and environmental footprint of irrigated maize production systems

ERA Journal ID3551
Article CategoryArticle
AuthorsCollins, Brian, Lai, Yunru, Grewer, Uwe G, Attard, Steve, Sexton, Justin and Pembleton, Keith G.
Journal TitleScience of the Total Environment
Journal Citation954
Article Number176368
Number of Pages18
Year2024
PublisherElsevier
Place of PublicationNetherlands
ISSN0048-9697
1879-1026
Digital Object Identifier (DOI)https://doi.org/10.1016/j.scitotenv.2024.176368
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0048969724065240
Abstract

Integrating weather forecasts into decision support systems empowers farmers to optimise irrigation schedules, thereby boosting crop yields and conserving water. However, inaccurate forecasts can jeopardise productivity and irrigation efficiency. This study combines a crop model with a stochastic pseudo-weather forecast algorithm to: (1) determine the reliability needed in a weather forecast algorithm for effective irrigation management; and (2) assess the impact of weather forecast reliability on the productivity and environmental footprint of various maize cropping systems across diverse climates. It employs the Next Generation of Agricultural Production Systems sIMulator (APSIM NextGen) to simulate maize growth at eleven locations representing diverse climates globally. Various planting schedules, soil types, irrigation systems, and nitrogen availability levels were considered to examine the effects of perfect and imperfect weather forecasts. The findings underscore the potential of integrating weather forecasts into irrigation management for enhanced productivity and sustainability. High-confidence forecasts and longer lead times increase yields (up to 11 %) and improve sustainability outcomes, particularly in wetter climates and for conditions with low nitrogen availability. Conversely, when the accuracy of forecasts is low, forecast-driven irrigation management may lead to yield reductions compared to a baseline system, especially in drier climates (up to 26 % reduction), necessitating tailored management strategies. Soil type and farmer's risk tolerance further influence the effectiveness of forecast-driven irrigation management, emphasising the need for context-specific approaches. By understanding and leveraging the interconnected impacts of weather forecasts on yield, water use efficiency, nitrogen loss, and greenhouse gas emissions, farmers can optimise productivity while minimising environmental impacts.

KeywordsAPSIM; Crop modelling; Environmental footprint; Irrigation management; Water use efficiency
Article Publishing Charge (APC) FundingSchool/Centre
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 20203004. Crop and pasture production
4199. Other environmental sciences
3002. Agriculture, land and farm management
Byline AffiliationsCentre for Sustainable Agricultural Systems
AgriTech Solutions, Australia
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia
School of Agriculture and Environmental Science
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Langworthy, Adam D., Rawnsley, Richard P., Freeman, Mark J., Corkrey, Ross, Pembleton, Keith G., Harrison, Matthew T., Lane, Peter A. and Henry, David A.. 2019. "Effect of stubble height and irrigation management on the growth, botanical composition and persistence of perennial ryegrass, tall fescue and chicory swards in cool-temperate Tasmania." Crop and Pasture Science. 70 (2), pp. 169-182. https://doi.org/10.1071/CP18311
The provision and utility of earth science to decision-makers: synthesis and key findings
Quigley, Mark C., Bennetts, Luke G., Kuhnert, Petra M., Durance, Patricia, Lindsay, Mark D., Pembleton, Keith G., Roberts, Melanie E. and White, Christopher J.. 2019. "The provision and utility of earth science to decision-makers: synthesis and key findings." Environment Systems and Decisions. 39 (3), pp. 349-367. https://doi.org/10.1007/s10669-019-09737-z
A soil temperature decision support tool for agronomic research and management under climate variability: adapting to earlier and more variable planting conditions
Kath, Jarrod and Pembleton, Keith. 2019. "A soil temperature decision support tool for agronomic research and management under climate variability: adapting to earlier and more variable planting conditions." Computers and Electronics in Agriculture. 162, pp. 783-792. https://doi.org/10.1016/j.compag.2019.05.030
Value of seasonal forecasting for sugarcane farm irrigation planning
An-Vo, Duc-Anh, Mushtaq, Shahbaz, Reardon-Smith, Kathryn, Kouadio, Louis, Attard, Steve, Cobon, David and Stone, Roger. 2019. "Value of seasonal forecasting for sugarcane farm irrigation planning." European Journal of Agronomy. 104, pp. 37-48. https://doi.org/10.1016/j.eja.2019.01.005
Advancing a farmer decision support tool for agronomic decisions on rainfed and irrigated wheat cropping in Tasmania
Phelan, David C., Harrison, Matthew T., McLean, Greg, Cox, Howard, Pembleton, Keith G., Dean, Geoff J., Parsons, David, do Amaral Richter, Maria E., Pengilley, Georgie, Hinton, Sue J. and Mohammed, Caroline L.. 2018. "Advancing a farmer decision support tool for agronomic decisions on rainfed and irrigated wheat cropping in Tasmania." Agricultural Systems. 167, pp. 113-124. https://doi.org/10.1016/j.agsy.2018.09.003
Investigating climate change over 1957–2016 in an arid environment with three drought indexes
Ababaei, Behnam and Ramezani-Etedali, Hadi. 2019. "Investigating climate change over 1957–2016 in an arid environment with three drought indexes." Theoretical and Applied Climatology. 137 (3), pp. 2977-2992. https://doi.org/10.1007/s00704-019-02793-0
Optimization of the cropping pattern of main cereals and improving water productivity: application of the water footprint concept
Ramezani-Etedali, Hadi, Ahmadaali, Khaled, Paveh, Faraz and Ababaei, Behnam. 2019. "Optimization of the cropping pattern of main cereals and improving water productivity: application of the water footprint concept." Irrigation and Drainage. 68, pp. 765-777. https://doi.org/10.1002/ird.2362
Using crop growth model stress covariates and AMMI decomposition to better predict genotype by environment interactions
Rincent, R., Malosetti, M., Collins, B., Ababaei, B., Touzy, G., Mini, A., Bogard, M., Martre, P., Le Gouis, J. and van Eeuwijk, F.. 2019. "Using crop growth model stress covariates and AMMI decomposition to better predict genotype by environment interactions." Theoretical and Applied Genetics: international journal of plant breeding research. 132 (12), pp. 3399-3411. https://doi.org/10.1007/s00122-019-03432-y
Cost-benefit analysis of automated furrow irrigation in the Burdekin
Gillies, Malcolm, Attard, Steven, Foley, Joseph and Davis, Marian. 2019. "Cost-benefit analysis of automated furrow irrigation in the Burdekin." Allsopp, P. (ed.) 41st Annual Conference of the Australian Society of Sugar Cane Technologists (ASSCT 2019). Toowoomba, Australia 30 Apr - 03 May 2019 Australia.
Potential of summer-active temperate (C3) perennial forages to mitigate the detrimental effects of supraoptimal temperatures on summer home-grown feed production in south-eastern Australian dairying regions
Langworthy, Adam D., Rawnsley, Richard P., Freeman, Mark J., Pembleton, Keith G., Corkrey, Ross, Harrison, Matthew T., Lane, Peter A. and Henry, David A.. 2018. "Potential of summer-active temperate (C3) perennial forages to mitigate the detrimental effects of supraoptimal temperatures on summer home-grown feed production in south-eastern Australian dairying regions." Crop and Pasture Science. 69 (8), pp. 808-820. https://doi.org/10.1071/CP17291
Modernisation of furrow irrigation in the sugar industry: final report 2014/079
Gillies, M., Attard, S. and Foley, J.. 2017. Modernisation of furrow irrigation in the sugar industry: final report 2014/079. Brisbane, Australia. Sugar Research Australia.
Modelling forage yield and water productivity of continuous crop sequences in the Argentinian Pampas
Ojeda, J. J., Pembleton, K. G., Caviglia, O. P., Islam, M. R., Agnusdei, M. G. and Garcia, S. C.. 2018. "Modelling forage yield and water productivity of continuous crop sequences in the Argentinian Pampas." European Journal of Agronomy. 92, pp. 84-96. https://doi.org/10.1016/j.eja.2017.10.004
Quantifying the interactions between defoliation interval, defoliation intensity and nitrogen fertiliser application on the nutritive value of rainfed and irrigated perennial ryegrass
Pembleton, K. G., Rawnsley, R. P., Turner, L. R., Corkrey, R. and Donaghy, D. J.. 2017. "Quantifying the interactions between defoliation interval, defoliation intensity and nitrogen fertiliser application on the nutritive value of rainfed and irrigated perennial ryegrass." Crop and Pasture Science. 68 (12), pp. 1100-1111. https://doi.org/10.1071/CP16385
Diverging importance of drought stress for maize and winter wheat in Europe
Webber, Heidi, Ewert, Frank, Olesen, Jørgen E., Müller, Christoph, Fronzek, Stefan, Ruane, Alex C., Bourgault, Maryse, Martre, Pierre, Ababaei, Behnam, Bindi, Marco, Ferrise, Roberto, Finger, Robert, Fodor, Nándor Fodor, Gabaldón-Leal, Clara, Gaiser, Thomas, Jabloun, Mohamed, Kersebaum, Kurt-Christian, Lizaso, Jon I., Lorite, Ignacio J., ..., Wallach, Daniel. 2018. "Diverging importance of drought stress for maize and winter wheat in Europe." Nature Communications. 9. https://doi.org/10.1038/s41467-018-06525-2
Modelling of lucerne (Medicago sativa L.) for livestock production in diverse environments
Smith, Andrew P., Moore, Andrew D., Boschma, Suzanne P., Hayes, Richard C., Nie, Zhongnan and Pembleton, Keith G.. 2017. "Modelling of lucerne (Medicago sativa L.) for livestock production in diverse environments." Crop and Pasture Science. 68 (1), pp. 74-91. https://doi.org/10.1071/CP16176
bomrang: fetch Australian Government Bureau of Meteorology data in R [Journal of Open Source Software, vol. 2, no. 17, 411]
Sparks, Adam H., Padgham, Mark, Parsonage, Hugh and Pembleton, Keith. 2017. bomrang: fetch Australian Government Bureau of Meteorology data in R [Journal of Open Source Software, vol. 2, no. 17, 411]. Baltimore, Maryland, United States. NumFOCUS. https://doi.org/10.21105/joss.00411
Managing the safe application of sugar by-products to soil: modelling and recommendations
Bennett, J. McL., Wieck, T., Dafny, E, Schroeder, B. and Attard, S.. 2015. Managing the safe application of sugar by-products to soil: modelling and recommendations. Toowoomba, Australia. University of Southern Queensland.
More milk from forage: Milk production, blood metabolites, and forage intake of dairy cows grazing pasture mixtures and spatially adjacent monocultures
Pembleton, Keith G., Hills, James L., Freeman, Mark J., McLaren, David K., French, Marion and Rawnsley, Richard P.. 2016. "More milk from forage: Milk production, blood metabolites, and forage intake of dairy cows grazing pasture mixtures and spatially adjacent monocultures." Journal of Dairy Science. 99 (5), pp. 3512-3528. https://doi.org/10.3168/jds.2015-10542
Yield and water-use efficiency of contrasting lucerne genotypes grown in a cool temperate environment
Pembleton, K. G., Rawnsley, R. P. and Donaghy, D. J.. 2011. "Yield and water-use efficiency of contrasting lucerne genotypes grown in a cool temperate environment." Crop and Pasture Science. 62 (7), pp. 610-623. https://doi.org/10.1071/CP11094
The morphological and physiological responses of perennial ryegrass (Lolium perenne L.), cocksfoot (Dactylis glomerata L.) and tall fescue (Festuca arundinacea Schreb.; syn. Schedonorus phoenix Scop.) to variable water availability
Turner, L. R., Holloway-Phillips, M. M., Rawnsley, R. P., Donaghy, D. J. and Pembleton, K. G.. 2012. "The morphological and physiological responses of perennial ryegrass (Lolium perenne L.), cocksfoot (Dactylis glomerata L.) and tall fescue (Festuca arundinacea Schreb.; syn. Schedonorus phoenix Scop.) to variable water availability." Grass and Forage Science. 67 (4), pp. 507-518. https://doi.org/10.1111/j.1365-2494.2012.00866.x
Environmental influences on optimum nitrogen fertiliser rates for temperate dairy pastures
Pembleton, Keith G., Rawnsley, Richard P. and Burkitt, Lucy L.. 2013. "Environmental influences on optimum nitrogen fertiliser rates for temperate dairy pastures." European Journal of Agronomy. 45, pp. 132-141. https://doi.org/10.1016/j.eja.2012.09.006
Evaluating the accuracy of the Agricultural Production Systems Simulator (APSIM) simulating growth, development, and herbage nutritive characteristics of forage crops grown in the south-eastern dairy regions of Australia
Pembleton, K. G., Rawnsley, R. P., Jacobs, J. L., Mickan, F. J., O'Brien, G. N., Cullen, B. R. and Ramilan, T.. 2013. "Evaluating the accuracy of the Agricultural Production Systems Simulator (APSIM) simulating growth, development, and herbage nutritive characteristics of forage crops grown in the south-eastern dairy regions of Australia." Crop and Pasture Science. 64 (2), pp. 147-164. https://doi.org/10.1071/CP12372
Complementary forages – integration at a whole-farm level
Rawnsley, R. P., Chapman, D. F., Jacobs, J. L., Garcia, S. C., Callow, M. N., Edwards, G. R. and Pembleton, K. P.. 2013. "Complementary forages – integration at a whole-farm level." Animal Production Science. 53 (9), pp. 976-987. https://doi.org/10.1071/AN12282
Quantifying the interactions between grazing interval, grazing intensity, and nitrogen on the yield and growth rate of dryland and irrigated perennial ryegrass
Rawnsley, R. P., Langworthy, A. D., Pembleton, K. G., Turner, L. R., Corkrey, R. and Donaghy, D. J.. 2014. "Quantifying the interactions between grazing interval, grazing intensity, and nitrogen on the yield and growth rate of dryland and irrigated perennial ryegrass." Crop and Pasture Science. 65 (8), pp. 735-746. https://doi.org/10.1071/CP13453
Opportunities and challenges in Australian grasslands: pathways to achieve future sustainability and productivity imperatives
Bell, Lindsay W., Hayes, Richard C., Pembleton, Keith G. and Waters, Cathy M.. 2014. "Opportunities and challenges in Australian grasslands: pathways to achieve future sustainability and productivity imperatives." Crop and Pasture Science. 65 (6), pp. 489-507. https://doi.org/10.1071/CP13420
Giving drought the cold shoulder: a relationship between drought tolerance and fall dormancy in an agriculturally important crop
Pembleton, Keith G. and Sathish, Puthigae. 2014. "Giving drought the cold shoulder: a relationship between drought tolerance and fall dormancy in an agriculturally important crop." AOB Plants. 6 (April), pp. 1-17. https://doi.org/10.1093/aobpla/plu012
Simple versus diverse pastures: opportunities and challenges in dairy systems
Pembleton, Keith G., Tozer, Katherine N., Edwards, Grant R., Jacobs, Joe L. and Turner, Lydia R.. 2015. "Simple versus diverse pastures: opportunities and challenges in dairy systems." Animal Production Science. 55 (7), pp. 893-901. https://doi.org/10.1071/AN14816
Longer defoliation interval ensures expression of the ‘high sugar’ trait in perennial ryegrass cultivars in cool temperate Tasmania, Australia
Turner, L. R., Donaghy, D. J., Pembleton, K. G. and Rawnsley, R. P.. 2015. "Longer defoliation interval ensures expression of the ‘high sugar’ trait in perennial ryegrass cultivars in cool temperate Tasmania, Australia." Journal of Agricultural Science. 153 (6), pp. 995-1005. https://doi.org/10.1017/S0021859614000628
Modelling the resilience of forage crop production to future climate change in the dairy regions of southeastern Australia using APSIM
Pembleton, K. G., Cullen, B. R., Rawnsley, R. P., Harrison, M. T. and Ramilan, T.. 2016. "Modelling the resilience of forage crop production to future climate change in the dairy regions of southeastern Australia using APSIM." The Journal of Agricultural Science. 154 (7), pp. 1131-1152. https://doi.org/10.1017/S0021859615001185
Evaluation of the agricultural production systems simulator simulating lucerne and annual ryegrass dry matter yield in the Argentine pampas and south-eastern Australia
Ojeda, J. J., Pembleton, K. G., Islam, M. R., Agnusdei, M. G. and Garcia, S. C.. 2016. "Evaluation of the agricultural production systems simulator simulating lucerne and annual ryegrass dry matter yield in the Argentine pampas and south-eastern Australia." Agricultural Systems. 143, pp. 61-75. https://doi.org/10.1016/j.agsy.2015.12.005
Production interactions between combinations of 4 perennial legumes and 5 perennial grasses, grown under high input management with and without applications of nitrogen
Smith, Rowan, Hall, Eric, Corkrey, Ross, Parsons, David, Pembleton, Keith and Rawnsley, Richard. 2015. "Production interactions between combinations of 4 perennial legumes and 5 perennial grasses, grown under high input management with and without applications of nitrogen." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Summer production of alternative species in comparison to perennial ryegrass and white clover for high input pasture systems
Smith, Rowan, Hall, Eric, Corkrey, Ross, Parsons, David, Pembleton, Keith and Rawnsley, Richard. 2015. "Summer production of alternative species in comparison to perennial ryegrass and white clover for high input pasture systems." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Stoloniferous red clover cv. Rubitas is a valuable companion to PRG and phalaris
Watson, Brigid, Pembleton, Keith, Smith, Rowan, Corkrey, Ross and Rawnsley, Richard. 2015. "Stoloniferous red clover cv. Rubitas is a valuable companion to PRG and phalaris." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Chicory (Cichorium intybus L.) can beat the heat during summer drought in southeast Australian dairying regions
Langworthy, Adam, Pembleton, Keith, Rawnsley, Richard, Harrison, Matthew, Lane, Peter, Henry, David and Corkrey, Ross. 2015. "Chicory (Cichorium intybus L.) can beat the heat during summer drought in southeast Australian dairying regions." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Response of the DCAD of plantain to potassium fertilisation
Pembleton, K. G, Hill, B. D. and Rawnsley, R. P.. 2015. "Response of the DCAD of plantain to potassium fertilisation." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
APSIM Kale appropriately simulates spring and autumn grown forage kale crops in Tasmania
Pembleton, K.G, Harrison, M.T., Rawnsley, R.P., Zykowski, R., Chakwizira, E., de Ruiter, J. and Johnstone, P.R.. 2015. "APSIM Kale appropriately simulates spring and autumn grown forage kale crops in Tasmania." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australlia.
Plantain and chicory could potentially complement the perennial ryegrass dominant dairy feedbase
Pembleton, K. G.. 2015. "Plantain and chicory could potentially complement the perennial ryegrass dominant dairy feedbase." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Hobart.
Comparing within paddock yield variability of perennial ryegrass monocultures and perennial ryegrass, white clover and plantain mixtures using yield mapping
McLaren, David K. and Pembleton, Keith G.. 2015. "Comparing within paddock yield variability of perennial ryegrass monocultures and perennial ryegrass, white clover and plantain mixtures using yield mapping." 17th Australian Agronomy Conference 2015: Building Productive, Diverse and Sustainable Landscapes (AAC 2015). Hobart, Australia 20 - 24 Sep 2015 Australia.
Effect of defoliation management on expression of the ‘high sugar’ cultivar trait in Tasmania
Turner, Lydia R., Donaghy, Daniel J, Pembleton, Keith G. and Rawnsley, Richard P. 2013. "Effect of defoliation management on expression of the ‘high sugar’ cultivar trait in Tasmania." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Effect of nitrogen fertiliser applications on botanical composition
Turner, Lydia R., Donaghy, Daniel J., Pembleton, Keith G. and Rawnsley, Richard P.. 2013. "Effect of nitrogen fertiliser applications on botanical composition." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Impact of grazing on the silage yield of forage oat crops
Pembleton, Keith G., Harrison, Matthew T. and Rawnsley, Richard P.. 2013. "Impact of grazing on the silage yield of forage oat crops." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Early sowing and irrigating of rape crops in cool temperate environments boosts forage yield potential
Harrison, Matthew T., Pembleton, Keith G. and Rawnsley, Richard P.. 2013. "Early sowing and irrigating of rape crops in cool temperate environments boosts forage yield potential." 22nd International Grassland Congress: Revitalising Grasslands to Sustain Our Communities. Sydney, Australia 15 - 19 Sep 2013 Australia.
Frost risk associated with growing maize for silage on Tasmanian dairy farms
Pembleton, Keith. 2012. "Frost risk associated with growing maize for silage on Tasmanian dairy farms." Rawnsley RP (ed.) 16th Australian Agronomy Conference: Capturing Opportunities and Overcoming Obstacles in Australian Agronomy (ASA 2012). Armidale, Australia 14 - 18 Oct 2012 Armidale, Australia.
A web-based system for scheduling irrigation in sugarcane
Inman-Bamber, N. G., Attard, S. J., Verrall, S. A., Webb, W. A. and Baillie, C.. 2007. "A web-based system for scheduling irrigation in sugarcane." 2007 International Society of Sugar Cane Technologists Congress. Durban, South Africa Mauritius.
Partitioning of taproot constituents and crown bud development are affected by water deficit in regrowing alfalfa (Medicago sativa L.)
Pembleton, Keith G., Volenec, Jeffrey J., Rawnsley, Richard P. and Donaghy, Daniel J.. 2010. "Partitioning of taproot constituents and crown bud development are affected by water deficit in regrowing alfalfa (Medicago sativa L.)." Crop Science: a journal serving the international community of crop scientists. 50 (3), pp. 989-999. https://doi.org/10.2135/cropsci2009.03.0140
Yield, yield components and shoot morphology of four contrasting lucerne (Medicago sativa) cultivars grown in three cool temperate environments
Pembleton, K. G., Donaghy, D. J., Volenec, J. J., Smith, R. S. and Rawnsley, R. P.. 2010. "Yield, yield components and shoot morphology of four contrasting lucerne (Medicago sativa) cultivars grown in three cool temperate environments." Crop and Pasture Science. 61 (6), pp. 503-511. https://doi.org/10.1071/CP09351
Genotype by environment interactions of lucerne (Medicago sativa L.) in a cool temperate climate
Pembleton, K. G., Smith, R. S., Rawnsley, R. P., Donaghy, D. J. and Humphries, A. W.. 2010. "Genotype by environment interactions of lucerne (Medicago sativa L.) in a cool temperate climate." Crop and Pasture Science. 61 (6), pp. 493-502. https://doi.org/10.1071/CP09269
Effect of summer irrigation on seasonal changes in taproot reserves and the expression of winter dormancy/activity in four contrasting lucerne cultivars
Pembleton, K. G., Cunningham, S. M. and Volenec, J. J.. 2010. "Effect of summer irrigation on seasonal changes in taproot reserves and the expression of winter dormancy/activity in four contrasting lucerne cultivars." Crop and Pasture Science. 61 (11), pp. 873 - 884. https://doi.org/10.1071/CP10030
Utilising leaf number as an indicator for defoliation to restrict stem growth in rhodes grass (Chloris gayana) cv. Callide
Pembleton, K.G., Lowe, K.F. and Bahnisch, L.M.. 2009. "Utilising leaf number as an indicator for defoliation to restrict stem growth in rhodes grass (Chloris gayana) cv. Callide." Tropical Grasslands. 43, pp. 79-85.
Water deficit alters canopy structure but not photosynthesis in regrowing alfalfa (Medicago sativa L.)
Pembleton, Keith, Rawnsley, Richard P., Donaghy, Daniel J. and Volenec, Jeffrey J.. 2009. "Water deficit alters canopy structure but not photosynthesis in regrowing alfalfa (Medicago sativa L.)." Crop Science: a journal serving the international community of crop scientists. 49 (2), pp. 722-731. https://doi.org/10.2135/cropsci2008.08.0456
Effect of defoliation interval and height on the growth and quality of Arachis pintoi cv. Amarillo
Sinclair, K., Lowe, K.F. and Pembleton, K.G.. 2007. "Effect of defoliation interval and height on the growth and quality of Arachis pintoi cv. Amarillo." Tropical Grasslands. 41 (4), pp. 260-268.
Potential of tropical forages for the Tasmanian dairy industry
Pembleton, Keith, Rawnsley, Richard, Donaghy, Danny and Chamberlain, Peter. 2006. "Potential of tropical forages for the Tasmanian dairy industry." 13th Australian Agronomy Conference 2006. Perth, Australia 10 - 14 Sep 2006 Australia. Australian Society of Agronomy.