Agronomy and Crop Sciences Commons^™

Efficacy Of Seed Treatments, Microbial And Biochemical Pesticides For Managing Early Tan Spot And Stripe Rust Diseases Of Wheat, Collins Bugingo

Electronic Theses and Dissertations

Wheat is a major cereal crop in the U.S.A and in the world. However, its production is hampered by a number of factors both biotic and abiotic. Foliar diseases like tan spot caused by Pyrenophora tritici-repentis and stripe rust caused by Puccinia striiformis f. sp. tritici, are economically important diseases causing over 5-55 % yield loss. To assess the efficacy of fungicide seed treatments in the management of early tan spot, two hard red spring wheat cultivars “Select” and “Brick” were treated with seedapplied commercially available combo fungicides metalaxyl + pyraclostrobin + triticonazole and difenoconazole + mefenoxam + sedaxane …

Stability Analysis Of Immunogenic Gliadin Accumulation In Hard Red Spring Wheat (Triticum Aestivum L.), Stacy Lindblom-Dreis

Electronic Theses and Dissertations

Misconceptions regarding plant breeding objectives have led to speculation regarding the increasing prevalence of gluten intolerance, wheat allergy, and celiac disease. It is thought that contemporary wheat cultivars accumulate more immunogenic proteins than older cultivars because of supposed genetic changes effected through plant breeding strategies. This study evaluated the stability of gliadin accumulation in 191 hard red spring wheat cultivars grown in 12 location-years. Two enzyme-linked immunosorbent assays (ELISAs) were developed. A paired t test (N = 34) failed to find a statistically significant difference between the experimental ELISAs and the commercial R5 assay measures of mean gliadin (t = …

Water Productivity Of Rainfed Maize And Wheat: A Local To Global Perspective, Juan I. Rattalino Edreira, Nicolas Guilpart, Victor Sadras, Kenneth G. Cassman, Martin K. Van Ittersum, Rene L.M. Schils, Patricio Grassini

Department of Agronomy and Horticulture: Faculty Publications

Water productivity (WP) is a robust benchmark for crop production in relation to available water supply across spatial scales. Quantifying water-limited potential (WPw) and actual on-farm (WPa) WP to estimate WP gaps is an essential first step to identify the most sensitive factors influencing production capacity with limited water supply. This study combines local weather, soil, and agronomic data, and crop modeling in a spatial framework to determine WPw and WPa at local and regional levels for rainfed cropping systems in 17 (maize) and 18 (wheat) major grain-producing countries representing a wide range of cropping systems, from intensive, highyield maize …

Respons Tanaman Gandum Akibat Pemberian Sitokinin Berbagai Konsentrasi Dan Waktu Aplikasi Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Asyifa Fiani Putri, Yuyun Yuwariah, Yudithia Maxiselly, Tati Nurmala

Jurnal Kultivasi

Pertumbuhan dan hasil gandum (Triticum aestivum L.) diketahui dapat ditingkatkan dengan pemberian sitokinin. Sitokinin berperan juga dalam menunda penuaan daun gandum dan mengurangi cekaman panas di dataran medium. Penelitian ini bertujuan untuk mengetahui pengaruh interaksi berbagai konsentrasi sitokinin dengan berbagai waktu aplikasinya terhadap pertumbuhan dan hasil tanaman gandum. Penelitian menggunakan metode percobaan yang dilakukan di kebun percobaan Ciparanje Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Sumedang mulai bulan November 2016 sampai dengan Februari 2017. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok, sementara rancangan perlakuan adalah faktorial. Perlakuan terdiri dari dua faktor, yaitu konsentrasi sitokinin (3 taraf) dan waktu aplikasi (5 taraf). …

Arkansas Wheat Cultivar Performance Tests 2016-2017, R. E. Mason, R. G. Miller, D. E. Moon, J. P. Kelley

Arkansas Agricultural Experiment Station Research Series

Wheat cultivar performance tests are conducted each year in Arkansas by the University of Arkansas System Division of Agriculture’s Arkansas Agricultural Experiment Station, Department of Crop, Soil and Environmental Sciences. The tests provide information to companies developing cultivars and marketing seed within the state and aid the Arkansas Cooperative Extension Service in formulating cultivar recommendations for small-grain producers.

Western Australian Arable Crops Industry - Overview For Potential Investors And Other Stakeholders, Virginia Wilkinson, Tim Morris, Nicki Hall, David Hughes Professor

Farm Systems and Economics published reports

When looking at opportunities for investment in the Western Australian arable crop production system, one must consider by whom? If you were to judge purely from the popular press, you would believe Western Australia agriculture was totally controlled by billionaires and foreign speculators. Nothing could be further from the truth.

The largest farmer, the largest farmland owner, the largest investor, the largest employer and the largest agrifood research funder in Western Australia (WA) is the government. The government is also the largest builder of the infrastructure used by the industry. At the same time, the government invests in food safety …

Pengaruh Pupuk Silikon Organik Dan Kompos Terhadap Pertumbuhan Dan Hasil Gandum Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Agus Wahyudin, Tati Nurmala, Muhammad Irfan Janitra

Jurnal Kultivasi

Gandum di daerah tropis mempunyai potensi pengembangan di dataran medium.Silikon dapat mengurangi cekaman panas pada gandum di dataran medium, sementara kompos diharapkan dapat menjadi substitusi pupuk silikon. Penelitian ini bertujuan untuk mengetahui pengaruh interaksi antara pupuk silikon dengan kompos terhadap pertumbuhan dan hasil tanaman gandum (Triticum aestivum L.) di dataran medium. Penelitian ini dilaksanakan pada bulan April 2016 – September 2016 di kebun percobaan Ciparanje Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Sumedang. Rancangan percobaan yang digunakan adalah rancangan acak kelompok sementara rancangan perlakuan adalah faktorial yang terdiri dari 6 taraf dosis silikon 50 kg ha-1, 100 kg ha-1, 150 kg ha-1, …

Field-Observed Angles Of Repose For Stored Grain In The United States, Rumela Bhadra, Mark E. Casada, Sidney A. Thompson, Josephine M. Boac, Ronaldo G. Maghirang, Michael D. Montross, Aaron P. Turner, Samuel G. Mcneill

Biosystems and Agricultural Engineering Faculty Publications

Bulk grain angle of repose (AoR) is a key parameter for inventorying grain, predicting flow characteristics, and designing bins and grain handling systems. The AoR is defined for two cases, piling (dynamic) or emptying (static), and usually varies with grain type. The objective of this study was to measure piling angles of repose for corn, sorghum, barley, soybeans, oats, and hard red winter (HRW) wheat in steel and concrete bins in the United States. Angles were measured in 182 bins and 7 outdoor piles. The piling AoR for corn ranged from 15.7° to 30.2° (median of 20.4° and standard deviation …

Characterization Of Pyrenophora Tritici-Repentis In Wheat And Rye To Study Tan Spot Susceptibility And Insights Into Its Relationship With Stem Rust Resistance, Sidrat Abdullah

Electronic Theses and Dissertations

Tan spot, caused by the ascomycete fungus, Pyrenophora tritici-repentis (Ptr), is a major foliar fungal disease of wheat worldwide. To date, Ptr isolates have been grouped into eight races based on the production of three host selective effectors (toxins), Ptr ToxA, ToxB, and ToxC, which are associated with necrosis and chlorosis symptoms on wheat differential lines. In order to see the correlation between stem rust resistance and tan spot susceptibility in 1970’s, to know the pathogen virulence profile, and explore the sources of tan spot resistance, we recovered isolates from wheat and rye and evaluated wheat and rye lines with …

Expression Of The Maize Dof1 Transcription Factor In Wheat And Sorghum, Pamela A. Pena, Truyen Quach, Shirley Sato, Zhengxiang Ge, Natalya Nersesian, Taity Changa, Ismail M. Dweikat, Madhavan Soundararajan, Tom E. Clemente

Department of Agronomy and Horticulture: Faculty Publications

Nitrogen is essential for plant growth and development. Improving the ability of plants to acquire and assimilate nitrogen more efficiently is a key agronomic parameter that will augment sustainability in agriculture. A transcription factor approach was pursued to address improvement of nitrogen use efficiency in two major commodity crops. To this end, the Zea mays Dof1 (ZmDof1) transcription factor was expressed in both wheat (Triticum aestivum) and sorghum (Sorghum bicolor) either constitutively, UBI4 promoter from sugarcane, or in a tissue specific fashion via the maize rbcS1 promoter. The primary transcription activation target of ZmDof1 …

Pertumbuhan Dan Hasil Gandum (Triticum Aestivum L.) Yang Diberi Perlakuan Pupuk Silikon Dengan Dosis Yang Berbeda Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Yudithia Maxiselly, Oviyanti Mulyani, M. I. Janitra

Jurnal Kultivasi

Pemberian silikat diketahui dapat meningkatkan aktivitas antioksidan, stabilitas membran sel, dan kandungan klorofil meningkat sehingga dapat mengatasi cekaman panas. Penelitian ini bertujuan untuk mengetahui dosis silikon yang optimum terhadap pertumbuhan dan hasil tanaman gandum yang maksimum di dataran medium. Percobaan dilakukan sejak Maret hingga Agustus 2016 di Kebun Percobaan Fakultas Pertanian Universitas Padjadjaran, Jatinangor, dengan ketinggian tempat yaitu ± 750 m di atas permukaan laut. Rancangan percobaan adalah Rancangan Acak Kelompok, terdiri dari 7 perlakuan dosis pupuk silika yang diulang 3 kali. Perlakuan terdiri dari 0, 50, 100, 150, 200, 250, dan 300 kg ha-1. Perbedaan nilai rata-rata taraf diuji …

Arkansas Wheat Cultivar Performance Tests 2015-2016, R. E. Mason, R. G. Miller, D. E. Moon, J. P. Kelley

Arkansas Agricultural Experiment Station Research Series

Wheat cultivar performance tests are conducted each year in Arkansas by the Arkansas Agricultural Experiment Station, Department of Crop, Soil and Environmental Sciences. The tests provide information to companies developing cultivars and/or marketing seed within the state and aid the Arkansas Cooperative Extension Service in formulating cultivar recommendations for small-grain producers.

Pengaruh Pemberian Gibberellin Dan Sitokinin Pada Konsentrasi Yang Berbeda Terhadap Pertumbuhan Dan Hasil Gandum (Triticum Aestivum L.) Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Tati Nurmala, Aep Wawan Irwan, Annisa Sarah Utami Putri

Jurnal Kultivasi

Penelitian ini bertujuan untuk mengetahui pertumbuhan dan hasil tanaman gandum yang maksimum di dataran medium melalui pemberian giberelin dan sitokinin dengan konsentrasi yang berbeda. Percobaan dilakukan sejak Maret hingga Agustus 2015 di Kebun Percobaan Fakultas Pertanian Universitas Padja-djaran, Jatinangor, dengan ketinggian tempat yaitu ± 750 m di atas permukaan laut.Rancangan percobaan adalah Rancangan Acak Kelompok dengan rancangan perlakuan faktorial. Perla-kuan terdiri dari dua faktor, masing-masing terdiri dari tiga taraf,yang diulang tiga kali. Faktor pertama adalah konsentrasi giberelin, terdiri dari taraf 150 ppm, 250 ppm, dan 350 ppm. Faktor kedua adalah konsentrasi sitokinin, terdiri dari taraf 20, 40, dan 60 ppm. …

Correlating Bulk Density (With Dockage) And Test Weight (Without Dockage) For Wheat Samples, Rumela Bhadra, Mark E. Casada, Josephine M. Boac, Aaron P. Turner, Sidney A. Thompson, Michael D. Montross, Ronaldo G. Maghirang, Samuel G. Mcneill

Biosystems and Agricultural Engineering Faculty Publications

In grain bins, the compaction of stored grain is caused by the overbearing pressure of the bulk material in the bin. To predict the amount of grain in the bin, compaction values must be determined based on the average bulk density (BD) of the stored material. However, BD is determined following the Federal Grain Inspection Service (FGIS) guidelines for measuring test weight (TW), which require that dockage be removed prior to measuring wheat TW. Thus, this creates a problem for predicting grain compaction and conducting inventory studies, because the average BD of the grain in a bin for these calculations …

Impact Of Derived Global Weather Data On Simulated Crop Yields, Justin Van Wart, Patricio Grassini, Kenneth Cassman

Department of Agronomy and Horticulture: Faculty Publications

Crop simulation models can be used to estimate impact of current and future climates on crop yields and food security, but require long-term historical daily weather data to obtain robust simulations. In many regions where crops are grown, daily weather data are not available. Alternatively, gridded weather databases (GWD) with complete terrestrial coverage are available, typically derived from: (i) global circulation computer models; (ii) interpolated weather station data; or (iii) remotely sensed surface data from satellites. The present study’s objective is to evaluate capacity of GWDs to simulate crop yield potential (Yp) or water-limited yield potential (Yw), which can serve …

Pertumbuhan Dan Hasil Gandum (Triticum Aestivum L.) Yang Diberi Asam Salisilat Dan Kalsium Klorida Dengan Selang Waktu Yang Berbeda Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Aep Wawan Irwan, Agus Wahyudin, Linda Wahyu Setianingrum

Jurnal Kultivasi

Penelitian ini bertujuan untuk mengetahui pertumbuhan, hasil, dan kualitas hasil tanaman gandum yang maksimum di dataran medium melalui pemberian kalsium klorida dan asam salisilat dengan interval waktu yang terbaik. Percobaan dilakukan sejak Maret hingga Juli 2015 di Kebun Percobaan Fakultas Pertanian Univer-sitas Padjadjaran, Jatinangor, dengan ketinggian tempat yaitu ± 750 m di atas permukaan laut. Rancangan percobaan adalah Rancangan Acak Kelompok yang terdiri dari lima perlakuan dan diulang empat kali sehingga terdapat 20 plot percobaan. Ukuran petak percobaan yang digunakan adalah 3 m x 4 m. Adapun perlakuan yang diberikan adalah A = Aplikasi CaCl2 dan Asam Salisilat dengan interval …

Association Mapping For Elemental Concentration Resulting From Vegetative Stage Soil Waterlogging Stress In Wheat (Triticum Aestivum L.), Maria Nelly Arguello-Blanco

Graduate Theses and Dissertations

Soil waterlogging (WL) affects wheat production worldwide, including the southern of the U.S. Little is known about the genetics of tolerance mechanisms to WL, particularly of potentially toxic elements such as aluminum, iron and sodium. The objectives of this study were to use association mapping (AM) to identify SNP associated with the EC in the vegetative tissue of a set of 240 diverse soft winter wheat genotypes (AM panel) grown under field WL and to determine the impact of WL on wheat yield (GY) and yield components in a set 28 adapted cultivars (YT)

YT study showed reductions in GY …

Stored Grain Pack Factors For Wheat: Comparison Of Three Methods To Field Measurements, Josephine M. Boac, Rumela Bhadra, Mark E. Casada, Sidney A. Thompson, Aaron P. Turner, Michael D. Montross, Samuel G. Mcneill, Ronaldo G. Maghirang

Biosystems and Agricultural Engineering Faculty Publications

Storing grain in bulk storage units results in grain packing from overbearing pressure, which increases grain bulk density and storage unit capacity. This study compared pack factors of hard red winter (HRW) wheat in vertical storage bins using different methods: the existing packing model (WPACKING), the USDA Risk Management Agency (RMA) method, and the USDA Farm Service Agency Warehouse Licensing and Examination Division (FSA-W) method. Grain bins containing HRW wheat were measured in Kansas, Oklahoma, and Texas. Packing was measured in corrugated steel bins and reinforced concrete bins with diameters ranging from 4.6 to 31.9 m (15.0 to 104.6 ft) …

Potential For Crop Production Increase In Argentina Through Closure Of Existing Yield Gaps, Fernando Aramburu Merlos, Juan Pablo Monzon, Jorge L. Mercau, Miguel Taboada, Fernando H. Andrade, Antonio J. Hall, Esteban Jobbagy, Kenneth Cassman, Patricio Grassini

Department of Agronomy and Horticulture: Faculty Publications

Favorable climate and soils for rainfed crop production, together with a relatively low population density,results in 70–90% of Argentina grain production being exported. No assessment to date has tried to estimate the potential for extra grain production for soybean, wheat and maize, which account for 78%of total harvested area, by yield gap closure on existing cropland area and its impact at a global scale.The objectives of this paper are (i) to estimate how much additional grain could be produced without expanding crop area by closing yield gaps in Argentina, (ii) to investigate how this production and yield gaps varies across …

Population Dynamics Of Triticum Mosaic Virus In Various Host Species, Melissa S. Bartels

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

It has been established that RNA viruses should be genetically diverse, due to the high error rate of their RNA-dependent RNA polymerases and the lack of proof-reading capabilities. Plant RNA viruses are not as genetically diverse as expected. Evolutionary factors, such as purifying selection and bottlenecks that favor genetic stability, might be affecting plant viral populations. Otherwise RNA virus populations, with their potential for extreme diversity, might acquire a lethal number of mutations leading to the collapse of the population.

Triticum mosaic virus (TriMV) populations maintained in a controlled greenhouse environment displayed genetic stability. The mutation frequency per nucleotide of …

Fertilizer Nitrogen Uptake Efficiency In Soft Red Winter Wheat And The Ability Of N-Star To Detect Alkaline Hydrolyzable Nitrogen In Crop Residues, Lana Aubrey Clark

Graduate Theses and Dissertations

Soil testing methods such as the Illinois Soil Nitrogen Test (ISNT) and Direct Steam Distillation (DSD) have been developed which measure alkaline hydrolyzable-N (AH-N) as a means of estimating potentially mineralizable-N. Crop residues play an important role in N cycling. However, the ability of the ISNT and DSD methods to determine AH-N within crop residues is unknown. Therefore, the first objective of this study was to determine the ability of the ISNT and DSD to quantify potentially mineralizable-N within five different crop residues common to Arkansas. Corn (Zea mays L.), soybean (Glycine max, L.), wheat, rice (Oryza sativa, L.), and …

Effects Of Wheat Grain Moisture: Quality, Germination, And Relationship To Accumulated Growing Degree Days, Kirsten Thomas

Open Access Theses

Bread wheat (Triticum aestivum L.) is a cereal crop of global importance. As global demand increases, it is essential to increase the quality and efficiency of crop production. Harvesting wheat early provides an opportunity for increased grain quality, and it may also allow the grower to double-crop soybean ( Glycine max L.) after wheat more effectively. Our objectives were to determine if harvesting grain early, at high moisture would, 1) increase milling and baking quality and 2) improve germination potential. As a result of these objectives, we will develop a model to predict dry-down of wheat. Five soft red …

Quantitative Trait Loci Associated With Waterlogging Tolerance In A Soft Red Winter Wheat Mapping Population, Diana Carolina Ballesteros Benavides

Graduate Theses and Dissertations

Waterlogging is caused when water stays superficially in the soil for an extended period of time, creating an anaerobic environment which decreases plant growth and grain yield at maturity. Despite the impact of waterlogging on wheat production both globally and in the southeastern U.S., very little is known about the genetic control of waterlogging tolerance in wheat. The objective of this study was to determine the amount of genetic variation for vegetative stage waterlogging tolerance present within a wheat recombinant inbred line (RIL) population and to identify quantitative trait loci (QTL) associated with tolerance and productivity. Experiments were carried out …

Pertumbuhan Dan Hasil Gandum (Triticum Aestivum L.) Yang Diberi Perlakuan Kalsium Klorida Dan Asam Salisilat Yang Diadaptasikan Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Tati Nurmala, Sumadi

Jurnal Kultivasi

The objective of the research was to determine maximum yield of wheat that wereplanted on medium land which were treated calcium chloride and salicylic acid with an optimum concentration. The experiment was conducted from March untilJuly 2011 at The Experimental Station of Faculty of Agriculture, University of Padjadjaran, Jatinangor with an altitude of about 750 metres above sea level. The experimental design used was Randomized Block Design with factorial treatment design which consisted of two factors and replicated three times. The first factor was concentrations of calcium chloride which consisted of three levels: 0 M, 10-2 M, and 2 x …

Pertumbuhan Dan Hasil Gandum (Triticum Aestivum L.) Yang Diberi Perlakuan Kalsium Klorida Dan Asam Salisilat Yang Diadaptasikan Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Tati Nurmala, Sumadi

Jurnal Kultivasi

The objective of the research was to determine maximum yield of wheat that wereplanted on medium land which were treated calcium chloride and salicylic acid with an optimum concentration. The experiment was conducted from March untilJuly 2011 at The Experimental Station of Faculty of Agriculture, University of Padjadjaran, Jatinangor with an altitude of about 750 metres above sea level. The experimental design used was Randomized Block Design with factorial treatment design which consisted of two factors and replicated three times. The first factor was concentrations of calcium chloride which consisted of three levels: 0 M, 10-2 M, and 2 x …

Nutrient Partitioning And Grain Yield Of Tanam-Rnai Wheat Under Abiotic Stress, Mary J. Guttieri, Ricardo J. Stein, Brian M. Waters

Department of Agronomy and Horticulture: Faculty Publications

Aims — Decreased expression of TaNAM genes by RNAi results in delayed senescence and decreased grain protein, iron, and zinc concentrations. Here, we determined whether NAM expression level alters onset of senescence under stress conditions, whether delayed senescence in the TaNAM-RNAi line resulted in improved tolerance to post-anthesis abiotic stress, and determined the effects of post-anthesis abiotic stress on N and mineral remobilization and partitioning to grain.

Methods — Greenhouse-grown WT and TaNAM-RNAi wheat were characterized in two studies: three levels of N fertility or water limitation during grain fill. Studies were conducted under both optimal and heat stress …

Estimating Crop Yield Potential At Regional To National Scales, Justin Van Wart, Kurt Christian Kersebaum, Shaobing Peng, Maribeth Milner, Kenneth Cassman

Department of Agronomy and Horticulture: Faculty Publications

World population will increase 35% by 2050, which may require doubling crop yields on existing farm land to minimize expansion of agriculture into remaining rainforests, wetlands, and grasslands. Whether this is possible depends on closing the gap between yield potential (Yp, yield without pest, disease, nutrient or water stresses, or Yw under water-limited rainfed conditions) and current average farm yields in both developed and developing countries. Quantifying the yield gap is therefore essential to inform policies and prioritize research to achieve food security without environmental degradation. Previous attempts to estimate Yp and Yw at a global level have been too …

Wheat Variety Guide For Wa 2012, Brenda Shackley, Sarah Ellis, Christine Zaicou, Harmohinder Dhammu, Manisha Shankar, Mohammad Amjad

Bulletins 4000 -

The wheat variety guide summarises performance characteristics of commercially available wheats which have undergone testing in the National Variety Testing Project (NVT), and Department of Agriculture and Food (DAFWA) wheat agronomy project.

This information includes variety summaries, agronomic, disease and herbicide tolerance characteristics and medium to long-term yield performance. There is a review of regional NVT performance, time of sowing experiments and observed flowering dates in 2011. By combining agronomy research outcomes with other related wheat research this document provides current information to assist with variety choice and management for 2012.

Wheat Variety Guide For Wa 2011, Brenda Shackley, Sarah Ellis, Christine Zaicou, Harmohinder Dhammu, Manisha Shankar

Bulletins 4000 -

The wheat variety guide summarises performance characteristics of commercially available wheats which have undergone testing in the National Variety Trials Project (NVT), breeding organisations crop variety testing and Department of Agriculture and Food (DAFWA) variety specific agronomy projects.

This information includes variety summaries, agronomic, disease and herbicide tolerance characteristics and medium to long-term yield performance. A review of regional performance in 2010 is followed by a comprehensive summary of 2010 variety time of sowing experiments and observed flowering dates.

By combining agronomy research outcomes with other related wheat research this document provides current information to assist with variety choice and …

Crop Updates 2011 - Nutrition, Precision Agriculture & Climate And Forecasting, Deb Archdeacon, Andrew Gulliver, David Cullen, Qifu Ma, Richard Bell, Ross Brennan, Craig Scanlan, Wen Chen, Geoff Anderson, Mike Bolland, Peter Rees, Sandy Alexander, Frank D'Emden, Stephen Davies, Breanne Best, Louise Barton, Klaus Butterbach-Bahl, Ralph Kiese, Daniel Murphy, Peter Newman, Roger Mandel, Roger Lawes, Michael Robertson, Derk Bakker, Jeremy Lemon, Alison Lacey, John Paul Collins, Glen Riethmuller, Fiona H. Evans, David Stephens, Caroline Peek, Tim Scanlon

Crop Updates

This session covers sixteen papers from different authors:

Nutrition

1. Balance® used in conventional cropping practice with half of the upfront fertiliser rate can sustain crop yield and build soil biological fertility, Deb Archdeacon1, Andrew Gulliver2 and David Cullen2, 1Agronomica, Wellington Mill, WA, 2Custom Composts, Nambeelup, WA

2. Effects of potassium (K) supply on plant growth, potassium uptake and grain Yield in wheat grown in grey sand, Qifu Ma1, Richard Bell1, Ross Brennan2 and Craig Scanlan2, 1School of Environmental Science, Murdoch University, 2Department of Agriculture and Food

3. Improving fertiliser management: redefining the …