AGRONOMY 3012RW - Innovation in Agronomy III
Roseworthy Campus - Semester 2 - 2020
General Course Information
Course Code AGRONOMY 3012RW Course Innovation in Agronomy III Coordinating Unit School of Agriculture, Food and Wine Term Semester 2 Level Undergraduate Location/s Roseworthy Campus Units 3 Contact Up to 6 hours per week Available for Study Abroad and Exchange Y Incompatible AGRONOMY 3016RW Assumed Knowledge AGRIC 2505RW Course Description This course aims to provide students with an understanding of the important physiological principles of crop production and how these principles can be applied to cropping systems. The course has three modules: (a) Innovations in weed management; (b) Innovations in water and nutrient management; and (c) Innovations in crop agronomy. The first module will focus on enhancing understanding of behaviour of weeds under different tillage systems, herbicide properties and their interaction with crop establishment and weed control in no-till seeding systems. This module will also cover off-target risks of herbicide use including development of herbicide resistance in weeds. The second module will focus on water and nutrient management in cropping systems. Important topics such as managing crop sowing time, cover cropping/rotations and precision planting will be covered. The last module of the course will focus on innovations in crop agronomy including precision agriculture for the management of soil constraints, nutrient and weed management. It will also address controlled traffic farming, grain and graze systems and new innovations in canola production. The practical work in this course will focus on learning and applying information from crop simulations models, satellite imagery and soil moisture probes. Another practical will focus on weed control with pre-emergence herbicides as well as the extent of crop damage from herbicides and quantify the level of herbicide persistence by using a bioassay.
Course Coordinator: Dr Gurjeet Gill
The full timetable of all activities for this course can be accessed from Course Planner.
Course Learning Outcomes
1 Describe the role of physiological processes controlling plant growth and development. 2 Understand the effect of environment and management on crop growth, rate of development, water and nutrient use efficiency 3 Describe the impact of latest crop management practices on crop productivity and resource use efficiency 4 Undertake sampling of plants and soils for routine analysis of soil water and crop growth and development 5 Interpret results of research on crop growth and development, radiation interception and radiation use efficiency; crop water use and water use efficiency 6 Use decision support system Yield Prophet to understand probability of achieving various levels of productivity and the influence of water and nitrogen stress of predicted crop yield. This activity is undertaken by the students in small groups. 7 Understand the behaviour of herbicides in the environment and evolution of herbicide resistance in weeds and their management.
University Graduate Attributes
This course will provide students with an opportunity to develop the Graduate Attribute(s) specified below:
University Graduate Attribute Course Learning Outcome(s) Deep discipline knowledge
- informed and infused by cutting edge research, scaffolded throughout their program of studies
- acquired from personal interaction with research active educators, from year 1
- accredited or validated against national or international standards (for relevant programs)
1-7 Critical thinking and problem solving
- steeped in research methods and rigor
- based on empirical evidence and the scientific approach to knowledge development
- demonstrated through appropriate and relevant assessment
5-6 Teamwork and communication skills
- developed from, with, and via the SGDE
- honed through assessment and practice throughout the program of studies
- encouraged and valued in all aspects of learning
5-6 Career and leadership readiness
- technology savvy
- professional and, where relevant, fully accredited
- forward thinking and well informed
- tested and validated by work based experiences
4-7 Intercultural and ethical competency
- adept at operating in other cultures
- comfortable with different nationalities and social contexts
- Able to determine and contribute to desirable social outcomes
- demonstrated by study abroad or with an understanding of indigenous knowledges
4-6 Self-awareness and emotional intelligence
- a capacity for self-reflection and a willingness to engage in self-appraisal
- open to objective and constructive feedback from supervisors and peers
- able to negotiate difficult social situations, defuse conflict and engage positively in purposeful debate
Required ResourcesLecture handouts will be posted to the relevant area of MyUni before each class. There will be no provision of printed lecture handouts.
Recommended ResourcesTow, Cooper, Partridge and Birch (2011) Rainfed Farming Systems (Online access available through UA library)
Loomis, RS and Connor, DJ (1992) Crop Ecology: Productivity and management in agricultural systems. Cambridge University Press
Learning & Teaching Activities
Learning & Teaching ModesThe course material is taught by a combination of lectures and practical classes, with assessment in the form of practical write-ups, and summative assessment in the form of the final examination. The lectures are organised into three streams. The first of these are lectures that cover major principles related to crop physiology. The second stream covers impact of technological interventions on resource use efficiency. The third stream addresses the role of herbicides and management of herbicide resistance. Lecture modes used are based primarily on traditional classroom paradigms of lecturer-student interactions, using PowerPoint or similar presentation techniques.
Practical classes are designed and timetabled such that as far as possible, the topics co-ordinate with those being taught at that time within the lecture stream. There are two major practicals in this course. One of them deals with techniques and skills related to quantifying crop growth and development and its relationship with radiation and water use. Data collected by students in small working groups are submitted as a brief research paper. The second practical exercise is based on students learning how to use and interpret the outputs a decision support system called Yield Prophet. This exercise runs throughout the semester in which students learn how simulation models are used in the industry to manage nitrogen input for crops and how changes in seasonal rainfall impacts on the probability of achieving different levels of grain yields. This work is undertaken in small groups. Each group is required to go online and run various scenarios of crop management and then interpret the probability of likely outcomes. The final report is presented jointly by the group but the students are required to undertake self- and peer-assessment of the group. Students also undertake a practical examination, which covers basic numerical skills as well as a field-based problem solving exercise.
Feedback is provided on all assessed work.
The information below is provided as a guide to assist students in engaging appropriately with the course requirements.A student enrolled in a 3 unit course, such as this, should expect to spend, on average 12 hours per week on the studies required. This includes both the formal contact time required to the course (e.g., lectures and practicals), as well as non-contact time (e.g., reading and revision).
Learning Activities Summary
Week Lectures Practicals 1 1. Frameworks and benchmarks for analysing productivity: potential yield, attainable yield,
yield gaps and production efficiency frontiers; inputs vs efficiencies
2. Growth and yield in a water limited environment:Water use and water use efficiency
Revision of Yield Prophet; provide paddock
information; visit selected paddocks and establish N dose response plots
2 1. Growth and yield in a water limited environment: limitations and opportunities
2. Crop growth and yield formation
WUE and RUE at Roseworthy - I 3 1. Crop growth and yield formation
2. The crop canopy
Student groups to sample crops for
biomass and growth stage for comparison with Yield Prophet predictions
4 1. Crop development: genetic and environmental controls
2. How crops respond to sowing date
(a) Variety x time of sowing (Hart Field site)
(b) The impact of long-term seeding systems on crop growth (Hart Field site)
5 1. How crops respond to N and implication for management
2. How crops respond to planting arrangement
Tutorial on statistical analysis of
trial data and its interpretation
6 Crop canopy management: balancing pre- and post-anthesis water use, rate and timing of N, leaf area duration, haying-off case studies, plant growth
regulators; canopy management in high and low rainfall environments
Roseworthy Yield Prophet; crop sampling in the field; run your group’s management scenarios 7 1. Dual purpose cereals: rationale, feed gap, physiological principles, case studies from NSW, WA farmer case studies, cattle case study from Esperance
2. Dual purpose canola: whole plant removal risk, blackleg risk, dietary intake, NO3 toxicity risk, physiological principles, CSIRO research, WA farmer case studies, cattle grazing case study from WA, best-bet management
WUE and RUE at Roseworthy – 2nd
8 1. Tillage effects on soil properties: soil OC, physical properties, microbial biomass, disease suppressive soils
2. Tillage effects on weeds: germination and establishment, seed decay, weed control with pre-sowing herbicides, crop damage from pre-sowing herbicides
Weigh soil dry weights and a tutorial on the calculation of WUE and RUE 9 Soil compaction and Controlled Traffic Farming (CTF)*: sub-soil compaction, greater susceptibility of sandy soils, deep ripping/cultivation, crop responses, a South Australian case study, re-compaction, CTF - its costs and benefits, improvement in soil properties,
A visit to two farms in the Mid North and to the Hart field day site (all day trip bus leaves Roseworthy at 9 AM); not assessed 10 Precision agriculture: improvement in crop and weed management: common
constraints to yields, spatial variability in yield, approaches to PA, map
based and real time sensors, use of PA for diagnosing constraints, on-farm
trials, weed-seeker technology
Estimating crop yield - Yield Prophet and direct
estimation by sampling; spring farm tour; run your management scenarios (e.g. sowing time, seed rate, wheat variety, N rate and/or timing)
11 1. Herbicide Mode of Action and use
2. Herbicide behaviour in plants and the environment
Practical on RIM: explore the impact of weed
management tactics on ryegrass populations
12 1. Herbicide use risk – Off target movement and soil residue impacts
2. Herbicide use risk - Herbicide Resistance
Practical examination – 10%
Small Group Discovery ExperienceAll students work in small teams to undertake a study on the use of an online decision support system (Yield Prophet) to understand changes in predicted yield outcomes based on seasonal weather. Students also learn how to interpret simulation model outputs of crop growth stage and expected yield and its relationship with nitrogen and water stress. Students are also required to explore how Yield Prophet could be used to explore the likely impact of management practices such as nitogen rate, crop variety and date of sowing on predicted crop yield. Students also undertake validation of the model by collecting field data and comparing their results with the model prediction. At the end of the semester, each student group prepares a technical report based on their learnings from the use of the model.
This small group research project is worth 12.5% of the total course assessment.
The University's policy on Assessment for Coursework Programs is based on the following four principles:
- Assessment must encourage and reinforce learning.
- Assessment must enable robust and fair judgements about student performance.
- Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
- Assessment must maintain academic standards.
Assessment Task Task Type Due Weighting Learning Outcome Small group research project - Yield Prophet Summative
12.5% 1,2,4,5,6 Water and radiation use efficiency of field crops Summative Week 9 12.5% 1,2,4,5,6 A field study of the interaction between wheat varieties and sowing time (Hart Field day site) Summative Week 6 7.5% 1-6 The impact of long-term seeding systems on crop
growth (Hart Field site)
Summative Week 7 7.5% 1-6 Final Practical Examination Summative Week 12 10% 1-6 Exam Summative 50% 1-6
No information currently available.
SubmissionAssignments should be submitted with a cover sheet available from MyUni. Feedback will be provided within two weeks after the submission date.
Late submission of assessments
If an extension is not applied for, or not granted then a penalty for late submission will apply. A penalty of 10% of the value of the assignment for each calendar day that is late (i.e. weekends count as 2 days), up to a maximum of 50% of the available marks will be applied. This means that an assignment that is 5 days or more late without an approved extension can only receive a maximum of 50% of the mark.
Grades for your performance in this course will be awarded in accordance with the following scheme:
M10 (Coursework Mark Scheme) Grade Mark Description FNS Fail No Submission F 1-49 Fail P 50-64 Pass C 65-74 Credit D 75-84 Distinction HD 85-100 High Distinction CN Continuing NFE No Formal Examination RP Result Pending
Further details of the grades/results can be obtained from Examinations.
Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.
Final results for this course will be made available through Access Adelaide.
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