Field Research & Agronomy

To test Phosphorus (P) and Potassium (K) response in Maximus barley, as well as the interaction between the two in order to optimise production and profitability. The trial will provide valuable local knowledge to the Corrigin region growers on how best to spend their fertilizer budget for maximum returns. This is particularly important given the high yields produced by the record-breaking season of 2020, where a lot of soil nutrients were removed.

This trial assesses the response of wheat under with phosphorus (P) and potassium (K) fertilizer application in a split-plot trial design under moderate or high nitrogen (N) application rates in the Mingenew area.

This trial aims to improve understanding of the value of optimal P and K applications for wheat yield, grain quality and profitable returns following soil amelioration.

Investigate local P requirements in wheat and reinforce the importance of P for a profitable crop. Determine if increasing P rates influences crop Mn status. Assess yield and quality benefits from various P rates +/- Mn.

Extend and modify the approach of LTSUM20.02 to assess varying the strategy for applied K rates and application timings for yield and profitability of canola on sandy soil in the Badgingarra area.

To investigate wheat yield and quality responses to increasing rates of nitrogen (N) and potassium (K) in the field, with the further aim of optimising yield and quality to maximise returns in the Dandaragan area.

To assess the response of Calibre Wheat under a factorial nitrogen (N) and potassium (K) fertilizer application trial design in the Wubin area. To improve understanding of the value of optimal N and K for wheat yield, grain quality and profitable returns.

This trial is part of a series of trials contributing to GRDC Project UWA1801-002RTX looking at ‘profit from N, P and K fertilizer inputs into the evolving cropping sequences in the Western Region.

We assess the importance of potassium (K) placement as either MOP or SOP at increasing rates on canola at a sandy clay loam site east of Muntadgin.

This trial assesses a number of nitrogen application strategies with increasing rates to match site conditions and Scepter wheat yield potential at a loamy site south east of Mingenew.

This trial assesses a number of nitrogen application strategies with increasing rates to match site conditions and Scepter wheat yield potential at a sandy site south west of Mingenew.

This trial assesses the response of wheat under a factorial nitrogen (N) and phosphorus (P) fertilizer application trial design in the Tammin area.

We investigate the agronomic response of Magenta wheat to various rates and compounds of P fertilisers in a scaled-up plot trial

Varying levels of nutrition were applied so that seed can be analysed and retained for use next year to assess the performance of varying seed nutrition levels. This trial hopes to provide further insight for improving on-farm P management.

This trial aims to assess the long-term response and carryover effect of manganese (Mn) fertiliser at a sandy soil site north of Regans Ford.

This trial investigates the interactions between increasing nitrogen (N) and phosphorus (P) interactions on Illabo wheat. At a sandy loam site south east of Muntadgin we aim to improve understanding of N and P importance in yield and grain quality and begin to elucidate nutrient response behaviour in winter wheats with their distinct growth habits.

This trial investigates the interactions between increasing phosphorus (P) and potassium (K) interactions on wheat at a sandy loam site south of Moorine Rock. With hope to increase understanding and refinement of P and K application rates and importance in wheat yield and grain quality.

This trial assesses the response of barley under a factorial nitrogen (N) and phosphorus (P) fertilizer application trial design in the Merredin area to increase recognition of the value of optimal N and P to barley yield, grain quality and profitable returns.

This trial investigates the interactions between increasing phosphorus (P) and potassium (K) interactions on a noodle wheat at a sandy clay loam site south west of Nungarin. With hope to increase knowledge of P and K importance in wheat yield and grain quality.

This trial assesses the response of barley under a factorial nitrogen (N) and phosphorus (P) fertilizer application trial design in the Mukinbudin area to increase recognition of the value of optimal N and P to barley yield, grain quality and profitable returns.

We aim to assess the response of Scepter and RockStar wheat to increasing rates of applied phosphorus (P) when sown at different times during the sowing window in the Northam area.

This trial aims to utilise seed retained from SUM19.19 to assess the growth and performance of Barlock and Jurien lupin seed with different manganese (Mn) concentrations on a low Mn status sandy soil south of Eradu.

This trial aims to assess the response of Barlock and Jurien lupins to manganese (Mn) fertilizer on sandy soils south-east of Eradu, while also assessing the efficacy of various chemical forms of Mn fertilizer, with hopes to provide further insight into the decision making when using Mn sources at seeding.

Progressively increasing K rates to optimise returns poses questions of contemporary crop tolerance to chloride (Cl-) associated with muriate of potash (MOP) compared with sulphate of potash (SOP) sources. This trial assesses the importance of K placement as either MOP or SOP, on wheat in 2020, at a sandy site east of Badgingarra at rates designed to run-down, maintain and potentially build K soil reserves over time.

Summit have instigated a trial series to allow maximum yield potential expression of contemporary crop varieties by removing all nutrient limitations. This trial investigates the interactions between nitrogen (N), phosphorus (P) and potassium (K) rates on Scepter wheat grain production at a sandy clay loam site north west of Corrigin.

Aim: To assess the response of Barley, Oat & Wheat varieties to applied nitrogen (N) fertilizer.

Aim: To assess the response of wheat to applied potassium (K) rates, sources and placement.

This trial investigates the response of wheat to applied nitrogen (N) and phosphorus (P) rates to determine a recommended fertilizer regime for local growers that maximises yield and profitability.

To evaluate the response of wheat to phosphorus (P) and potassium (K) fertilizer application at a sandy loam site south of Mukinbudin

To investigate high-end cereal nutrient growth response capacity after removal of soil constraints. Particularly evaluating how wheat responds to nitrogen (N), phosphorus (P) and potassium (K) fertilizer application.

Aim: To determine high-end nutrient-growth response capacity after removal of soil constraints. Particularly evaluating how canola responds to nitrogen (N), phosphorus (P) and potassium (K) fertilizer application.

Aim: To assess the response of chickpeas to phosphorus (P) fertilizer application on heavy land site SE of Mingenew.

Aim: On light, sandy soils, Mn deficiency can be prevalent. In narrow leafed lupin, Mn deficiencies can cause split seed and reduce grain yield. Split seed occurrence in the Jurien lupin variety has been observed in 2018, but links with Mn are unknown. This trial aimed to assess Mn rates and sources to combat the split seed issues.

A long term trial looking at the annual yield response to K applied in 2014 before and after mouldboard ploughing.

Aim: To evaluate the response of wheat to nitrogen (N) and phosphorus (P) fertilizer application at a loamy sand site south of Merredin.

Aim: To evaluate the response of wheat to nitrogen (N) and phosphorus (P) fertilizer application at a sandy clay site east of Tammin.

Aim: To assess the combination of pre-drilled phosphorus and potassium rates and in-season nitrogen rates on ameliorated and non-ameliorated soils in the Merredin area.

Aim: To assess the response of Scepter wheat to applied high nitrogen rates across a range of application timings, with the purpose of comparing strategies to optimise grain yield and quality in the Dandaragan area.

Aim: To evaluate local wheat response to nitrogen (N), phosphorus (P) and potassium (K) fertilizer application.

Aim: To evaluate local wheat response to nitrogen (N), phosphorus (P) and potassium (K) fertilizer application.

To assess the relative value of banding and topdressing K at seeding time or topdressing after emergence on growth and yield of wheat

To investigate the effect of nitrogen and potassium on yield and grain quality of noodle wheat varieties in the northern agricultural region.

Demonstrate and evaluate nitrogen-rich strips (N Gauges) and Normalised Difference Vegetation Index (NDVI) measurement as decision support tools to guide economic application of nitrogen during the growing season.

Part of a series of trials to assess wheat response to N and P fertilizer applications under different conditions.

Potassium influence on Nitrogen x Phosphorus in wheat

To assess how wheat responds to N and P fertilizer applications under different conditions, soil P stores and soil PBI across the wheat belt

Expanding the series of eastern wheat belt trials assessing how wheat responds to N and P fertilizer applications by the addition of K.

Evaluate N Gauges and Normalised Difference Vegetation Index (NDVI) measurement as decision support tools to guide economic application of nitrogen and testing NDVI usage in the Summit In-Season Nitrogen Calculator predictions of yield.

Evaluate N Gauges and NDVI measurement as decision support tools to guide economic application of nitrogen during the growing season, and testing NDVI usage in the Summit In-Season Nitrogen Calculator predictions of yield.

To assess the value of sources of potassium on growth and yield of wheat when applied by banding and topdressing at seeding or topdressing after emergence

Part of a trial series to assess how wheat responds to N, P and K fertilizer applications under different conditions, soil P stores and soil PBI across the wheat belt.

To assess the most efficient way to allocate pasture fertilizer spend following a medium term cropping phase.

To assess how wheat responds to phosphorus (P) fertiliser applications under different conditions, soil P stores and soil Phosphorus Buffering Index (PBI) across the wheat belt

Response of barley to potassium (K) and nitrogen (N) rates.Yield and grain quality can be limited if either of these macro nutrients is in short supply.

Part of a trial series to assess how wheat responds to nitrogen (N), Phosphorus (P) and Potassium (K) fertilizer applications under different conditions, soil P stores and soil Phosphorus Buffer Index PBI across the Wheatbelt

Assess how barley responds to phosphorus (P) fertilizer applications under high PBI conditions.

To assess the value of muriate of potash (K) on growth and yield of oats when applied by banding and topdressing at seeding time or topdressing after emergence.

To test and calibrate the in-season nitrogen (N) calculator from wheat and barley to oats to help mid-season nitrogen decisions and maximise efficiency and returns.

Potassium strategies in wheat: source, rate, timing and placement

Testing and calibrate the extension of Summit's in-season nitrogen calculator.In conjunction with the Facey Group

Testing and calibrate the extension of Summit's in-season nitrogen calculator.In conjunction with the Facey Group

Evaluate nitrogen-rich strips (N Gauges) and Normalised Difference Vegetation Index (NDVI) measurement as to provide a simple, accurate and easy-to-understand decision support tool to guide economic application of nitrogen during the growing season.

Investigate the response of canola to potassium (K) and nitrogen (N) rates

Examine the effect of rates and timing of potassium on wheat

To assess how wheat responds to phosphorus applications on low fixing soils.

Use of nitrogen to shorten the flowering window of RR hybrid canola

Determine the response of wheat, barley and oats to nitrogen (N) and phosphorus (P) application under the same conditions in the far eastern Wheatbelt

Nitrogen x Phosphorus +/- Potassium in Wheat on Wheat Stubble

A long term (2014 to 2016) potassium and mouldboard ploughing in Wheat, Barley and Canola

To assess the germination and yield response of canola seed to coating with increasing wetter concentrations on non-wetting gravel soil.

To compare and contrast the response of wheat to P fertilizer application from TSP and MAP on high PBI, forest gravel soil

To assess the response of wheat to P application on high PBI, forest gravel soil.Also to coroborate the new DGI soil test.

To assess the effect of applying nitrogen in-season at different timings on the flowering period, yield and quality of canola production

To investigate the optimal placement strategy for phosphorus fertilizer on high PBI soil

To assess the response of wheat to P application from two fertilizer sources, MAP and TSP.Also looking at the value of drilling P fertilizer on High PBI soil compared to banding the fertilizer below the seed.

To assess the response of wheat to N, the value of applying K and using wetter coated seed on sandy soil

To assess the response of wheat to nitrogen and phosphorus fertilizer application and value of potassium and copper

In collabaration with Morawa Ag CollegeTo assess the nitrogen response of oats, wheat and barley varieties and the accuracy of the nitrogen calculators in season recommendations to achieved 10.5% and 11.5% grain protein.

To assess the response of wheat to N and to compare different application rates split between upfront and in-season top up.

Assess the response of wheat o nitrogen and phosphorus fertilizer application after biserrulla

To assess the response of wheat to combinations of nitrogen and phosphorus application and to additional value of using potassium in the Ballidu area

To assess the response of wheat to nitrogen and potassium fertilizer on canola stubble and to evaluate the advantage of potassium in promoting plant health and alleviating nematode susceptibility.

To assess the response of wheat to nitrogen and potassium fertilizer on lupin stubble and to evaluate the advantage of potassium in promoting plant health and alleviating nematode susceptibility.

Assess the response of wheat to nitrogen and phosphorus fertilizer +- potassium

Assess response of wheat to phosphorus and potassium fertilizer. South Burracoppin

Assess the response to N and P in Barley after amelioration practices.

Assess the response in Canola to N & P rates, Sth Burracoppin

Efficiency of Nitrogen and Phosphorus in the Eastern Wheatbelt

Efficiency of Nitrogen and Phosphorus in the Eastern Wheatbelt

Collaborative project with GRDCAssess the relative K requirement and responsiveness of K fertilizer in wheat.

In collabaration with GRDC Increasing profits from fertilizer

Efficient ways of allocating Nitrogen (N), Phosphorus (P) and Potassium (K) spend on pasture.

A long term potassium (K) trial to determinne more accurate critical values for K

Nitrogen and Phosphorus in pasture

Long term P strategies commenced in 2016

In callaboration with GRDC. Increasing profits with fertilizer

In collaboration with GRDC. Increasing profits from fertilizer