Farmacist – delivering practical agronomy solutions
Providing precision agronomy solutions
Farmacist Controlled Release N Work
2013 Harvests
Farmacist – delivering practical agronomy solutions
Providing precision agronomy solutions
Burdekin Controlled Release N 2013 Harvest
Agrocote
Jayson Dowie
Farmacist – delivering practical agronomy solutions
Treatment Descrip.on N Rate (kg/ha) tCane/ha CCS tSugar/ha Net Return ($/ha)
T1 100% Urea 200 122.49 c 14.82 a 18.12 c $ 3,920.63
T2 25% Agrocote 200 134.94 ab 15.13 a 20.38 a $ 4,380.75
T3 50% Agrocote 200 134.25 ab 14.30 a 19.17 abc $ 3,765.83
T4 75% Agrocote 200 140.13 a 14.29 a 19.94 ab $ 3,788.87
T5 100% Urea 160 125.32 bc 14.96 a 18.74 bc $4,135.87
T6 50% Agrocote 160 128.97 abc 14.63 a 18.86 abc $ 3,867.46
T7 100% Urea 120 123.55 bc 14.80 a 18.23 c $ 4,048.79
T8 50% Agrocote 120 104.22 d 14.65 a 15.22 d $ 3,157.08
Agrocote trial
Farmacist – delivering practical agronomy solutions
R² = 0.88343
120
122
124
126
128
130
132
134
136
138
140
142
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
0% 10% 20% 30% 40% 50% 60% 70% 80%
$/ha
(Net Return)
Agrocote percentage of Blend
$/ha
tC/ha
Poly. ($/ha)
Poly. (tC/ha)
Farmacist – delivering practical agronomy solutions
Summary
At 200N, CRF has a significant impact on producYon. • Increase of up to 18 tonnes in Cane, 2 tonnes of sugar and returns of $460/ha
• The 25% blend was the opYmal blend for this soil type.
• More work is needed to explore different soil types and improve NUE and WQ – impending forums.
Farmacist – delivering practical agronomy solutions
Young N Product Trial • Q232 fallow plant, 12kg/ha N at plant, balance at topdressing
• Sandy Loam Duplex, 0.38-‐1.4% OC (WB)
Treatment Name
N kg/ha
applied
1. 100% N 6ES – UreaS 140
2. 100% N 6ES -‐ UreaS50:Agrocote50 140
3. 80% N 6ES -‐ UreaS50:Agrocote50 112
4. 70% N 6ES -‐ UreaS 100 98
5. 70% N 6ES -‐ UreaS50:Agrocote50 98
Farmacist – delivering practical agronomy solutions
0
0.5
1
1.5
2
2.5
3
100%
N-‐ U
reaS
100%
N -‐
80% N -‐
70% N -‐ UreaS 100
70% N -‐
100%
N -‐ UreaS
100%
N -‐
80% N -‐
70% N -‐ UreaS 100
70% N -‐
100%
N -‐ UreaS
100%
N -‐
80% N -‐
70% N -‐ UreaS 100
70% N -‐ 3r
d Leaf Nitrogen
%
Young Trial -‐ Leaf Tissue N%
CriYcal Value Jan-‐13 Apr-‐13
Farmacist – delivering practical agronomy solutions
Treatment t cane/ha CCS t sugar/ha Nkg/t cane
100% N -‐ UreaS 86.8 a 15.0 a 13.0 a 1.6 a
100% N -‐ UreaS50:Agrocote50 85.6 a 15.5 a 13.2 a 1.6 a
80% N -‐ UreaS50:Agrocote50 82.0 a 15.3 a 12.5 a 1.4 b
70% N -‐ UreaS 100 83.5 a 15.5 a 12.9 a 1.2 c
70% N -‐ UreaS50:Agrocote50 83.4 a 15.3 a 12.8 a 1.2 c
LSD (P=.05) 7.6 0.5 1.0 0.1
Standard DeviaYon 4.0 0.2 0.5 0.1
Young N Product Trial
Farmacist – delivering practical agronomy solutions
Young N Product Trial
• CR Urea cost an important consideraYon
Treatment Name
N kg/ha
applied
N cost
$/ha
$ Advantage
over T1
1. 100% N 6ES – UreaS 140 273 0
2. 100% N 6ES -‐ UreaS50:Agrocote50 140 413 -‐140
3. 80% N 6ES -‐ UreaS50:Agrocote50 112 330 -‐57
4. 70% N 6ES -‐ UreaS 100 98 191 82
5. 70% N 6ES -‐ UreaS50:Agrocote50 98 289 -‐16
Farmacist – delivering practical agronomy solutions
Joe Muscat Agrocote Product Trial Objective • Evaluate slow release N product for improved yield on
deep sandy soil with leaching potential
Treatment Product rate kg/ha N P K S 1 Urea S 336 138 17 Lo N Planter 4.1 m3 46 29 116 31
Total 184 29 116 47 2 Agrocote 234 89 26
Lo N Planter 4.1 m3 46 29 116 31 Total 134 29 116 57 1R Harvest date 15/09/2012 FerYliser applicaYon date Lo N planter 26/09/2012 FerYliser applicaYon date 16/10/2012 Agrocote & UreaS Agrocote 38:0:0:13 pH 4.9, OC% 0.61, CEC 1.09
Farmacist – delivering practical agronomy solutions
2013 Harvest Results
Treatment t cane/ha CCS t sugar/ha
Lo N Planter + Urea S 87.1 a 16.4 a 14.3 a
Lo N Planter + Agrocote 83.4 a 16.8 a 13.98 a
LSD (P=.05) 5.51 1.02 1.48
Joe Muscat Agrocote Product Trial
Farmacist – delivering practical agronomy solutions
Matsen N Efficiency Trial Objective • Evaluate nitrogen fertiliser practices for improved yield and
environmental outcomes on duplex soil subject to waterlogging
No. Descrip.on Product Rate per
ha N P K S 1 Standard PracYce Lo N Planter 3.5m3/ha 39 25 99 26 Urea 263 121 0 0 0 total 160 25 99 26 2 Split N ApplicaYon Lo N Planter 3.5m3/ha 39 25 99 26 Urea 196 90 0 0 0 Easy N 72.9 31 total 160 25 99 26 3 Agrocote Blend Lo N Planter 3.5m3/ha 39 25 99 26 Urea 193 89 0 0 0 Agrocote 84.2 32 11 total 160 25 99 37 4 Agrocote straight Lo N Planter 3.5m3/ha 39 25 99 26
Agrocote 213.2 81 28 total 120 25 99 54
Farmacist – delivering practical agronomy solutions
Matsen N Efficiency Trial
Treatment t cane/ha CCS t sugar/ha Nkg/t cane
Standard PracYce 83.4 a 18.8 a 15.6 a 1.9 a
Split N – Urea + Easy N 82.58 a 18.7 a 15.4 a 1.97 a
Agrocote Blend 82.66 a 18.9 a 15.7 a 1.97 b
Agrocote Straight 79.67 a 18.8 a 14.99 a 1.53 c
LSD (P=.05) 7.15 0.65 1.14 0.16
2013 Harvest Results
Farmacist – delivering practical agronomy solutions
Report of Nitrous oxide gas emissions from Simpson site:
2012-‐13 season Simpson N2O site
• Q232 fallow plant, topdressing applicn • Black cracking clay, 2.4-‐2.9% OC (WB) 3 treatments 1. Standard Urea 95kg N/ha 2. Entec Urea 95kg N/ha 3. CR Urea (Agrocote 38%) 95kg N/ha
Farmacist – delivering practical agronomy solutions
Report of Nitrous oxide gas emissions from Simpson site:
2012-‐13 season Treatment N Rate kg/ha Cumula.ve N
loss N kg/ha/season
Urea 95 5.4
Entec Urea 95 5.3
CR Urea 95 6.1
There were no significant (P=0.05) differences in N2O emissions between N fertiliser forms from the row position on any occasion.