Company: Optima & Wilchem
Objective:
- Optima lime sand vs HiCal vs AgriCal – does particle size matter?
- Placement of products – does application depth & timing matter? Pre-seeding/Post seeding pre-emergent/deep banded at seeding
PADDOCK HISTORY
Lime Application – 25/01/18: HiCal 800kg/ha
Lime Application – 15/2/15: Limesand 2t/ha
PRE-SEEDING
Immediately Pre-Seeding – 12/05/20: ADAMA Spraytop 250 1L/ha; Syngenta Boxer Gold 2.5L/ha; ADAMA Diuron 900 250g/ha; NuFarm TrifurX 2L/ha
SEEDING
Seeding – 12/05/20: Spartacus Barley 70kg/ha; Syngenta Vibrance SD 180mL/100kg; CSBP K-Till Extra 100kg/ha; CSBP Flexi-N 58L/ha
POST SEEDING
Nitrogen Top-up – 01/07/20: CSBP Flexi-N 80L/ha with stream jet nozzles
Soil Profiling – Monitoring Lime Movement
Photos were taken on the 14/09/20
Rainfall since date of application = 176mm *BOM Weather station
#1 – Control
#2 – Lancellin Limesand Broadcast Pre-Seeding 2t/ha
#3 – Lancellin Limesand Broadcast Post-Seeding 2t/ha
#4 – Boranup Limesand Broadcast Pre-Seeding 2t/ha
#5 – Boranup Limesand Broadcast Post-Seeding 2t/ha
#6 – AgriCal Broadcast Pre-Seeding 1t/ha
#7 – AgriCal Broadcast Post-Seeding 1t/ha
#8 – HiCal Broadcast Pre-Seeding 1t/ha
#9 – HiCal Broadcast Post-Seeding 1t/ha
#10 – MacroPrima 5L/ha & Liquid Humate 350mL/ha
#11 – MacroPrima 10L/ha & Liquid Humate 350mL/ha
#12 – AgriCal Broadcast Pre-Seeding 1t/ha; MacroPrima 7L/ha & Liquid Humate 350mL/ha
#13 – HiCal Broadcast Pre-Seeding 1t/ha; MacroPrima 7L/ha & Liquid Humate 350mL/ha
