Lime Trial

By 14 September 2020January 20th, 2021Brookton

Company: Optima & Wilchem

Objective:

  1. Optima lime sand vs HiCal vs AgriCal – does particle size matter?
  2. 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