Summary results

  • Yield increase of +8%
  • Increased maturity, earlier defoliation

 

Trial outline

This trial was conducted over a 5 ha area at “Gowangardi” near Breeza in NSW. The trial aim was to evaluate the effectiveness of BioAg bio-stimulants for improving the growth and subsequent yield of irrigated cotton.

sowing and harvesting cotton near tamworth nsw 2012

The Site

The paddock chosen was expected to show deficiencies in zinc and phosphorus, and also exhibit nutrient tie-up as a result of sodic subsoils.

The section of the paddock in which the trial was sited was chosen for its evenness of soil type. Soil tests were taken (0–10 cm and 0–60 cm), indicating very low nitrogen, phosphorus and zinc levels. In addition, the test highlighted sodicity in the surface and subsurface of the soils.

Each trial was designed as a randomised complete block design. Random measurements were taken at 0DAT, 7DAT, 45DAT, Squaring, Flowering, Harvest and soil tests are to be conducted post-harvest.

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