Polysulphate Biomass comparisons PolySulphate fertiliser from ICL contains 4 key nutrients: Sulphur, Potassium, Magnesium & Calcium. When applied, these nutrients are readily available to the plant.
Across the trial an application of Polysulphate was made, 1 tramline width wide. From this we have been able to compare biomass difference between the treated and untreated plots. From a quadrat within the plot, all plants (above and below ground) were weighed to produce a biomass weight. The chart above illustrates the findings. We can see from the graph, that the individual species have responded the with the largest increases in biomass, compare to the mixes. Within the mixes, we notices that the dominant brassica species had the best response, which promoted their growth and therefore lead to them smothering out the smaller/lower growing species. At the same time as measuring the biomass, the tissue and root samples have been sent off for analysis, looking at nutrient uptake and carbon sequestration.
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