NZ Scholarship Agricultural And Horticultural Science Practice Questions - New Zealand Scholarship Agricultural And Horticultural Science Assessment Exam

It lowers soil pH, making heavy metals more soluble for plant uptake It raises soil pH, reducing toxic aluminum/manganese availability and increasing phosphorus and molybdenum availability It acts as a synthetic nitrogen compound that directly feeds soil nitrifying bacteria It seals the soil surface to prevent water evaporation during summer dry spells