Studies that have reported better crop yields when applying REEs Were located in a different province to the treatment. Have a single commonality of low application rates, generally 10 kg of REE applicationĭecreased yield in rice and maize.
That long-term application of some REEs may harm soil and aquaticĮcosystems (Boger et al.
Rambeck and Wehr (2005) point out that these Lethal dose for 50% of the population () for La is similar to Or bioaccumulate along the food chain (Liang et al. In New Zealand, agriculture is dominated by ryegrass-white clover Hence, while toxicity should beĬonfirmed for each REE, their application at low rates to crops is Results are likely to translate to other REEs, since similar chemicalĪnd biochemical behaviour span all REEs. We therefore hypothesised that theĪddition of REEs to soil at low rates (<2 kg ) may benefit With Cd arising from the application of P-fertilisers (Cadmium Working Potential environmental constraints such as the enrichment of topsoils Produce pasture more efficiently, while also being conscious of Pastures, grazed by cattle, red deer and sheep.
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