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urea as a bulked biodegradable fertilizer

Publish Date 2015-04-27
A new controlled-release fertilizer was prepared by puffing industrial and agricultural offal such as deteriorated corn,bottom oil,which can not cause secondary pollution.The experimental results showed that 85% of pure urea was dissolved in soil after 20 hours,whereas 1.3% and 0.8% of urea were released from the biodegradable controlled-release fertilizers containing urea 81.5% and 40.9% respectively after the same time.The releasing rate with respect to pure urea was 1/65.38 and 1/106.25.

urea as a bulked biodegradable fertilizer
urea as a bulked biodegradable fertilizer
urea as a bulked biodegradable fertilizer
urea as a bulked biodegradable fertilizer

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