BiologyMediumHigh School (11–12)Biology in Human Welfare › Microbes in Human WelfareA-LevelIBAP EAPCETBCECECUET UGGUJCET
Created by StemPy LabThe fungal partner of a mycorrhiza takes which nutrient from the soil and passes it to the plant?
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← A sugarcane estate covers 12 hectares. The *Azotobacter* in its soil supplies 30 kg of nitrogen for each hectare. Urea contains 46 per cent nitrogen by mass. What mass of urea would the estate have had to buy to get the same nitrogen?An officer advises rice growers with flooded fields to add cyanobacteria to the water. Which property of the cyanobacteria best explains this advice? →
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