The authors compared pollen samples from 25 nitrogen-fertilised and 25 non-fertilised grasslands in Belgium. They found an average pollen count of 3.6 mg/m2 for the fertilised grasslands – 6.2 ...

The authors compared pollen samples from 25 nitrogen-fertilised and 25 non-fertilised grasslands in Belgium. They found an average pollen count of 3.6 mg/m2 for the fertilised grasslands – 6.2 times ...

This is not a scientific explanation of yolk development into an embryo chick moreover it's a lay observation by me about the size of the membrane coming off the yolk. I sometimes get asked if there's ...