Question

question 4
what are the negative consequences of organic farming?
leaching nitrate into groundwater from composted manure
largescale composting creates methane and nitrous oxide
low crop yield
all of the above

Explanation:

Composted manure in organic farming can leach nitrate into groundwater. Largescale composting can produce methane and nitrous oxide, which are greenhouse - gases. Also, organic farming often has lower crop yields compared to conventional farming with synthetic inputs.

Answer:

D. All of the above