13.4 the use of natural and artificial fertilizers

Question 1

natural organic fertilizers

Answer 1

consist of dead and decaying remains of plants and animals aswell as animal waste

Question 2

artificial inorganic fertilizers

Answer 2

mined from rock then converted into different forms and blended to give the appropriate balance of minerals for a particular crop. compounds containing nitrogen, phosphorous and potassium

Question 3

how fertilizers increase productivity

Answer 3

more nitrate ions means plants develop earlier and as a result increases the rate of photosynthesis and therefore crop productivity