Organic Fertilisers Flashcards
1
Q
What does organic fertilisers consist of?
A
Fresh/composted plant/animal material= manure/slurry.
2
Q
How are cover crops incorporated and what do they do?
A
Grown, mown, ploughed into soil to decompose = green manure.
Provide nutrients.
3
Q
What are the advantages of organic fertilisers?
A
Cheap/free
High in humus- good for soil structure and water holding capacity
Provide nutrients for soil organisms, promoting living matter in soil
4
Q
What are the disadvantages of organic fertilisers?
A
Need to be broken down into inorganic matter for soil to be able to take up nutrients= time and cost of labour.
Bulky= expensive to transport and spread
5
Q
A
