JAMB - Agricultural Science (2021 - No. 55)
Fertile soil is one which
which easily drained
is well aerated
can produce a good harvest of cowpea
contain all essential plant nutrients in suitable proportion
คำอธิบาย
Fertile soil is one which contains all the plant nutrients in the right proportion.
A fertile soil will contain all the major nutrients for basic plant nutrition (e.g nitrogen, phosphorus and potassium), as well as other nutrients needed in smaller quantities (e.g calcium, magnesium, sulfur, ion e.t.c).
A fertile soil will contain all the major nutrients for basic plant nutrition (e.g nitrogen, phosphorus and potassium), as well as other nutrients needed in smaller quantities (e.g calcium, magnesium, sulfur, ion e.t.c).