Fertilizer
Organic and chemical · N, P and K · Soil fertility
Define fertilizer
Distinguish organic from chemical fertilizer
State the importance and deficiency effects of N, P and K
Weigh the advantages and disadvantages of chemical fertilizer
17 elements in all are needed to complete the life cycle
Primary nutrients: N, P and K, in large amounts
Secondary nutrients: Ca, Mg, S, B, Fe, Zn and more, in small amounts
A shortage cuts growth and yield
🔐
The notes are free to read in full.
Create free account Sign in