Time of sampling The amount of nutrients which can be extracted from the soil varies markedly during the season as a result of plant accumulation, decomposition and changes in soil moisture.
(nutrients; can be extracted; from the soil) (Time of sampling The amount of nutrients; varies markedly; T:during the season; as a result of plant accumulation, decomposition and changes in soil moisture)
nutrients Time of sampling The amount of nutrients
can be extracted varies markedly
from the soil
T:during the season as a result of plant accumulation, decomposition and changes in soil moisture