horizontal distribution of nematodes, it is critical to take several composite soil samples from each field or production unit. Obviously, the higher number of soil samples taken per field, the higher accuracy will be obtained in assessing the nematode...
from these sections. A minimum of 4 composite samples is suggested per production unit, preferably < 2 to 3 acres per sample. Plant-parasitic nematodes are unevenly distributed in infested fields and particularly during the early years after...