The reason for this is quite likely the omission of temporary and family workers from the calculations. In peak periods temporary workers easily swamp permanent, and, as mentioned previously, smaller firms operate mostly on the basis of family labour. Even fixed employment seems to have been understated, estimates given in interviews indicating a level of 30,000-35,000. The bigger temporary employment agencies have their own specialized offices for the horticultural sector. Sometimes they compete with each other on wage levels.
Permanent workers benefit from employers' contributions to social insurance.
Man, P. Kooi, and Van Staveren. Some of these have their total acreage split over different farms and locations. The level of employment as given for the suppliers is as in the case for growers an estimate. Probably the figures are somewhat higher. In an earlier part the structure of retail has been given in percentages of market share.