Staff will do a better job if they can move about freely and concentrtae on the primary activity. This is particularly true for spraying. Width of plant beds and benches Wide plant beds or benches should be avoided. It makes it difficult to tend and monitor plants. Also good coverage by pesticides is more difficult.
Air movement can also be poor.
More plants does not always mean higher production. Choose a plant densuty that will allow optimum quality and production. High plant density can make it difficult to get good spray coverage and reduces air circulation increasing the risk from disease. Widely spaced plants are less disturbed and damaged by cultural operations and this helps reduce both the distribution of fungal spores and sites for infection. Air circulation Plan the internal layout for efficient air circulation to al parts of the greenhouse.