1 year (1 or 2 cycles) in 5 years or 1 crop cycle in 5 crop cycles.
Nematodes: Where nematodes are a problem use catch crops (e.g. Raphanus) in previous intervals.
1 year (1 or 2 cycles) in 5 years or 1 crop cycle in 5 crop cycles.
Nematodes: Where nematodes are a problem use catch crops (e.g. Raphanus) in previous intervals.