Seed treatments are useful for many vegetable crops for the prevention of damping-off and some other root diseases, as well as eliminating certain diseases carried...
Seedlings must be irrigated and fertigated with micro sprinklers which are linked to a timer. A simple swimming pool timer will suffice. In arid conditions...
Plants must be acclimatized to the shock and stress of transplanting into the greenhouse by slowly removing the optimum growing conditions of the nursery. This is...
Most vegetable seedlings are sown in commercial seedlings trays. These trays are made of either polystyrene or hard plastic. The numbers of plugs per tray...
Seedling growth medium fall into two categories. Those used for commercial seedling trays and mixtures used for propagating seedlings directly in the soil. Commercial seedling...
Seedlings must be protected from extreme temperatures. Climates that vary from very cold to very hot and also from very dry to waterlogged conditions are...
Proportioner systems Open hydroponic systems lend themselves to two different automation systems i.e. proportioner and injector systems. First let look at what a proportioner does....
Most automated systems installed in closed hydroponic systems use injectors rather than proportioners. A simplified diagram of where to install such a system is provided...