A biological hazard is one originating from an organism that is foreign (in presence or concentration) to the organism being affected. Many biological hazards are associated with food, including certain viruses, parasites, fungi, bacteria, and plant and seafood toxins.hree people crossing the Atlantic in a rowboat face a hazard of drowning... Three hundred people crossing the Atlantic in an ocean liner face the same hazard of drowning... The risk to each individual per crossing is given by the probability of the occurrence of an accident in which he or she drowns...
The best soil mix for your container-grown vegetables is one that is well-drained, well-aerated and has a pH that is close to neutral. Soil-containing or soilless potting mixes offer all of these features.
Then place the plants in the container. When planting in a container with a wide opening, use a spoon to scoop out the potting holes. Place each plant so the top of the rootball is level with the top of the soil.It should sit in the soil in the container no lower and no higher than it did in the pot.lants. Many plants are suitable for growing in terrariums. Low-growing, dense plants are best. Large plants can be used and kept small by pruning. Choose plants for variations in size, texture and color, as well as their adaptability.