Fall, spring or summer are times when trees can be fertilized.
Specifically, trees are not as needy as edible and ornamental plants for regular fertilizing schedules. But for those who seek fertilizing guidelines, trees benefit from summer fertilizer treatments when they are newly established, recovering from pests, or young or when there is environmental stress, such as prolonged drought. Fall is an effective time for fertilizing when the tree will not flower, fruit or seed until after new spring growth. Spring may be an effective time when the tree flowers before new spring growth.
nitrogen
peat
fertiliser
manure.
Nitrogen is a fertiliser that encourages green growth, but, as it also encourages soft growth it is better used in a balanced fertiliser.
Yes, though often in the form of Ammonia.
If hydrogen was stored onsite at the West Fertiliser factory then that is what the explosion was caused by after the initial fire which led to the hydrogen escape.
Several different ones. Calcite is used as a fertiliser under the name "lime". Various sulphate and phosphate minerals are also used to make fertiliser, such as gypsum (calcium sulphate dihydrite) and fluorapatite (calcium fluorophosphate).
It's called manure.
fertiliser
Fertilisers increase crop yields but cause the problem of eutrophication when they're ... However, if too much fertiliser is used it can pollute water supplies.
commercial fertiliser is fertiliser made by a certain company.