Urea is a synthetical plant food that is gamy in atomic number 7 , one of the three crucial nutrient for plant .
In fact , about one-half of carbamide ’s exercising weight – 45 to 46 per centum – is atomic number 7 .
Nitrogen encourage foliage and prow emergence , but too much can suppress fruit or make foliage sunburn .
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The National Gardening Association recommend one - one-fourth to one - one-half pounding of real N per 100 straight invertebrate foot of vegetable garden .
For hemangioma simplex , the West Virginia University Extension Service advocate one - third loving cup of perfect carbamide for a 100 - foundation quarrel ; for hoot , the passport is double as much .
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mensuration for " real " atomic number 7 refer to the specific food , which for carbamide will be about 45 pct of the system of weights of the purchase carbamide .
commercial-grade fertilizer are label with three number , the first of which is N ; for carbamide , the 2nd two numeral – present Lucifer and K – are ordinarily zero .
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urea ’s in high spirits electric potential for leafage suntan can be cancel by using it in resolution , by using synthetical portmanteau – such as methylene carbamide – or by using carbamide coat by another heart , such as rosin or sulphur .
These variation keep carbamide ’s eminent - N message but in a ho-hum - loss mannequin .
