Nitrogen is the most essential food for plant growth.
"Three Acres and Liberty" by Bolton Hall
As the name implies, the proteids, or nitrogenous foods, contain nitrogen; carbohydrates and fats, on the contrary, do not contain nitrogen.
"A Practical Physiology" by Albert F. Blaisdell
Meat, eggs, milk, and other foods rich in nitrogenous elements can be preserved but a short time if exposed to the atmosphere.
"Science in the Kitchen." by Mrs. E. E. Kellogg
These plant foods are nitrogen, potash, and phosphorus.
"The Library of Work and Play: Gardening and Farming." by Ellen Eddy Shaw
It is used in large quantity as a fertilizer, the nitrogen which it contains being a very valuable food for plants.
"An Elementary Study of Chemistry" by William McPherson
Why is it essential that the animal body be supplied with nitrogenous food in the form of proteids?
"Human Foods and Their Nutritive Value" by Harry Snyder
When the food is rich in nitrogenous compounds, the value of the manure is considerably increased.
"Elements of Agricultural Chemistry" by Thomas Anderson
I think, however, that animals could hardly thrive on purely nitrogenous food.
"The Stock-Feeder's Manual" by Charles Alexander Cameron
Many people eat too much nitrogenous food, with resulting plethora or gout.
"Intestinal Ills" by Alcinous Burton Jamison
Much of the nitrogen is present in the form of non-proteid substances of a very low food value.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc." by George Francis Atkinson
Gardeners hold that a grape-border may be too rich in plant-food, especially too rich in nitrogen.
"Manual of American Grape-Growing" by U. P. Hedrick
In addition to supplying essential plant food, nitrogen, phosphorus and potassium perform specific functions in plant growth.
"A Living from the Land" by William B. Duryee
The nitrogenous foods, with the exception of milk, are as a rule eliminated from the nephritic diet.
"Dietetics for Nurses" by Fairfax T. Proudfit
Protoplasm assimilates, along with the other three elements, the nitrogen of the plant's food.
"The Elements of Botany" by Asa Gray
A deficiency of nitrogenous food would also, it seems to me, be an evil.
"Homo-culture" by Martin Luther Holbrook
There are certain compounds containing nitrogen which are indispensable to our food.
"In Search of a Son" by William Shepard Walsh
Of digestible nitrogen substance the food supplied 2.64 lb.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9" by Various
These are generally known as nitrogenous foods, and are very nutritious, but not so easily digestible as meat.
"Man's Place in the Universe" by Alfred R. Wallace
Hence such foods are called nitrogenous foods.
"A Civic Biology" by George William Hunter
Food containing much nitrogen produces little fat, that containing little nitrogen produces a great deal of fat.
"The History of Creation, Vol. I (of 2)" by Ernst Haeckel
Researchers compared the ratio of carbon and nitrogen isotopes in natural food, in human-provided foods, and in blood samples taken from chickadees with normal and deformed beaks .
Engineered to prevent E-coli, salmonella, listeria, BSE and other contaminates of meat and other food products during processing, NitroJet uses a stream of nitrogen to cut, clean, separate and trim meat and vegetables.
A nitrogen-rich chemical used to make plastic and sometimes as a fertilizer may have been deliberately added to an ingredient in pet food that has sickened and killed cats and dogs across the country, public and private officials say.
The answer, surprisingly, is plant food: ammonia, the chemical precursor to nitrogen fertilizers.
Bacteria are everywhere, silently going about their business of breaking down cellulose, fermenting foods or fixing nitrogen in the soil, among a host of other activities.