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Vitis rotundifolia, or muscadine, [1] is a grapevine species native to the southeastern and south-central United States. [2] The growth range extends from Florida to New Jersey coast, and west to eastern Texas and Oklahoma. [3] It has been extensively cultivated since the 16th century. [4]
The scuppernong is a large variety of muscadine (Vitis rotundifolia), [1] a species of grape native to the southern United States. It is usually a greenish or bronze color and is similar in appearance and texture to a white grape, but rounder and larger.
Many muscardines are known for affecting silkworms. [1] Muscardine may also be called calcino. [2] While studying muscardine in silkworms in the 19th century, Agostino Bassi found that the causal agent was a fungus. This was the first demonstration of the germ theory of disease, the first time a microorganism was recognized as an animal ...
A biofertilizer is a substance containing living micro-organisms which, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant. [1]
[29] [30] The first number represents the percentage of nitrogen in the product; the second number, P 2 O 5; the third, K 2 O. Fertilizers do not actually contain P 2 O 5 or K 2 O, but the system is a conventional shorthand for the amount of the phosphorus (P) or potassium (K) in a fertilizer.
The $1.7 billion agricultural business was sold in 2000 to the German chemical giant BASF, raising BASF agricultural sales to $3.6 billion (1999 pro-forma), making it one of the top three agricultural companies in the world. Most of the chemical businesses of American Cyanamid are operated by a spun-off successor company known as Cytec.
Bone meal provides phosphorus and calcium to plants, along with a largely inconsequential amount of nitrogen. [4] The N-P-K rating of bone meal is typically 3–15–0 [5] along with a calcium content of around 12% (18% CaO equiv.), [6] although it can vary quite a bit depending on the source from 1–13–0 to 3–22–0.
More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the mass fraction of nitrogen times 100. The second number ("P value") is the percentage by weight of phosphorus pentoxide P 2 O 5. The third number ("K value") is the equivalent content of potassium oxide K 2 O. [3]
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