The C/N ratio

In this item, I explain a carbon rate. Please see "SN ratio" about the carrier wave vs. the noise ratio.

The ratio (mass ratio) of quantity of carbon (C) and the quantity of included in organic matter with the C/N ratio (Carbon to nitrogen ratio) nitrogen (N). I say the carbon rate.

For example, this organic C/N ratio is 10 when 100 g of carbon, nitrogen 10 g are included in a certain organic matter (10 times).

Influence on crops of the C/N ratio

The C/N ratio of the average farm soil is considered to be around 12. As for the C/N ratio, in the case of (in other words, there is much nitrogen) which is smaller than it with about 20 as a boundary and the organic matter resolution due to the microbe, nitrogen is released (mineralization), and if the C/N ratio is big, I am, and nitrogen in the soil is said to be (an existence machine) taken in a microbe. Therefore nitrogen is taken in by a microbe when I give soil the big organic matter of the C/N ratio and available nitrogen of the crops decreases and falls into nitrogen starvation. As nitrogen fixation microbes such as the azotobacter increase in the soil, this becomes hard to happen.

Various organic C/N ratio

Rice straw	60
Chaff	75
Rice bran	23
Wheat straw	90
Broadleaf tree fallen leaves	50-120
Conifer fallen leaves	20-60
Legume	10-17
The bark	100-1300
Sawdust	134-1064
Pruning branch	70
The weed which grew up enough	50
Peat moss	52
Bamboo	280
Palm fiber	48
Cow dung	16
Pig feces	11
Fowl droppings	7
Bean-curd refuse	11
Coffee refuse	23
Seedcake	7
Tea refuse	12
Brewer's grains	11
Shochu refuse	12
Photosynthetic bacteria	80
Mold	13
Filamentous fungus	9
Bacteria, actinomyces	5

It is acquired by "https://ja.wikipedia.org/w/index.php?title=C/N ratio &oldid=57928766"

This article is taken from the Japanese Wikipedia The C/N ratio

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