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Soilless cultivation of commonly used substitlis - pine bark

 Last Update: 2021-03-09
 Source: Internet
 Author: User

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2 4 dinitrophenol

2 4 dnph

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(1) source. Wood processing.
(2) The content and characteristics of the substance.
organic
content of 98%, mineral 2%. Among organic matter, the resin was 3.9%, Danning, ligand was 3.3%, starch and phosphorus were 4.4%, hexaestrene was 19.1%, cellulose was 23% and ligand was 46.3%. C/N135,pH4.2～4.5。The proportion of pine bark
0.4, the structural stability and airability are good, and the salt-based exchange is weak. With the development of the timber industry, all countries in the world pay attention to the use of bark, it is a very good horticultural substate, but should pay attention to its chloride should not exceed 0.25%, manganese content should not exceed 200ppm, if exceeded this standard, it is not suitable for horticultural substation.

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