Nutrient composition of Peat Substrate 4
This Peat Substrate 4 (PG-MIX 15+10+20- Control 50) is prepared as a mixture of low decomposition degree (H3-H4) with lime material, nutrient elements. The substrate does not contain weed seeds or harmful microorganism. For full cultivation, additional application of fertilizers is required after 3-4 weeks of growing with 7-10 day intervals, in accordance with individual characteristics of plants.
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Amount of fertilizers for this (corresponding to) PG-MIX per 1kg/m3 of peat can be added and varied upon requst of a customer.
Kinds of PG-MIX, dosage and content of nutrient elements in peat substrate (mg/l).| N | NH3-N | NO2-N | P | K | Mg | S | Fe | Mn | Zn | Cu | B | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 180 | 90 | 90 | 53 | 200 | 22 | 66 | 1.1 | 1.9 | 0.5 | 1.8 | 0.36 | 2.4 |
Content of nutrient elements in different kinds of PG-Mix (%).
| N | NH4-N | NO3-N | NO2-N | P | K | Mg | S | Fe | Mn | Zn | Cu | B | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.1 | 1.0 | 5.3 | 8.8 | 4.6 | 16.5 | 1.8 | 5.5 | 0.07 | 0.17 | 0.04 | 0.14 | 0.03 | 0.2 |
This substrate is the most effective for raising flowers and grain-crops which need a higher content of phosphor and require a high content of acid medium. For instance, such as azalea, rhododendron, rhubarb, fern, sorrel, ornamental coniferous plants, lawn grass, etc. The required fertilization is performed in 4-5 weeks.