Nutrient composition of Peat Substrate 3
This Peat Substrate 3 (PG-MIX 15+10+20) 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 | NH4-N | NO3-N | P | K | Mg | S | Fe | Mn | Zn | Cu | B | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 180 | 78 | 102 | 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 | P | K | Mg | S | Fe | Mn | Zn | Cu | B | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 6.5 | 8.5 | 4.4 | 16.6 | 1.8 | 5.5 | 0.09 | 0.16 | 0.04 | 0.15 | 0.03 | 0.02 |
This substrate is an excellently balanced compound which provides perfectly for even growth and high quality of various crop in need of a minor quantity of potassium during spring period. For instance, such as annual flowers (asters, calendula, sunflowers, marigolds, etc). The substrate is also very effective for raising cucumbers and tomatoes in the hothouses under film. The required fertilization is performed in 4-5 weeks.