PRIMA HUMUS D.L. is an organic-mineral liquid fertilizer and biostimulant that improves soil quality and fertility. It contains humic compounds and nitrogen from leonardite mineral acids that feed beneficial microorganisms. This helps improve soil structure, aeration, moisture capacity, and activates other fertilizers to reduce usage by up to 50% while increasing crop production, quality, and disease resistance. It can be soil or drip applied before planting at 5-10 L/1000 sqm or 1-3 L/1000 sqm respectively, and contains 6% nitrogen from amidic form and 20% organic and humic compounds.

1. pH (10%): 7,8-8,8
ACTION
PRIMA HUMUS D.L. is a unique Organic-Mineral liquid Fertilizer that acts as Biostimulant and
Soil Activator. It is the perfect combination of ORGANIC-HUMIC compounds and Nitrogen. The
ACIDS this product contains are produced by the natural mineral of LEONARDITE and can
Improves rapidly the soil quality and soil fertility.
Feeds the beneficial microorganisms in soil.
Benefits the soil structure, aeration, moisture water capacity.
Activates, dissolves, utilizes the chemical fertilizers
Reduces the applied fertilizers up to 50%.
Increases crop production.
Improves fruit quality, size, form, color, sugar, flavor, taste.
Grows amazing root system.
Gains early crop.
Intensifies the resistance of plants to diseases.
Dissolves the salts created by the nature of the soil, or by the continual use of
chemical fertilizers.
Regulates the pH of the soil.
APPLICATION
A. Soil application for rapid soil improvement
Application takes place before sowing or
transplanting. Pour or spray the product on soil’s
surface (or use the drip irrigation system). Mix it
with the soil and do the seeding or the
transplanting as usual, either on the same day or
some days afterwards.
Average dosage: 5-10 L / 1000 sq. meters
(50-100 L / Hectare)
B. In drip irrigation system
At any growth stage of the plant, apply through the
drip irrigation. Reply the application every 7-14
days.
Average dosage: 1-3 L / 1000 sq. meters
(10-30 L / Hectare)
CHEMICAL SYNTHESIS: %w/v %w/w
NITROGEN TOTAL (Ν)
AMIDIC FORM 100%
6% 4,6%
ORGANIC & HUMIC
COMPOUNDS
20% 15,4%
PRODUCT USE
Stir well before use. Can be combined with all the chemical fertilisers and the common Insecticides-
Fungicides- Pesticides- Weed killer.  Protect it from high temperatures- above 40 °C.  Avoid places with
direct sunlight for big period of time. The product may decompose.  As soon as the bottle is well closed,
the product is remained unspoiled for a period of 2 years.
DENSE LIQUID
HUMUS
BIOSTIMULANT
Netcontent: 20kg | 17,4L
STIR WELL BEFORE USE
PRODUCTION - PACKING:
LEDRA FERTILIZERS Ltd
GREECE, THESSALONIKI, P.C.57003
Τ. +302310.702347-702369
mail@ledra.gr www.ledragroup.com