Dutch Direct logo – Wholesale Horticulture Supplies
DUTCH DIRECT BLOG · Educational Series

Grower Insights, Technical Guides & Product Education

Explore technical articles, grow media education, fertilizer guidance, irrigation insights, and commercial horticulture resources from Dutch Direct.

Read the Article ↓
View Sources & PDFs

Other News

DD-SITE-shop-banner-ads-vertical-3
DD-SITE-shop-banner-ads-vertical-1

Newsletter

Avatar

How can we help?

Online

Continue on WhatsApp

We'll open WhatsApp to continue the conversation.

Send us a message

We'll call you back

Your request has been received. We'll call you at the number provided shortly.

Callback requested!

Grow Media

Essential NPK’s

Biostimulants

Fertilizer Blends

Liquid NPK

Liquid TE

Supplements

IPM

Powder Organics

Sanitizer / Cleaner

Humidity Control

Hygienic Entrances

Benching Systems

Irrigation / Fertigation

Hydroponic Systems

Ventilation Systems

dutch-direct-pallet-3
megamenu-container-banner-3
Verticillium Calculator

Ingredient Breakdown

Component % g g/L
Verticillium lecanii2.0--
Carrier System88.0--
Biological Co-factors6.0--
Stabilizing Agents4.0--
Rhizophagus Intraradices Calculator

Rhizophagus Calculator

Rhizophagus Analysis

Parameter Value
Active ingredient (%)2.0%
Rhizophagus (g)-
Total spores applied-
Spores per liter-
Spores per plant-

Nutrient Analysis

Component % g PPM
Beeswax extract1.0--
Chitosan1.0--
Amino Acid Complex1.0--
Root Extract1.0--
Lipid Matrix0.6--
Ascorbic Acid1.0--
Thiamine1.0--
Magnesium Drive Calculator
Magnesium Drive Calculator
Nutrient Analysis
Component % g PPM
Magnesium with amino acid complex12.0--
Ammonium Sulphate Calculator

Ammonium Sulphate Calculator

Nutrient Analysis

Component % g PPM
Total Nitrogen21.0--
Ammoniacal Nitrogen21.0--
Sulphur Trioxide60.0--
Sulphur24.0--
Magnesium Sulphate Calculator

Magnesium Sulphate Calculator

Nutrient Analysis

Component % g PPM
Magnesium Oxide16.0--
Magnesium9.6--
Sulphur Trioxide32.0--
Sulphur12.8--
MAP Calculator

MAP Calculator

Nutrient Analysis

Component % g PPM
Total Nitrogen12.0--
Ammoniacal Nitrogen12.0--
Phosphorus Pentoxide61.0--
Surfactant Calculator

SOP Super Slick Calculator

Nutrient Analysis

Component % g PPM
Potassium Oxide51.0--
Potassium42.0--
Sulphur Trioxide45.0--
Sulphur18.0--
MKP Calculator

MKP Calculator

Nutrient Analysis

Component % g PPM
Phosphorus Pentoxide52.0--
Potassium Oxide34.0--
TR-50 Calculator

TR-50 Calculator

Nutrient Analysis

Component % ml PPM
Hydrogen Peroxide49.9--
Rapid Si Calculator

Rapid Si Calculator

Nutrient Analysis

Component % g PPM
Silicon0.8--
Boron0.2--
Copper0.6--
Manganese0.6--
Molybdenum0.1--
Zinc0.6--
pH Up Calculator

pH Up Calculator

Nutrient Analysis

Component % g PPM
Potassium Hydroxide30.0--
Surfactant Calculator

Surfactant Super Slick Calculator

Nutrient Analysis

Component % g PPM
Sulphonated Canola70.0--
Oil of Coriander3.0--
Triethanolamine5.0--
Ascorbic acid2.0--
Potassium Ascorbate8.0--
Trace Element Defense Calculator

Trace Element Defense Calculator

Nutrient Analysis

Component % g PPM
Iron (Fe)1.2--
Boron (B)0.5--
Zinc (Zn)0.5--
Copper (Cu)0.5--
Trace Elements Calculator

Trace Elements Calculator

Nutrient Analysis

Component % g PPM
Manganese (Mn)1.2--
Boron (B)0.6--
Zinc (Zn)0.2--
Potassium Drive Calculator

Potassium Drive Calculator

Nutrient Analysis

Component % g PPM
Potassium Gluconate80--
Potassium Lacto7--
Potassium Amino Chelate5--
Potassium Orotate4--
Potassium Ascorbate4--
Total Potassium Content12--
WS NPK BLOOM Calculator

WS NPK BLOOM Calculator

Nutrient Analysis

Nutrient % g PPM
N1--
P20513--
K2029--
Mg4--
S13--
B0.01--
Cu0.01--
Fe0.2--
Mn0.07--
Mo0.005--
Zn0.02--
WS NPK VEG Calculator

WS NPK VEG Calculator

Nutrient Analysis

Nutrient % g PPM
N4--
P2057--
K2025--
Mg5.6--
S11--
B0.01--
Cu0.01--
Fe0.2--
Mn0.07--
Mo0.005--
Zn0.02--
Calcium Drive Calculator

Calcium Drive Calculator

Nutrient Analysis:

Component Percentage Amount (g) PPM
Calcium Gluconate 40% - -
Calcium Citrate 40% - -
Calcium Glycine 8% - -
Calcium Amino 6% - -
Calcium Malate 4% - -
Calcium Lactate 2% - -
Calcium Nitrate Calculator

Calcium Nitrate Calculator

Nutrient Analysis:

Component Percentage Amount (g) PPM
Total Nitrogen 15.5% - -
Nitric Nitrogen 14.3% - -
Ammoniacal Nitrogen 1.2% - -
Calcium Oxide 26.3% - -
Calcium 18.8% - -
Formula 1 IPM Calculator

IPM Foliar Spray Calculator

Active Ingredients (10.5%):

Component Percentage Amount (ml) PPM
Citric Acid 1.0% - -
Peppermint Oil 4.0% - -
Potassium Sorbate 0.5% - -
Rosemary Oil 3.0% - -
Geraniol 2.0% - -
Fertilizer Calculator Root Drench

Calculator Root Drench

Active Ingredients (12.5%):

Component Percentage Amount (ml) PPM
Rosemary Oil 8.0% - -
Corn Oil 2.0% - -
Citric Acid 1.0% - -
Thyme Oil 0.5% - -
Clove Oil 0.5% - -
Cinnamon Oil 0.5% - -