This tutorial walks you through creating a complete fertilizer recipe from soil analysis to final formulation.

What You’ll Learn

• How to input soil analysis data
• Selecting appropriate target profiles
• Understanding recipe outputs
• Adjusting for real-world conditions

Prerequisites

• Active Hydrogene account
• Soil analysis results (from a lab or field test)
• Basic understanding of plant nutrition

Tutorial Overview

Estimated time: 15 minutes

Scenario: You’re growing tomatoes in a greenhouse and have received soil analysis results from a lab. You need to create a nutrient solution for the vegetative stage.

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Step 1: Prepare Your Data

Gather your soil analysis results. For this tutorial, we’ll use:

Parameter	Value	Unit
pH	6.1	-
EC	0.8	mS/cm
Nitrogen (N)	35	ppm
Phosphorus (P)	25	ppm
Potassium (K)	120	ppm
Calcium (Ca)	80	ppm
Magnesium (Mg)	28	ppm

Step 2: Create a New Project

1. From your dashboard, click + New Project
2. Enter project details:
   • Name: “Greenhouse Tomatoes Tutorial”
   • Growing Method: Soil
   • Location: (Optional) Add for record-keeping
3. Click Create

Step 3: Add Your Water Profile

Before adding soil data, set up your water source:

1. Go to Settings → Water Profiles
2. Click Add Water Source
3. Enter your water test results

Step 4: Input Soil Analysis

1. Navigate to your project
2. Click Add Analysis
3. Select Manual Entry
4. Fill in the values from Step 1
5. Click Save Analysis

Step 5: Generate Recipe

1. Click Calculate Recipe
2. Review the generated recipe
3. Export or save for future reference

Next Steps

Congratulations! You’ve created your first recipe. Continue learning:

• Advanced Calculations - Understand the math
• Water Quality - Optimize for your water source