“At last, the book growers and agronomists were waiting for”. Available exclusively here.

The new edition of the book focuses on plant nutrition and fertilization management practices. All explained in a clear, easy-to-read manner.

View Table of Contents

Fertilization and irrigation are the two most important practices in crop production. They directly affect crop yield and quality. Inadequate plant nutrition or irrigation may reduce yield and profitability. In many cases, it might even cause substantial losses.

The book covers the essentials of plant nutrition and irrigation management. Throughout the 260 pages of the book, the author shares his knowledge on the most important aspects of crop nutrition and irrigation, including:


  • What are the essential plant nutrients, their roles and behavior in soil and water?
  • How to asses the irrigation water quality? Water quality water quality parameters, testing the water, interpreting water analysis.
  • How to test your soil and interpret any soil test report?
  • What are the most important soil properties?
  • Fertigation best practices
  • How to give fertilizer recommendations?
  • What are the best Irrigation scheduling methods ?
  • How to grow in Hydroponics and balance nutrient solutions?
  • Organic fertilization, slow-release fertilizers

And much more…

The book is available in a pdf format that can be downloaded and read offline.

Buy the e-book today and get it directly to your inbox

Now for just $85 $54USD

Don’t miss the opportunity

Buy now for just $49


Buy a hard copy

Additional payment methods? Click here



About the author

Guy Sela

Guy Sela is an internationally recognized and highly influential plant nutrition and irrigation expert.

Mr. Sela spent many years researching and experimenting ways to improve agricultural production. He honed his skills on commercial farming around the world. During his 20 years journey, Mr. Sela worked with thousands of growers and agronomists globally.

Mr. Sela was the founder and CEO of Smart Fertilizer, a unique digital-ag platform for optimizing fertilizer use in agriculture.

Currently, he is the owner and founder of Cropaia and yieldsApp, both agtech ventures. They strive towards developing innovative agriculture solutions and disseminate know-how.

Apart of his activity in the agtech industry, Mr. Sela is an international speaker. He is often invited to share his knowledge at international conferences.

Visit Guy Sela’s Linkedin profile

Guy Sela


Here’s what people are saying about the book:

“It is a worthwhile spending of good money. You won’t regret it.”

Christo Botes, South Africa

“I strongly recommend this book! It is excellent. Mr. Sela was very helpful.

Slobodan Pavlović, Serbia

“Just wanna let everybody know this is a very interesting study book.

Mike Janczura, USA


Buy the e-book today and get it directly to your inbox

Now for just $85 $54 USD

Buy now for just $49


Buy a hard copy

Additional payment methods? Click here


  1. The e-book is available also in a pdf format which can be read offline.
  2. If you would like to get the book using payment methods, other than credit card (Western Union, MoneyGram, Bank transfer), please contact us.


You are donating to : Greennature Foundation

How much would you like to donate?
$10 $20 $30
Would you like to make regular donations? I would like to make donation(s)
How many times would you like this to recur? (including this payment) *
Name *
Last Name *
Email *
Additional Note