Notes from the Field

Blog

Latest insights from the world of agriculture, fertilizer technologies, and sustainable farming practices.

Foliar Feeding Guide: When, How, and Which Nutrients Work

Foliar feeding is a fast correction tool for moments when root uptake falls short. This guide covers when foliar application makes sense, how to apply it correctly, and which nutrients actually work through the leaf. Foliar is not a replacement for soil nutrition — it is a complement to it.

How to Apply Calcium Nitrate: A Guide to Drip and Foliar Application

Calcium nitrate delivers both calcium and nitrate nitrogen in a single water-soluble fertilizer. This guide explains the correct method for drip and foliar application, the critical compatibility rules, and the mistakes to avoid — from an agronomist's perspective.

Iron Chlorosis (Leaf Yellowing) in Calcareous Soil and the Chelate Solution

If leaves yellow between green veins, the iron is in your soil but the plant cannot take it up. Learn the science, diagnosis and the right chelate type for iron chlorosis in calcareous Mediterranean soils.

Nutrient Management in Saline Soil and High-EC Irrigation Water

Salinity and high EC quietly cut yield across the Mediterranean, arid regions and the MENA area. This guide explains how salinity affects the plant, why EC and pH monitoring is essential, and how to build a nutrition strategy from low-salt-index fertilizers to leaching.

Zinc and Boron Deficiency - Pollination, Fruit Set and the Micronutrient Fix

Flower drop, small leaves, cracked fruit — often the single cause is zinc and boron deficiency. These two micronutrients are the invisible engine of pollination and fruit set. This guide shows you how to diagnose the symptoms, why deficiency is so common in calcareous and dry soils, and how to time the right foliar and soil application.

Blossom End Rot in Tomato: Calcium Deficiency and the Fix

Blossom end rot is one of the most deceptive causes of yield loss in tomato. The problem is usually not a lack of calcium in the soil, but calcium failing to reach the fruit. This guide covers the symptoms, the root cause, and the right calcium feeding approach.

July 7, 2026

Potassium Deficiency: Symptoms, Fruit Quality and the Right Potassium Source

Small fruit, poor color, low brix and short shelf life often point to one missing element: potassium. This guide covers how to diagnose deficiency in the field, what triggers it, and how to select the correct potassium source — always tied to soil analysis and the product label.

May 12, 2026

Plant Biostimulants — The New Era of Agriculture

In the past 10 years, from the European Union to Latin America, one category has placed itself at the center of the modern agricultural conversation: **biostimulants**. While traditional fertilizers answer "how much element did we give the plant?", biostimulants focus on **"how efficiently does t...

May 12, 2026

Tomato Blossom Drop — 5 Causes and Practical Solutions

When a grower walks the field and sees **yellow flowers accumulated under the vine**, they know that part of the season's yield potential has already fallen to the ground. Blossom drop — sometimes called flower abortion — is **one of the most common physiological problems causing yield loss in to...

May 12, 2026

Fertigation — A Step-by-Step Guide to Drip Fertilization

Fertilizer cost is among the three largest expenses in modern agriculture. Yet for most growers, the question — **how much of the applied fertilizer actually reaches the plant?** — remains unanswered.

May 12, 2026

Humic and Fulvic Acid Explained — Soil Benefits and Application

Continuously cultivated soils lose their natural microbial life and organic matter each season. The result: plants struggle to absorb applied fertilizer, water-holding capacity decreases, and root development slows.

May 12, 2026

Balanced Plant Nutrition for Greenhouse Production — A Practical Guide

In greenhouse agriculture, yield depends less on weather and more on the **quality of the fertilization program**. In open fields, rain, wind, and natural organic cycles smooth out imbalances. Under cover, all of that control sits in the grower's hands. This control is an advantage — but managed ...

April 18, 2026

Calcium Deficiency in Plants: Symptoms and Solutions

Learn about calcium deficiency symptoms in plants, its causes, and effective treatment methods. From blossom end rot in tomatoes to bitter pit in apples.

April 18, 2026

What Is NPK Fertilizer? Understanding the Numbers on the Label

NPK fertilizer contains the three essential macronutrients plants need to thrive: Nitrogen, Phosphorus, and Potassium. Learn what the numbers on fertilizer labels mean and how to choose the right ratio for your crops.

April 16, 2026

Manager's Secret

Manager's Secret Nedir? Nasıl Kullanılır? Ne Zaman Kullanılır? Ne İçin Kullanılır?

April 16, 2026

Beslemenin Matematiği

Bitki Beslemenin Temelleri Sitokiyometri EC&pH

April 14, 2026

Uludağ Üniversitesindeydik!

Gençlerle buluştuk!

April 7, 2026

Master 26

Master 26 nedir? Master 26 ne işe yarar?

April 6, 2026

Markka Genetik

Markka Genetik kimdir? Ne zaman kurulmuştur? Neden Markka Genetik'i tercih etmeliyim?

April 6, 2026

VIP K 31

Potasyum bitkide nasıl alınır? Potasyum eksikliği nasıl anlaşılır? VIP K nedir?

April 2, 2026

Magnus

Magnus nedir? Ne için kullanılır? Ne zaman kullanılır?

April 2, 2026

Backbone

Backbone nedir? Ne zaman kullanılır? Ne kadar kullanılır?

March 31, 2026

Liebig’in Minimum Yasası

Bu blog yazısında bitki beslemenin temel faktörleri, Liebig Yasası, antagonistik ve sinerjetik etkiler, elementlerin bitki içerisindeki mobilitesi ele alınmıştır.

March 31, 2026

Çim Saha Gübreleri

Çim saha gübrelerimiz nelerdir? Hangi şartlarda hangi gübreler kullanılır?