In agricultural production, many farmers instinctively apply nitrogen, compound fertilizers, or urea when crops show poor growth. However, if the real problem is calcium deficiency, adding more nitrogen will not solve the issue – and may even worsen it.

Calcium is not just an essential nutrient for normal plant development; it is a cornerstone of crop quality, stress tolerance, and final yield. In recent years, due to highyield cropping systems, longterm imbalanced application of nitrogen and potassium, and frequent heat and drought stress, calcium deficiency has become increasingly common across many crops, leading to significant production losses.

Calcium – The “Building Material” for Healthy Plant Growth

Calcium (Ca) is an essential secondary nutrient and a critical component of plant cell walls – acting as the “skeleton” of plant cells.

Adequate calcium supply helps crops to:

· Promote rapid growth of young roots and new shoots;

· Strengthen cell walls, resulting in sturdier plants;

· Improve resistance to drought, heat, and lodging;

· Enhance flowering, pollination, and fruit set;

· Increase fruit firmness and reduce cracking and transport damage;

· Improve overall crop quality and market value.

Because calcium has limited mobility within the plant, young growing tissues are the first to show deficiency symptoms when supply is insufficient.

Common Symptoms of Calcium Deficiency in Crops

Symptoms vary slightly between species, but generally include:

1. Abnormal New Growth

· Leaf curling and crinkling

· Tip and margin necrosis (burn)

· Stunted growth

· Deformed new leaves

Since calcium cannot be translocated from older to younger leaves, these symptoms typically appear first at the top of the plant.

2. Poor Root Development

· Root tip growth stops

· Reduced root hairs

· Slow development of new roots

· Declining nutrient uptake capacity

Weakened root systems lead to overall poor plant vigor.

3. Reduced Flower and Fruit Quality

· Flower and fruit drop

· Low fruit set

· Smaller fruits

· Increased fruit cracking

· Thinner peel

· Poor storage and transport performance

For cash crops, this often translates directly into yield and income losses.

Calcium Deficiency Also Triggers Physiological Disorders

Insufficient calcium not only affects growth but also induces a range of physiological disorders, such as:

· Blossomend rot in tomatoes and peppers

· Tipburn in lettuce and cabbage

· Bitter pit in apples

· Cracking in grapes and watermelons

Moreover, weakened cell walls make plants more susceptible to pathogen invasion, increasing the risk of root rot, stem rot, and other diseases.

Why Does Calcium Deficiency Occur Even When Soil Contains Calcium?

Many farmers ask: “I’ve already applied fertilizer – why are my crops still deficient?”

In reality, calcium uptake is influenced by multiple factors:

· High temperatures and drought inhibit uptake;

· Prolonged rain or high humidity impairs transport;

· Damaged roots reduce absorption capacity;

· Excessive potassium, magnesium, or ammoniumnitrogen interferes with calcium uptake;

· Rapid growth phases create sudden high calcium demand.

Thus, relying solely on soilapplied calcium often fails to meet crop needs during critical growth stages.

Foliar Calcium Application – Fast, Efficient, and Safe

Compared with soil application, foliar calcium spraying offers clear advantages:

· Direct absorption through leaves for faster results;

· Rapid relief of calcium deficiency symptoms;

· Improved calcium supply to new leaves, growing points, and young fruits;

· Reduced nutrient loss and higher utilization efficiency;

· Effective even under high temperature, drought, or impaired root uptake.

Timely foliar calcium application is especially important before flowering, during fruit set, and in periods of rapid vegetative growth.

Introducing EAGROWFETI® – HighConcentration Calcium + Nitrogen Liquid Foliar Fertilizer

To help growers scientifically supplement calcium, AGROFEAST proudly introduces EAGROWFETI®, a new liquid foliar fertilizer.

Product Features:
✔ High calcium ion content (Ca²⁺ ≥160 g/L) – rapidly supplies readily available calcium to support healthy new growth, roots, and fruits.
✔ Efficient nitrogen source (N ≥110 g/L) – promotes dark green foliage, vigorous growth, and enhanced photosynthesis, providing sustained nutrition.
✔ Contains essential micronutrients – supports balanced plant nutrition and improves fertilizer efficiency.

What Can EAGROWFETI® Do for Your Crops?

Application of EAGROWFETI® helps crops to:

· Quickly alleviate calcium deficiency symptoms;

· Promote healthy development of new roots, shoots, and young leaves;

· Enhance plant vigor and stress tolerance;

· Improve flowering, pollination, and fruit set rates;

· Reduce physiological disorders such as cracking, blossomend rot, and tipburn;

· Improve fruit firmness, color, and marketable quality.

Suitable Crops

EAGROWFETI® is suitable for a wide range of cash crops and field crops – essentially any crop that benefits from balanced nutrition.

Scientific Calcium Supplementation for Higher Yields

Healthy crops depend on balanced nutrition.

When symptoms such as leaf malformation, stunted growth, fruit cracking, blossomend rot, or poor fruit set appear – take a closer look. Calcium deficiency may be the hidden culprit.

With its scientifically balanced formulation of highconcentration calcium, efficient nitrogen, and essential micronutrients, EAGROWFETI® provides fast, efficient, and comprehensive nutritional support – helping crops grow stronger, yield more, and deliver better returns.

AGROFEAST creates an easy lifestyle.

EAGROWFETI® – Powerful Calcium Nutrition for Stronger Crops, Better Harvests.