Foliar Spraying or Irrigation? Application Methods for Calcium-Based Secondary Macronutrient Fertilizers

small farmer  2025-08-11 14:20:05   2  6 Like

Foliar Spraying or Irrigation? Application Methods for Calcium-Based Secondary Macronutrient Fertilizers

1、Different cultivation systems and foliar application of calcium

Results showed that the greenhouse cultivation system with calcium carbonate foliar spraying produced the highest amount of shoot and root fresh mass in plants. Additionally, foliar...

Different cultivation systems and foliar application of calcium

2、Effects of Foliar Fertilization: a Review of Current Status and Future

Spraying of foliar fertilizers is a fast, efficient, and targeted fertilization method, which can be combined with soil fertilization to reduce the use of chemical fertilizer and soil salinity accumulation.

Effects of Foliar Fertilization: a Review of Current Status and Future

3、Foliar Fertilizer Application Technology: Precision Application Guide

This article will comprehensively analyze the core technologies of foliar fertilizer application from basic principles to practical key points, providing scientific guidance for agricultural producers.

Foliar Fertilizer Application Technology: Precision Application Guide

A review: Biogenic synthesis of Ca, Mg, Si nano fertilizers and their

This review investigates the current advancements in biogenic production macronutrient based NPs and their foliar application on crops. They explores the utilization of biological sources, particularly plant extracts, in the creation of macronutrient based nanoparticles.

(PDF) Spraying Technology and Foliar Application Result in a Smooth

Concerning crops, most of these studies were performed using foliar spraying with phosphorus, and potassium, and a few attempts were carried out with foliar fertilizer during the season at...

Foliar Fertilization: Benefits, Application Methods, and Precautions

There are several methods for applying foliar fertilizers, each with its advantages and considerations: Spraying: The most common method involves using a sprayer to apply the liquid fertilizer as a fine mist onto the plant’s leaves.

Responses of Crops to Foliar Application of Calcium and Potassium

Calcium can be used as a foliar treatment with calcium chloride, calcium nitrate and chelated calcium individually or in combination with other nutrient solutions and growth regulators at different concentrations depending on the source and crop species.

Foliar Application Method for Fertilizers Application

Foliar application is a method of applying fertilizers directly to the leaves of plants. This technique involves spraying a liquid fertilizer solution onto the foliage, allowing the nutrients to be absorbed through the leaf surfaces.

Foliar Spraying of Solanum tuberosum L. with CaCl2 and Ca(NO3)2

Calcium is essential for plants, yet as its mobility is limited, the understanding of the rate of Ca 2+ accumulation and deposition in tissues of tubers, as well as the interactions with other critical nutrients prompted this study.

Ameliorative effect of foliar application of calcium on vegetative

So, foliar absorption is considered the most efficient method to supply secondary macronutrients such as calcium nutrients (Gaussoin et al. 2009). Efficiency of foliar application with Ca depends on the source of Ca and applied dosage.

Calcium-based secondary macronutrient fertilizers are critical for replenishing soil calcium levels, enhancing soil water and nutrient retention, and promoting plant growth. Two primary application methods exist: foliar spraying and irrigation. Below is a detailed overview of these approaches:

1. Foliar Spraying

Foliar spraying involves directly applying calcium-based fertilizers to plant leaves, stems, or roots. This method enables rapid and uniform nutrient delivery to all plant parts, improving fertilizer efficiency. excessive application may scorch leaves and hinder growth. To mitigate risks, adhere to the principle of "smaller doses, more frequent applications" instead of large, single-time doses.

2. Irrigation

Irrigation applies fertilizers through watering systems, targeting plant roots for absorption. Suitable for large-scale agriculture, this method reduces labor costs. overuse can lead to soil salinization, compaction, and reduced water/air permeability. Long-term excess use may also disrupt soil structure.

3. Combined Application

Some calcium fertilizers are formulated for integration with other nutrients (e.g., nitrogen, phosphorus, potassium). Mixing them enhances nutrient synergy and cost-efficiency. improper ratios or compatibility issues between fertilizers may negatively impact plant health. Always follow recommended mixing guidelines.

4. Timing of Application

Optimal timing aligns with peak growth stages:

  • Early growth phases (e.g., seedling stage after spring planting, tillering stage after summer planting) benefit most from calcium supplements.
  • Late growth phases (e.g., pre-harvest maturation) can also boost yields.

5. Dosage

Determine fertilizer amounts based on soil fertility, crop type, and climate. Conduct small-scale trials initially to monitor plant response and soil conditions before scaling up. Soil tests and crop-specific requirements are critical for precision.

6. Application Techniques

Enhance efficiency by combining calcium fertilizers with:

  • Organic fertilizers: Improves stability and nutrient retention.
  • Microbial inoculants: Boosts biological activity and long-term efficacy.
  • Slow-release fertilizers: Ensures sustained nutrient availability.

Effective use of calcium-based fertilizers depends on selecting the right application method (foliar, irrigation, or combined), optimizing timing and dosage, and integrating complementary nutrients. Tailoring practices to specific agricultural contexts ensures maximum yield benefits and soil health.

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