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Plant analysis

BASIC PRINCIPLES OF PLANT ANALYSIS

Each plant contains a certain concentration of nutrients necessary for normal development and growth. Plants need macronutrients (nitrogen, phosphorus, potassium) in large quantities, mesoelements (calcium, magnesium, sulfur) in medium quantities and microelements (zinc, manganese, copper, iron, boron and molybdenum) in small quantities. The plant receives all nutrients from the soil and mineral fertilizers. Other elements that crops need – hydrogen, oxygen, carbon – come from water and the atmosphere.

WHY PLANT ANALYSIS IS NEEDED

The main objectives of plant material diagnostics:

  • determining the concentration of essential nutrients necessary for plant development;
  • in case of external signs of deficiency – determination of which nutrient is deficient;
  • monitoring the level of nutrient supply of plants to achieve the planned yield.

WHO NEEDS PLANTS ANALYSIS

Most farmers and agronomists use plant material analysis data to understand which nutrients in a plant are deficient or in excess of the optimal concentration required for normal plant growth.

 

CAUSES DEFICIENCY / EXCESS OF NUTRIENTS IN PLANTS

In most cases, deficiency or excess of nutrients occurs due to:

  • poor culture of agriculture;
  • excessive intake of nutrients;
  • non-compliance of soil analysis recommendations.

 

High phosphorus can cause zinc deficiency for crops that are sensitive to it, such as corn. Large amounts of potassium can cause magnesium deficiency if it low in soil.

 

WHAT DOES THE PLANT DIAGNOSTICS CONSIST OF

Analysis of plants includes determining the total concentration of the following elements:

Nitrogen,%

Phosphorus,%

Potassium,%

Calcium,%

Magnesium,%

Sulfur,%

Zinc, ppm

Manganese, ppm

Iron, ppm

Copper, ppm

Borum, ppm

Molybdenum, ppm

 

Only a comprehensive solution, namely the timely analysis of soil in conjunction with the analysis of plants will help you avoid a deficiency or excess of nutrients and get the planned yield.

 

GENERAL RECOMMENDATIONS FOR PLANT SAMPLES SELECTION

 

WHERE TO SELECT

 

Paper envelope, or any other paper container – ideal for transferring plant samples to the laboratory

Selected samples should be delivered to the laboratory for analysis as soon as possible

DO NOT place plant samples in plastic containers or in containers with ZIP locks

 

WHEN TO SELECT

 

The optimal time / stage for plant selection is flowering stage

 

Plant analysis. Main principles

An example of the results of the analysis of plants

An example of the analysis of the leaves of blueberries

Ordering sheet for plant analysis

Nutrient defeciency of elements

Diagram of sampling for the analysis of plants

Plant sampling recommendations for analysis

Potato order sheet

Scheme of potato’s sampling on nitrate analysis

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