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Key Elements for Plant Nutrition

Key Elements for Plant Nutrition

Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...

Short-distance Transport of Resources

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.

Water and Mineral Acquisition

Water and Mineral Acquisition

Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.

The Roles of Bacteria and Fungi in Plant Nutrition

The Roles of Bacteria and Fungi in Plant Nutrition

Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.

Xylem and Transpiration-driven Transport of Resources

Xylem and Transpiration-driven Transport of Resources

The xylem of vascular plants distributes water and dissolved minerals that are taken up by the roots to the rest of the plant. The cells that transport xylem sap are dead upon maturity, and the movement of xylem sap is a passive process.

Phloem and Sugar Transport

Phloem and Sugar Transport

Like many living organisms, plants have tissues that specialize in specific plant functions. For example, shoots are well adapted to rapid growth, while roots are structured to acquire resources efficiently. However, sugar production is primarily restricted to the photosynthetic cells that reside in the leaves of angiosperm plants. Sugar and other resources are transported from photosynthetic tissues to other specialized tissues by a process called translocation.

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Related Experiment Video

Updated: Mar 6, 2026

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Published on: September 1, 2020

Nutrient transport between ryegrass plants differeing in nutrient status.

K Ritz¹, E I Newman¹

¹Department of Botany, University of Bristol, BS8 1UG, Bristol, UK.

|March 18, 2017

Summary

Nutrient transfer between plants, specifically phosphorus, can significantly boost receiver plant growth. However, this inter-plant nutrient sharing likely has a small impact on species competition in natural environments.

Keywords:

Lolium Nitrogen Nutrient transfer Phosphorus

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Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

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An Optimized Rhizobox Protocol to Visualize Root Growth and Responsiveness to Localized Nutrients

An Optimized Rhizobox Protocol to Visualize Root Growth and Responsiveness to Localized Nutrients

Published on: October 22, 2018

Area of Science:

Plant Ecology
Plant Physiology
Nutrient Cycling

Background:

Inter-plant nutrient transfer, particularly nitrogen and phosphorus, is a known phenomenon.
The ecological significance of nutrient transfer amounts on plant growth in field conditions remains unclear.

Purpose of the Study:

To investigate if nutrient transfer between plants influences the growth of Lolium perenne.
To quantify phosphorus transfer rates and compare them to field uptake rates.

Main Methods:

Two Lolium perenne plants were grown together in pots with unfertilized soil.
One 'donor' plant received foliar nutrient application, while the 'receiver' plant received only water.
Growth parameters and nutrient concentrations (N, P, K, Ca, Mg) of receiver plants were measured over 25 weeks.

Main Results:

Receiver plants showed significant increases in leaf number and phosphorus concentration compared to controls.
Nitrogen, potassium, calcium, and magnesium concentrations in receiver plants did not differ significantly.
Observed phosphorus transfer rates aligned with previous studies using radioactive phosphorus (32P).

Conclusions:

Nutrient transfer, especially phosphorus, can enhance the growth of neighboring plants.
The study suggests nutrient transfer could influence interspecific competition in field ecosystems.
The overall impact of nutrient transfer on species balance in the field is predicted to be minor.