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PLANT POTENTIAL Understand your plant
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Growers Guide

Artikelen

  • LOCOMOS monitoring stations installed among corn plants and in a blueberry field in Michigan.

    What Should You Measure? A Practical Monitoring Guide for Home Growers

    · Maarten Casteleijn

    A practical guide to choosing useful plant measurements, keeping a baseline and testing changes. Compare routines for ordinary pots, fertilised substrates and recirculating hydroponics without...

  • Coiled irrigation hose suspended from an overhead rail among hanging baskets and flowering plants in a greenhouse.

    Water Quality for Plants: More Than pH and EC

    · Maarten Casteleijn

    Water quality involves more than pH and EC. Learn how alkalinity, mineral composition, temperature, oxygen, storage and hygiene affect the path from water source to...

  • Closely grouped potted plants beside a greenhouse window, with a small digital sensor and overlaid arrows illustrating airflow and transpiration.

    Why Plants Are Happier Together

    · Maarten Casteleijn

    Plants do more than respond to their environment: they change it. Discover how neighbouring plants influence humidity, temperature, airflow and VPD, and why a balanced...

  • Two pepper leaves side by side, with mottled yellow-green tissue on the left and a more uniformly green leaf on the right.

    Before You Add Anything, Learn to Read the Plant

    · Maarten Casteleijn

    Yellowing, mottling and distorted growth can have several causes. Learn how crop history, irrigation checks, root-zone conditions, symptom patterns and targeted testing can help you...

  • Olive-brown seaweed with oval air bladders draped over coastal rocks beside a tidal pool.

    Seaweed Extracts: What Does Science Actually Say?

    · Maarten Casteleijn

    Seaweed extracts can influence plant growth, nutrient uptake and stress responses, but their effects depend on the species, extraction method and growing conditions. Explore what...

  • Potted plant beside grains, chopped plant material, fresh leaves and a bottle labelled Organic Plant Feed on a greenhouse workbench.

    Plants for Plants: What Is Organic Plant Feed?

    · Maarten Casteleijn

    What can plant-derived feeds add to a feeding programme? Explore organic nutrient sources, mineralisation and microbial activity, why EC tells only part of the story,...

  • Illustration of a cannabis plant in a terracotta pot with a small adhesive plaster wrapped around its stem.

    Iodine in Plants: Essential or Beneficial?

    · Maarten Casteleijn

    Research links iodine to plant proteins and beneficial responses in some crops, but universal essentiality remains unresolved. Examine the evidence from Arabidopsis, tomato, pepper and...

  • Cannabis plant on a laboratory bench beside mineral samples, with a magnifying glass showing a leaf's veins.

    Essential and Beneficial Elements: What Do Plants Actually Need?

    · Maarten Casteleijn

    Plants require 17 recognised essential elements, but some additional elements can help under particular conditions. Learn why detecting an element does not establish a nutritional...

  • Conceptual illustration of humic, fulvic and MCT fractions beside plant roots, with nutrient symbols and arrows.

    Humus- en fulvinezuren: wat doen ze en waar past MCT erin?

    · Maarten Casteleijn

    Waarom koolstofmoleculen van verschillende groottes in plantenvoeding niet allemaal hetzelfde doen

  • Illustration comparing a drooping plant with sparse roots and a green plant with a larger root system, with nutrient symbols and uptake arrows.

    Meer mest, minder opname? De wortels bepalen

    · Maarten Casteleijn

    Meer meststoffen geven helpt niet als de wortels ze onvoldoende kunnen opnemen. Lees hoe wortelgroei, zuurstof, water, pH en EC bepalen wat je plant kan...