Category: Healthy Plants
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An Introduction to Sea minerals
Seawater contains almost every mineral that exists in the world. In Australia, table salt, (sodium chloride) is extracted from it by letting the sun evaporate much of the water in huge flat bays at the coast. As a result, the concentrations of sodium and potash reach high concentrations and crystallise out first. Most of the…
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The Plant Health Pyramid
The plant health pyramid is a framework that explains the links between the health of a plant and its nutrition. It was developed by John Kempf and was presented as a talk in 2021 which can be found on YouTube. It highlights that a plant needs minerals from the soil and complex compounds from the…
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Building Crop Immunity: Understanding the Plant Health Pyramid
Lets explores the Plant Health Pyramid, an approach that helps farmers and agronomists strengthen plant immunity against diseases and insects by carefully managing plant nutrition and soil biology. It combines practical examples, science-based explanations, and key concepts on how balanced nutrition and robust soil ecosystems make plants naturally resilient. Why Focus on Plant Health? Modern…
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The Real Costs of Using Cloth and Stones in Wicking Boxes and Beds
Based on two common misconceptions, a common mistake made when making wicking beds and boxes is the use of stones and a sheet of cloth to cover the stones and the reservoir. The costs of doing so are high. Rocks waste space where the soil biology should be, the cloth stops the wicking process, and…
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Build Your Own Shade House with Poly Pipe and Battens
This six metre by four metre shade houses protects against excessive sun, wind, and pests such as insects and possums. A simple structure can be made using materials that can be purchased at any good hardware store. This design minimises waste and time, with an estimated material cost of $500 as of March 2025. Use…
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Known Functions of Sea Minerals
Information sourced and compiled from: Total Dissolved Ions Atomic Symbol Known Functions Composition Sodium Na Helps draw water into cells in e.g. cane, maize, sorghum, 0.77% Chlorine Cl Operates stomata, needed for photosynthesis 5% Potassium K Regulates water and 60 enzymatic reactions 0.25% Aluminium Al Promotes antioxidants 0.1 mg/l Iron Fe Needed to synthesise chlorophyll…