FIXES FOR NUTRIENT DEFICIENT SOIL
Basic understanding of plant health comes from the soil they grow in. Their nutrition is vital to their health and overall sustainability, so it’s essential for plants to get all of the macronutrients necessary to thrive.
However, there are times we still struggle with a plant mysteriously dying off long before its time. It happens, but this is often indicative of a bigger problem with the nutrients in the soil. If one plant is struggling, others nearby may be too.
One method that has worked for me is specifying what nutrients appear to be lacking and why. It’s obvious that plants need nitrogen, phosphorus, and potassium (commonly known as NPK), but plant health is complex and nutrient deficiencies can stem from many places.
1. NITROGEN
Pale yellow, stunted leaves are a sure sign of nitrogen deficiency. Nitrogen is essential in photosynthesis, cell health, and chlorophyll development. Nitrogen depletion in soil happens when large amounts of carbon are added to the soil, typically after nearby plants decay and die. Microorganisms will use available nitrogen to break down the new carbon source and quickly deplete the nitrogen available to the plant. This stunts the plant’s growth.
To correct a nitrogen deficiency, consider planting nitrogen-rich plants like beans and peas nearby. Adding used and rinsed coffee grounds to the soil to promote nitrogen production. Rinsing the grounds will not affect acid levels of the soil. A plant with plenty of nitrogen available to it will appear leafy green.
2. PHOSPHORUS
Phosphorous ensures healthy cell division, fruiting, and root growth. Similar to nitrogen deficiencies, plants with a lack of phosphorus will struggle to grow. The edges of their leaves may darken to a brown or reddish-purple. Flowers or fruits will not grow. Some contributors to phosphorus deficient soil include cold temperatures, heavy rainfall and acidic soil.
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