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STA Certifications
Compost Classes I, II, and III are all types of compost products that earn a U.S. Composting Council Seal of Testing Assurance (STA). (Class IV composts undergo primary and secondary nutrient testing, but are not STA-certified, and should only be used in agricultural applications.) What does STA certification mean? STA Certification Requirements for Compost Manufacturers…
Nutrients – What Plants Need and Why!
Plants, like other living things need nutrients to keep growing. Most fertilizer packages list three plant nutrients-nitrogen, phosphorus, and potassium (N-P-K, in that order); Nitrogen spurs on leafy growth. With too much nitrogen, some plants will not flower; too little and plants may have pale-green or yellowish older leaves. Phosphorus encourages good blooming and root…
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