Title
Evaluation of three universal extractants: Evaluation of Three Universal Extractants for the Determination of P, NO3 and K in S,Used
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The main problem in the use of single extraction methods lies in the lack of uniformity in the different procedures used. In consequence, the results obtained are operationally designed depending on the experimental conditions used (type and concentration of extracting agent, soil mass to volume ratio, shaking time and speed of shaking). Soils are highly variable and complex and developing single extraction method specific to the soil of interest makes the job expensive and time consuming. Therefore developing a universal extractant that does an acceptable job of accuracy in identifying plant available nutrient is required.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.