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RE: Permaculture - Mineral fertilizers (Lesson 8 + contest)
You will need 10kg/100m2 Calcium Oxide to apply on the soil
The best time to applied the fertilizer is 3 to 4 weeks before planting during falls so the water can help the lime break down by mixing the fertilizer with the soil to a depth of 20cm
Fertilization should be repeat every 2 to 3 years but this decision depends on the soil pH test.
Thank you for participating. How much Marl would it be? 10 kg as well?
You will need 10kg of Marl 50% Calcium Oxide
Unfortunately, it's not true. Marl contains 50% of Calcium Oxide which means the maximum dosage is 20 kg of Marl (the equivalent to 10 kg of pure CaO).
Thank you for participating though, I'm happy to have you here. Hopefully, you will stay in our community for longer - you are very welcomed here.
Thank you very much. I really learnt something today. I’ll definitely try my best in your next contest.