Hello, @papi.mati, great lecture you have here. Here's my entry;

Question 1) What plants used as green manure can help to transport the magnesium from the deeper layers of the soil?

The plants that can help transport magnesium from the deeper layers of the soil includes:

• Dandelion
• Meadowsweet
• Watercress
• Comfrey
• Field Horsetail
• Mullein
• Parsley
• Peppermint
• Pursley
• Banana Tree
• Small Burnet
• Coltsfoot
• Toadflax
• Carrot
• Pimpernel
• Willow

Question 2) What is the phytosanitary plant? Explain shortly in your words

Phytosanitary plants are plants which gets rid of certain pests or parasites by emitting substances which are not favourable to the pests or parasites. This ability of the plants can be and has been harnessed, in terms of agriculture, to protect some desired plants from their respective pests or parasites. Examples includes, Marigold, white mustard, buckwheat etc.