Beyond potatoes and poo: Scientists explore new options for Martian agriculture

Unfortunately, Mars's soil contains perchlorate salts that are toxic to plants, making it difficult to grow food

from The News International - Sci-Tech https://ift.tt/OJeTm3b
Unfortunately, Mars's soil contains perchlorate salts that are toxic to plants, making it difficult to grow food https://ift.tt/Qx4WTcd