Chemical products for agriculture; mineral fertilizing products for use in agriculture, horticulture and forestry; fertilizers; fertilizing products; soil conditioning products; products intended for plant nutrition and cultivation (nutritional substances for plants); nutritional substances for plants; Mineral sun-protection products for use in agriculture, horticulture and forestry; magnesium additives for animal and plant nutrition; Magnesium additive to be integrated in foodstuffs for anim...