The vineyard soil was subjected to the addition of 0, 30, 60, 90, 180, and 270 mg Zn kg−1, stored in pots in a greenhouse and sown with two maize crops for 35 days.
The vineyard soil was subjected to the addition of 0, 30, 60, 90, 180, and 270 mg Zn kg−1, stored inpots in a greenhouse and sown with two maize crops for 35 days.