Yield and content in nitrates, minerals and ascorbic acid of leeks and turnips grown under mineral or organic nitrogen fertilizations.

The influence of mineral NPK fertilizers and organic fertilizers such as manure compost, woodchip compost and blood meal on the yields and the nutritive value of leeks and turnips were compared. Fertilizers were applied on the two crops grown successively in 200-1 containers. Mineral fertilizers, manure compost and blood meal provided equivalent vegetable… CONTINUE READING