This story highlights just what one remedial foliar application of 1litre/ha of RLF Intellitrace Copper and 1litre/ha Zinc Sulphate can do when sprayed onto a lentil crop with recognised copper deficiency. As can be seen from the images there is a BIG difference in growth and the overall health of the crop. here the product involved, and why it is such an excellent therapy for crops that are nutrient deficient.