An innovative grower in the county has received a major £38 million investment which will allow it to upgrade its facilities so it can produce a staggering 1.4 million bags of salad every week. Vertical farm GrowUp – which uses stacked shelves on which to grow its crops to increase capacity and dramatically reduce water consumption – has started converting a five-acre site within the Discovery Park complex in Sandwich into the equivalent of 1,000 acres of grade-one farmland. Now the company behind it has received a £38m cash injection from investment firm Generate Capital. The cash will be use…