The emerging innovation-intensive sector of urban farming is seeing heightened interest by venture capitalists, investments are growing faster than the crops: $2.4 billion so far this year at last count by PitchBook. That reflects a year over year (YoY) investment growth rate of 214 percent.  The number of individual deals also is rising 14 percent YoY. The sector is expected by many market analysts to capture an increasing share of the nation’s food supply for a number of reasons.