Nitrate-Nitrogen Leaching from Onion Bed under Furrow and Drip Irrigation Systems
Figure 1
Monthly NO3-N concentration (mg kg−1 soil) in the 0–110 cm soil profile during two onion growing seasons (2006–09) in furrow-irrigated onion field in NM. The horizontal bars represent standard errors of the mean. Each data point is the mean of three replicate soil samples.
