Project objectives from proposal:
Two local farms will work with campus staff to evaluate implementation protocols for the ISNT and the CSNT and develop a more farmer-friendly approach to assessing performance for whole farm N fertilizer and manure use decision making. Each farm team will compare targeted (some fields only) and whole farm (all fields) approaches to evaluate the effectiveness of the tool package in reducing risk of both over and under fertilization (i.e. in generating confidence that changes can be made). Each farm team together with the NMSP staff will conduct a cost/benefit analysis of different protocol approaches. The analysis will compare the cost of implementation, using both old and newly-adapted sampling and implementation strategies, to the fertilizer saving benefits realized using the information provided by the tests. The results of the three practicality studies will provide the guidance needed to develop a new sampling protocol that requires less labor but is still accurate and will allow greater adoption by other farms.