LaMotte Model AM-32 Soil Test Kit
Provides four individual modules of test equipment covering nine test factors important in plant nutrition. Module A: calcium and chlorides. Module B: ammonia and nitrite nitrogen. Module C: magnesium and manganese. Module D: iron, aluminum, and sulfate. Reagents provided for making 50 tests on each factor. Results: ppm. Soil science handbook and complete instructions included. All materials supplied in lightweight carrying case.