3. Cultivation trial Cultivation trial (Experiment for cultivation techniques) Multiple factors considered planting date planting desity fertilizer application(N, P,K and others) other technical factors Experimental designs Multi-factor designs(Randomized complete block design, split-block design, latin square design,...) Replications=3 or more• Cultivation trial (Experiment for cultivation techniques) Multiple factors considered: planting date planting desity fertilizer application (N, P, K and others) other technical factors • Experimental designs Multi-factor designs (Randomized complete block design, split-block design, latin square design, … …) Replications = 3 or more 3. Cultivation Trial