Soil fertility evaluation: soil test calibration and plant analysis 4.1 External and internal nutrient requirements 5. Fertilizer management strategies: nutrient availability and fertilizer use efficiency 5.1 Fertigation and foliar fertilization 5.2 Integrated plant nutrient management (IPNM) 5.3 Variable rate fertilizer technology 6.
The Design and Fabrication of a Manually Operated Single Row Multi - Crops Planter. e) Since timeliness is of extrejne importance in the majority of planting operations, it is desirable that a planter be able to perform these functions accurately at fairly high rates of speed; and f) Uniform soil penetration.