1 Handling Precision Farming All data are based on the xml data of the Precision Farming mod from the Modhub (V 1.0.0.0). The mod also implements its own handling information in the help section of the game, which can be reached via the Esc menu. Overview Precision Farming [ENG] V1.0 2 Soil types and pH The arable land must be examined in advance with the soil measuring device. These data are no longer valid after 6 harvests and must be measured again. Loamy sand Sandy loam Loam Silty clay [soiltype 1] [soiltype 2] [soiltype 3] [soiltype 4] Yield potential 0,8 1,0 1,25 0,9 Base pH 5,5 – 5,875 6,0 – 6,375 5,875 – 6,25 6,125 – 6,5 Optimum pH 6,0 6,5 6,75 7,0 Reduction pH / 0,125 0,125 0,25 0,25 Harvest The base game uses the following values: • 3240l/ha or 3888 kg/ha lime (pH +0.555 [700kg / pH +0.1]) Precision Farming uses the following values: • 730 l/ha or 875 kg/ha lime for a pH increase of 0.125 Deviation pH 0 0,125 – 0,25 0,375 – 0,5 > 0.625 Representation Perfect Well Ok Bad Effects in case of difference from the optimal pH value Deviation pH Yield factor -2,5 0 -2,375 0 -2,25 0 -2,125 0 -2 0 -1,875 0 -1,75 0 -1,625 0 -1,5 0 -1,375 0 -1,25 0 -1,125 0 -1 0 -0,875 0,2 -0,75 0,4 -0,625 0,6 -0,5 0,8 Overview Precision Farming [ENG] V1.0 3 -0,375 0,9 -0,25 0,95 -0,125 0,975 0 1 0,125 0,975 0,25 0,95 0,375 0,925 0,625 0,875 0,75 0,8 0,875 0,6 1 0,4 1,125 0,2 1,25 0 Soil types and nitrogen content Benchmarks: Target value nitrogen 180 kg N/ha Mineral content 120 kg N/ha Organic content 60 kg N/ha Loamy sand Sandy loam Loam Silty clay [soiltype 1] [soiltype 2] [soiltype 3] [soiltype 4] Base N-value 0 - 40 0 - 40 20 - 40 20 - 40 [kg/ha] Plant requirements for nitrogen content Loamy sand Sandy loam Loam Silty clay Can always [soiltype 1] [soiltype 2] [soiltype 3] [soiltype 4] be fertilized Wheat 140 180 200 160 Reduction by harvesting 140 160 180 160 Barley 120 140 180 120 Reduction by harvesting 100 120 160 100 Oats 80 100 140 100 Reduction by harvesting 60 80 120 80 Canola 140 180 200 160 Reduction by harvesting 140 160 180 160 Corn 120 160 200 180 Reduction by harvesting 100 140 180 140 Grass 160 180 200 200 Yes Reduction by harvesting 140 160 180 180 Sunflowers 60 80 120 80 Reduction by harvesting 40 60 80 60 Soybeans 0 0 0 0 Overview Precision Farming [ENG] V1.0 4 Reduction by harvesting 0 0 0 0 Potatoes 100 120 160 140 Reduction by harvesting 80 100 120 120 Sugarbeet 120 140 180 160 Reduction by harvesting 100 120 140 160 Cotton 80 100 120 100 Reduction by harvesting 60 60 100 80 Poplar 120 160 180 140 Yes Reduction by harvesting 100 120 160 120 Sugarcane 120 160 200 180 Yes Reduction by harvesting 100 140 160 120 Alfalfa 20 40 60 40 Yes Reduction by harvesting 20 40 60 40 Clover 40 60 80 40 Yes Reduction by harvesting 40 60 80 40 Field grass 160 180 200 200 Yes Reduction by harvesting 140 160 180 180 Table 1Nutrient requirements Plants The following plants are immune to overfertilization: • Grass • Soybeans • Potatoes • Sugarbeet • Poplar Fertilization with automatic mode Basic fertilization with manure, manure or fermentation residues [autoAdjustToFruit = false] Before sawing the fruit! Soil type LiquidManure / Manure / Digestate Loamy sand 40 kg N/ha [soiltype 1] Sandy loam 60 kg N/ha [soiltype 2] Loam 80 kg N/ha [soiltype 3] Silty clay 60 kg N/ha [soiltype 4] Table 2Application rate organic fertilizer in auto-mode Unexamined fields are fertilized for liquidmanure, manure or digestate fertilization with a standard setting of 60 kg N/ha! Overview Precision Farming [ENG] V1.0 5 Figure 1Slurry fertilization; field dug; Auto mode Target fertilization on plant requirement [autoAdjustToFruit = true] Soil type Mineral fertilizers / liquid fertilizers Loamy sand 60 kg N/ha [soiltype 1] Sandy loam 80 kg N/ha [soiltype 2] Loam 100 kg N/ha [soiltype 3] Silty clay 80 kg N/ha [soiltype 4] Table 3Application rate mineral. Fertilizer auto mode Mineral and liquid fertilizer application quantity are always adjusted in automatic mode as if one wanted to see wheat on the corresponding area (depending on the soil type), i.e. always the difference of current value to optimal value wheat (depending on the soil type). Unexamined fields are fertilized with mineral or liquid fertilization with a standard setting of 120 kg N/ha! Figure 2Mineral fertilisation; field dug; Auto mode Overview Precision Farming [ENG] V1.0
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