AgriYieldz_v2

AgriYieldz: The Wheat Crop Production Estimator AgriYieldz provides information about the historical yield potential of a paddock for every year from 1990 to 2023 (33) years. To estimate potential yield, it uses best available soil information, real rainfall data, and assumes the paddock was sown to wheat, every year. It also assumes no other constraints such as suffering from a lack of nitrogen, or impacts of weeds, disease or frostLineage: AgriYieldz is generated on an 11km2 climate grid, for each soil in the grid. A simulation is performed for each combination of soil and climate. Wheat yields are calculated using soil types from the ASRIS national soil grid of Australia. Historical climate data is provided by the Bureau of Meteorology. Yields from six different cultivars are simulated. Cultivars represent the variations in phenology and cultivar options include Bolac, Braewood, H45, Illabo, Ouyen, Scepter and Sunstate. The simulation assumes wheat was grown every year, for the last 30 years. With the APSIM crop model, management was set so that the crop was grown with unlimited nitrogen and was free from weeds and disease. Two yields are provided, one where frost and heat damage are calculated, and another where these were excluded from the estimate of yield potential.AgriYieldz：小麦作物产量估算器。该工具可提供1990年至2023年（共33年）间某农田地块的历史产量潜力数据。为估算潜在产量，其采用当前可获取的最优土壤数据与实测降雨数据，并默认每年均在该地块种植小麦，同时默认不存在氮素匮乏、杂草、病害或霜冻等其他产量限制因素。 数据集溯源：AgriYieldz基于11平方千米的气候网格生成，针对网格内的每一类土壤开展计算，即针对土壤与气候的每一组组合开展模拟运算。小麦产量基于澳大利亚ASRIS国家土壤网格的土壤类型数据进行核算；历史气候数据由澳大利亚气象局（Bureau of Meteorology）提供。本次模拟共针对6个不同小麦品种开展产量核算，各品种的物候特性存在差异，可选品种包括Bolac、Braewood、H45、Illabo、Ouyen、Scepter及Sunstate。该模拟默认过去30年每年均种植小麦，采用APSIM作物模型（APSIM crop model），并将农田管理方案设置为：小麦种植全程氮素供应充足，且无杂草滋生与病害侵染。本次共提供两类产量数据：一类计入霜冻与热害的影响，另一类则在产量潜力估算中排除上述两类灾害的影响。