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標題: 簡化稻米單位產量調查作業程序的可行性評估(I)
Evaluation of Some Simplified Alternatives to the Protocol of Rice Yield Survey (I)
作者: 林俊隆
關鍵字: 應用研究;Rice Production Survey;農藝;稻米生產量調查;稻米公頃產量調查;坪割調查;分層比例抽樣法;系統抽樣法;穀物乾燥中心;試查;Survey Of Rice Yield-per-hectare;Crop-cutting Survey;Stratified Proportional Sampling;Systematic Sampling;Cereal Drying Center;Pilot Survey

With an aim to cut down the cost of rice production survey, this study plans to assess the estimation accuracy and precision of mean yield-per-hectare as influenced by reducing the number of sample farm-fields of the current crop-cutting protocol, and to evaluate the feasibility of an alternative protocol which is designed to take advantage of the Wet¬ Grain-Buying-System of Cereal Drying Centers. The probability distribution of the yield-per-hectare measurements will be explored via analyzing the retrospective data collected by the crop-cutting protocol in previous years. Thereby the estimation error of the mean yield-per-hectare as a function of the number of sample farm-fields could be established, and the possibility of cutting down survey cost by reducing the number of sample farm-fields could be evaluated. An alternative protocol is devised to estimate the mean yield-per-hectare using the data of weight, moisture content, and/or volume weight of the wet grain-lots delivered to the Drying Centers by the sample farmers, and the corresponding harvested area. The relative efficiency of this alternative to the current crop-cutting protocol will be evaluated by pilot surveys taken in the Changhua rice growing region.
其他識別: 98農科-4.2.1-糧-Z9
Appears in Collections:農藝學系

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