種養(yǎng)結(jié)合型循環(huán)農(nóng)業(yè)模式的能物價流的比較研究
發(fā)布時間：2019-06-25 18:49
【摘要】：種養(yǎng)結(jié)合是目前最常見的循環(huán)農(nóng)業(yè)模式,本研究采用實地調(diào)研和實驗相結(jié)合的方法,以蘇南地區(qū)太倉市城廂鎮(zhèn)東林村東林合作農(nóng)場為研究對象,收集了2013～2014年度該農(nóng)場的全部生產(chǎn)經(jīng)營方面的數(shù)據(jù),并將它們折算成相應(yīng)的能量流、物質(zhì)流和價值流來進行統(tǒng)一的分析。重點對3種循環(huán)農(nóng)業(yè)生產(chǎn)系統(tǒng)——秸稈全量還田系統(tǒng)、種養(yǎng)結(jié)合等量有機肥輸入系統(tǒng)、種養(yǎng)結(jié)合足量有機肥輸入系統(tǒng),以秸稈不還田系統(tǒng)為對照,進行比較研究了這4種系統(tǒng)模式的能量流、物質(zhì)流和價值流及關(guān)系。以期為蘇南平原地區(qū)種養(yǎng)結(jié)合循環(huán)農(nóng)業(yè)提供數(shù)據(jù)和理論方面的參考依據(jù)。本研究得出以下幾點結(jié)論：1.秸稈不還田系統(tǒng)(模式1)能量輸入水平為6051.99MJ/畝,其中生物輔助能占5.196%,工業(yè)輔助能占94.804%,能量輸出水平為24378.74MJ/畝,其中經(jīng)濟產(chǎn)量占52.113%,產(chǎn)投比為4.028,循環(huán)指數(shù)為0.052。N、P、K的產(chǎn)投比分別為0.407、0.644、0.683,價值產(chǎn)投比為2.33。2.秸稈全量還田系統(tǒng)(模式2)能量輸入水平為18398.92MJ/畝,其中生物輔助能占68.816%,工業(yè)輔助能占31.184%。能量輸出水平為25511.62MJ/畝,其中經(jīng)濟輸出為51.883%,產(chǎn)投比為1.387,循環(huán)指數(shù)為0.688。N、P、K產(chǎn)投比分別為0.384、0.57、0.502,價值產(chǎn)投比為2.39。3.種養(yǎng)結(jié)合有機肥等量輸入系統(tǒng)(模式3)能量輸入水平為9277.57MJ/畝,其中生物輔助能占38.157%,工業(yè)輔助能占61.843%,能量輸出水平為15160.39MJ/畝,其中經(jīng)濟產(chǎn)量占93.030%。產(chǎn)投比為1.634,循環(huán)指數(shù)為0.382。N、P、K產(chǎn)投比分別為0.473、0.651、0.317,價值產(chǎn)投比為2.97。4.種養(yǎng)結(jié)合有機肥足量輸入系統(tǒng)(模式4)能量輸入水平為14608.13MJ/畝,其中生物輔助能占60.724%,工業(yè)輔助能占39.276%,總能量輸出16007.58MJ/畝,其中經(jīng)濟產(chǎn)量占100%。產(chǎn)投比為1.096,循環(huán)指數(shù)為0.607。N、P、K產(chǎn)投比分別為0.462、0.687、0.276,價值產(chǎn)投比為2.56。綜上,通過四種模式間能量流、物質(zhì)流、價值流的對比,從價值流的分析結(jié)果來看,模式3具有較高的經(jīng)濟效益。從能量流、物質(zhì)流的分析結(jié)果來看,模式4的生態(tài)效益最佳。結(jié)合蘇南地區(qū)的具體情況,未來應(yīng)該重點向生態(tài)效益方向發(fā)展,即應(yīng)當(dāng)增加有機物在輔助能中所占的比重,實現(xiàn)物質(zhì)在循環(huán)系統(tǒng)中的多級利用,使該地區(qū)的生態(tài)效益和經(jīng)濟效益都得到保障。
[Abstract]:Planting and cultivation combination is the most common circular agriculture model at present. This study adopts the method of field investigation and experiment, takes Donglin Village Donglin Cooperative Farm in Chengfang Town, Taicang City, southern Jiangsu as the research object, collects all the production and management data of the farm in 2013 / 2014, and converts them into the corresponding energy flow, material flow and value flow to carry on the unified analysis. The energy flow, material flow and value flow of these four system models were compared and studied in three kinds of circular agricultural production systems, namely, straw total returning system, planting and raising combined with equal amount of organic fertilizer input system, planting and breeding combined with enough organic fertilizer input system, and taking straw non-returning system as control, the energy flow, material flow and value flow of these four system models were compared and studied. In order to provide data and theoretical reference for planting and cultivation combined with circular agriculture in southern Jiangsu plain. This study draws the following conclusions: 1. The energy input level of straw non-return system (mode 1) was 6051.99MJ/ mu, in which the bioassistant energy accounted for 5.196%, the industrial auxiliary energy accounted for 94.804%, and the energy output level was 24378.74MJ/ mu, in which the economic yield accounted for 52.113%, the ratio of output to input was 4.028, the cycle index was 0.052.N, the ratio of output to input of K was 0.407, 0.644, 0.683, and the ratio of value to input was 2.33.2. The energy input level of straw returning system (mode 2) was 18398.92MJ/ mu, in which biological auxiliary energy accounted for 68.816%, industrial auxiliary energy accounted for 31.184%. The energy output level is 25511.62MJ/ mu, in which the economic output is 51.883%, the output / input ratio is 1.387, the cycle index is 0.688.N, the K output / input ratio is 0.384, 0.57, 0.502, and the value / input ratio is 2.39.3. The energy input level of the equal input system of planting and raising organic fertilizer (mode 3) was 9277.57MJ/ mu, in which the biological auxiliary energy accounted for 38.157%, the industrial auxiliary energy accounted for 61.843%, and the energy output level was 15160.39MJ/ mu, in which the economic yield accounted for 93.030%. The ratio of output to input is 1.634, the cycle index is 0.382.N, the ratio of output to input of K is 0.473, 0.651, 0.317, and the ratio of value to input is 2.97.4. The energy input level of the sufficient input system of planting and raising organic fertilizer (mode 4) was 14608.13MJ/ mu, in which the biological auxiliary energy accounted for 60.724%, the industrial auxiliary energy accounted for 39.276%, and the total energy output 16007.58MJ/ mu, in which the economic yield accounted for 100%. The ratio of output to input is 1.096, the cycle index is 0.607.N, the ratio of output to input of K is 0.462, 0.687, 0.276, and the ratio of value to input is 2.56. In summary, through the comparison of energy flow, material flow and value flow among the four models, from the analysis results of value flow, mode 3 has higher economic benefits. From the analysis results of energy flow and material flow, the ecological benefit of mode 4 is the best. Combined with the specific situation of southern Jiangsu Province, we should focus on the development of ecological benefits in the future, that is, we should increase the proportion of organic matter in auxiliary energy, realize the multi-stage utilization of substances in the circulation system, so that the ecological and economic benefits of this area should be guaranteed.
【學(xué)位授予單位】：揚州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：F323.22;F259.2
本文編號：2505918
[Abstract]:Planting and cultivation combination is the most common circular agriculture model at present. This study adopts the method of field investigation and experiment, takes Donglin Village Donglin Cooperative Farm in Chengfang Town, Taicang City, southern Jiangsu as the research object, collects all the production and management data of the farm in 2013 / 2014, and converts them into the corresponding energy flow, material flow and value flow to carry on the unified analysis. The energy flow, material flow and value flow of these four system models were compared and studied in three kinds of circular agricultural production systems, namely, straw total returning system, planting and raising combined with equal amount of organic fertilizer input system, planting and breeding combined with enough organic fertilizer input system, and taking straw non-returning system as control, the energy flow, material flow and value flow of these four system models were compared and studied. In order to provide data and theoretical reference for planting and cultivation combined with circular agriculture in southern Jiangsu plain. This study draws the following conclusions: 1. The energy input level of straw non-return system (mode 1) was 6051.99MJ/ mu, in which the bioassistant energy accounted for 5.196%, the industrial auxiliary energy accounted for 94.804%, and the energy output level was 24378.74MJ/ mu, in which the economic yield accounted for 52.113%, the ratio of output to input was 4.028, the cycle index was 0.052.N, the ratio of output to input of K was 0.407, 0.644, 0.683, and the ratio of value to input was 2.33.2. The energy input level of straw returning system (mode 2) was 18398.92MJ/ mu, in which biological auxiliary energy accounted for 68.816%, industrial auxiliary energy accounted for 31.184%. The energy output level is 25511.62MJ/ mu, in which the economic output is 51.883%, the output / input ratio is 1.387, the cycle index is 0.688.N, the K output / input ratio is 0.384, 0.57, 0.502, and the value / input ratio is 2.39.3. The energy input level of the equal input system of planting and raising organic fertilizer (mode 3) was 9277.57MJ/ mu, in which the biological auxiliary energy accounted for 38.157%, the industrial auxiliary energy accounted for 61.843%, and the energy output level was 15160.39MJ/ mu, in which the economic yield accounted for 93.030%. The ratio of output to input is 1.634, the cycle index is 0.382.N, the ratio of output to input of K is 0.473, 0.651, 0.317, and the ratio of value to input is 2.97.4. The energy input level of the sufficient input system of planting and raising organic fertilizer (mode 4) was 14608.13MJ/ mu, in which the biological auxiliary energy accounted for 60.724%, the industrial auxiliary energy accounted for 39.276%, and the total energy output 16007.58MJ/ mu, in which the economic yield accounted for 100%. The ratio of output to input is 1.096, the cycle index is 0.607.N, the ratio of output to input of K is 0.462, 0.687, 0.276, and the ratio of value to input is 2.56. In summary, through the comparison of energy flow, material flow and value flow among the four models, from the analysis results of value flow, mode 3 has higher economic benefits. From the analysis results of energy flow and material flow, the ecological benefit of mode 4 is the best. Combined with the specific situation of southern Jiangsu Province, we should focus on the development of ecological benefits in the future, that is, we should increase the proportion of organic matter in auxiliary energy, realize the multi-stage utilization of substances in the circulation system, so that the ecological and economic benefits of this area should be guaranteed.
【學(xué)位授予單位】：揚州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：F323.22;F259.2
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