關系行為機制模型研究課件(編輯修改稿)
2025-02-25 04:37 本頁面
【文章內容簡介】 r allocation constraints (10): family labor (3), hiring labor (7)– Balance (25):Nutrition and human demand (10)。Farming input (11)。Livestock input (4)– Rotation (2)– Soil erosion (1)Land use in Gezhenyan Village, Zhunger, Inner MongoliaThe policy measure of converting slope field into forest and pasture started Since 2023, with subsidy of 100kg grain and 20Yuan foodfor work per Cropping system and land use Total Flat field Terrace field Slope fieldSown area YieldSown area YieldSown area YieldSown area Yield ha kg/ha ha kg/ha ha kg/ha ha kg/haCorn 6,660 9,250 5,100 3,750Millet 1,819 1,850 1,808Rapeseed 580 660 500Sunflower 885 1,000 836Potato 7,500 7,125 7,725Beans 1,400 1,500 1,300Total Agriculture and farm economy farm type unit Total Farm householdParttime householdhousehold person 21 12 9population person 81 49 32labor person 56 34 22offfarm labor person 14 4 10seasonal offfarm labor person 9 3 6constant offfarm labor person 5 1 4population per household person per household cultivated land ha per household family ine Yuan per household 8,904 9,645 7,998farm ine Yuan per household 5,945 9,018 2,188offfarm ine Yuan per household 2,960 627 5,810ratio of offfarm ine % 33% 7% 73%ratio of livestock ine within farm ine% 66% 69% 51%Prices of agricultural productsmodity farm gate pricesfarm purchase prices modityfarm purchase pricesCorn Wheat Millet Rice Potato Beef Sunflower Fish Rapeseed Vegetable Mutton Compound fertilizer Pork Carbamide Wool 200 Carbon ammonia Goat 240 Corn seed Sheep 140 Hog 800 Soil erosion: EPIC result Soil erosion values derived from EPIC ModelField typeFlat fieldTerraceSlope fieldSlope 0% 5% 10%Maize Millet Sunflower Rapeseed Potato Beans Note: 1)unit is ton results are means of ten years. 2)simulation results are means of ten years.Agriculture and land use system? Croplivestock system: corngoatsheephog.? Corn mainly in flat field for feed and mercial use。 millet in terrace and slope field for staple food。 rapeseed, sunflower in terrace and slope field for mercial use。 potato and beans for selfconsumption.? Field type is most important factor affecting yield.? Level of input and technological choice of various crops correspond to field types.? Soil erosion modulus differ between field types and various crops.Farm economy ? Smallholders: farm households(12) a
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