永久
发表于 2025-3-27 00:31:32
An Information System for Agricultural Productivity the productivity of a given area in relation to its natural resources in order to highlight the effects of human activity from both an agricultural and an environmental point of view..The methodology used comprises two main steps:.The integration of data bank and crop modeling leads to a methodolog
蚊帐
发表于 2025-3-27 02:29:17
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财主
发表于 2025-3-27 06:41:03
Iowa, USA: An Agricultural Policy Analysispply of agricultural commodities and an econometric portion that simulates the price impacts..Three different policies on resource options are examined. The first and second options restrict the activities placed on the land to 20 and 10 t/ha, respectively. The final alternative restricts nitrogen a
不满分子
发表于 2025-3-27 09:45:29
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薄膜
发表于 2025-3-27 17:25:23
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开花期女
发表于 2025-3-27 19:48:42
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Resistance
发表于 2025-3-28 01:14:40
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反感
发表于 2025-3-28 02:42:08
Bangladesh: Agriculture, Biomass, and Environmentcial for a low-income country with high population density. The society depends on the biomass for food, fodder, fuel, fertilizer (organic), and fiber. If the conflicting demands on this biomass resource are not balanced, environmental problems, such as deforestation and loss of soil fertility, are
Delirium
发表于 2025-3-28 09:34:43
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疏远天际
发表于 2025-3-28 11:46:20
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