尾巴
发表于 2025-3-23 12:24:05
Merle L. Blank,Mitchell Robinson,Fred Snydertivation in both irrigated and rain-fed areas. During the 1960s the area under cultivation increased by an average of 3.7 per cent per year and agricultural output increased by only 4.3 per cent per year (between 1960–4 and 1965–9 at constant 1969 prices), with crops increasing at a slightly higher
hazard
发表于 2025-3-23 17:46:30
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吼叫
发表于 2025-3-23 20:27:31
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fatty-streak
发表于 2025-3-23 22:42:04
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Fierce
发表于 2025-3-24 04:48:42
Case Study of Sweden,ditional 40 per cent consists of mountains, moorlands and lakes. Thus only about 3 million hectares, 7 per cent of the total area, is currently used for farming purposes. Because of the northerly location and mountainous topography, most of the areas suitable for agricultural use are in the southern
Harrowing
发表于 2025-3-24 09:11:03
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大方一点
发表于 2025-3-24 12:19:16
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厨房里面
发表于 2025-3-24 15:02:07
Giuliana Gobbi PhD,Marco Vitale MDing this decade. Although the rate of growth of GNP varied from year to year it was generally well above 10 per cent per annum in real terms. In 1971 GNP of Japan amounted to US $243 billion (81,093 billion yen) and per caput national income was US $1874 (629 thousand yen).
paleolithic
发表于 2025-3-24 20:36:24
Adjustment Processes and Issues in Agriculture: An Overview,tries. However, despite the dynamism of modern production technology in farming and the world’s need for more food, agriculture is a declining industry in the sense that its share of total output is falling in all countries, reflecting the fact that the income elasticity of demand for farm products
猛烈责骂
发表于 2025-3-25 01:16:48
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