GORGE
发表于 2025-3-25 09:35:00
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呼吸
发表于 2025-3-25 13:42:52
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有斑点
发表于 2025-3-25 17:27:18
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不能约
发表于 2025-3-25 22:47:15
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wangle
发表于 2025-3-26 03:49:58
Earthworm ecology in grassland soils Bouché (1972), Lofty (1974) and Edwards and Lofty (1977). This chapter considers the physical, chemical and biotic effects of earthworms on managed temperate grassland soils and their effects on pasture yields.
决定性
发表于 2025-3-26 04:41:31
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灵敏
发表于 2025-3-26 08:44:24
Effects of fire on the nutrient content and microflora of casts of ,urface. This report describes (a) the status of certain macronutrients in these casts and in the underlying soils both with and without litter cover, (b) the microflora of the casts, and (c) the effect of natural wild fire on the casts.
STALL
发表于 2025-3-26 15:02:32
Earthworm ecology in reclaimed opencast coal mining sites in Ohio soil develops on the coal spoils, influenced by soil-forming factors — climate, time, topography, parent material and organisms (Jenny, 1980). Of these factors, topography, parent material and organisms may be controlled during mining and subsequent reclamation.
暖昧关系
发表于 2025-3-26 17:10:57
British Nationals Working Overseas,turies or even millenia — and second, the quantities of soil organic matter are vast and consist of a great diversity of chemical compounds. Thus any investigation is faced with the problem of diversity of age, kind and distribution of organic matter within the soil profile.
繁荣地区
发表于 2025-3-26 22:24:43
Organic matter turnover by earthwormsturies or even millenia — and second, the quantities of soil organic matter are vast and consist of a great diversity of chemical compounds. Thus any investigation is faced with the problem of diversity of age, kind and distribution of organic matter within the soil profile.