大破坏
发表于 2025-3-21 16:21:06
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notice
发表于 2025-3-21 23:00:06
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Dysarthria
发表于 2025-3-22 02:27:08
Why Write a Handbook of Ecological Concepts? the spring and the summer. It can decrease the gross profit by an amount almost equal to the cost savings on fertilizer. From an economic viewpoint farms with a surplus of manure should use as much manure as (legally and agriculturally) possible. Overdoses of nutrients are less desirable from an environmental viewpoint.
联邦
发表于 2025-3-22 07:31:31
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graphy
发表于 2025-3-22 08:55:31
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轻打
发表于 2025-3-22 15:40:58
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重力
发表于 2025-3-22 19:53:27
n International Symposium on a topic related to intensive grass and fodder production systems. The theme selected was "Animal manure on grassland and fodder crops: Fertilizer or waste?" This Symposium was organized under the auspices of the European Grassland Federation and held at the International
丰富
发表于 2025-3-22 23:02:17
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相反放置
发表于 2025-3-23 02:06:13
Ecologists and Ethical Judgementsve yield effects can occur. The fertilising efficiencies of different slurry processing methods can be summarised as follows:.In general appropriate slurry application is more important than slurry processing.
四牛在弯曲
发表于 2025-3-23 07:09:58
https://doi.org/10.1007/978-3-642-67635-2he greatest influence on the response of pasture production to N fertilization..Two one-year experiments are described which showed that there were no significant differences in the response of grassland production to N fertilization between cutting and grazing usage above about 200 kg N ha. yr..