๐”– Bobbio Scriptorium
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Fertilizer: Important Factor in Economy


Book ID
126781325
Publisher
American Chemical Society
Year
1961
Tongue
English
Weight
919 KB
Volume
39
Category
Article
ISSN
0009-2347

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The rapid growth in China's per hectare chemical fertilizer application, from less than 10 kg in 1960 to 331 kg in 1993, has contributed significantly to the growth in grain production, but has also caused many environment problems such as groundwater pollution. With one-fifth of the world's populat