буду очень благодарен
Soil Testing and Plant Analysis, SSSA Book Series 3, 1990
R.L. Westerman (ed.)
ссылки на главы
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http://dx.doi.org/10.2136/sssabookser3.3ed.c1
http://dx.doi.org/10.2136/sssabookser3.3ed.c2
http://dx.doi.org/10.2136/sssabookser3.3ed.c3
http://dx.doi.org/10.2136/sssabookser3.3ed.c4
http://dx.doi.org/10.2136/sssabookser3.3ed.c5
http://dx.doi.org/10.2136/sssabookser3.3ed.c6
http://dx.doi.org/10.2136/sssabookser3.3ed.c7
http://dx.doi.org/10.2136/sssabookser3.3ed.c8
http://dx.doi.org/10.2136/sssabookser3.3ed.c9
http://dx.doi.org/10.2136/sssabookser3.3ed.c10
http://dx.doi.org/10.2136/sssabookser3.3ed.c11
http://dx.doi.org/10.2136/sssabookser3.3ed.c12
http://dx.doi.org/10.2136/sssabookser3.3ed.c13
http://dx.doi.org/10.2136/sssabookser3.3ed.c14
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http://dx.doi.org/10.2136/sssabookser3.3ed.c16
http://dx.doi.org/10.2136/sssabookser3.3ed.c17
http://dx.doi.org/10.2136/sssabookser3.3ed.c18
http://dx.doi.org/10.2136/sssabookser3.3ed.c19
http://dx.doi.org/10.2136/sssabookser3.3ed.c20
http://dx.doi.org/10.2136/sssabookser3.3ed.indexлибо общая ссылка если удобно
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https://dl.sciencesocieties.org/publications/books/tocs/sssabookseries/soiltestingandp