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by
Gregorich, E. G.
Format:
Alıntı:
TECHNOLOGY & ENGINEERING -- Agriculture -- Agronomy -- Soil Science.
by
Hillel, Daniel.
Format:
Alıntı:
Soil science -- Encyclopedias.
by
International Symposium "Humus et Planta" (10th : 1991 : Prague, Czech Republic)
ScienceDirect http://www.sciencedirect.com/science/book/9780444889805
Format:
Alıntı:
TECHNOLOGY & ENGINEERING -- Agriculture -- Agronomy -- Soil Science.

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