US$ 20.04
pa state tobacco tax Act 112: Law USA: Tobacco & Vape Tax
Description
T., Short, E

The experiment was designed with five fertilizer treatments: CK (no fertilizer for seven years), CF (100% chemical compound fertilizer for seven years), CM (manure combined with 90% chemical compound fertilizer for seven years), SM (straw combined with 90% chemical compound fertilizer for seven years), and FM (farmyard compost of manure and straw and 90% chemical compound fertilizer for seven years)

9 May 2007

Schlag, A
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