TABLE H.2 Estimated Costs of Nutrient Replacement for Cellulosic Feedstocks

Type of Feedstock

Type of Cost

Cost per Ton (cited $)

Cost per Ton (2007$)

Reference

Corn stover

 

10.2

14.1

Hoskinson et al. (2007)

Corn stover

 

4.6

8.4

Khanna and Dhungana (2007)

Corn stover

 

7

14.4

Aden et al. (2002)

Corn stover

 

4.2

4.2

Petrolia (2008)

Corn stover

 

10

21

Perlack and Turhollow (2003)

Corn stover

Whole-plant harvest

9.7

13.3

Karlen and Birrell (Unpublished)

Corn stover

Cob, top 50% harvest

9.5

13.1

Karlen and Birrell (Unpublished)

Corn stover

Bottom 50% harvest

10.1

13.9

Karlen and Birrell (Unpublished)

Switchgrass

 

6.7

12.1

Perrin et al. (2008)

Switchgrass

 

10.8

19.77

Khanna et al. (2008)

Miscanthus

 

2.5

4.6

Khanna et al. (2008)

Note: Nutrient and replacement costs were updated by using USDA-NASS agricultural-fertilizer prices from 1999 to 2007 (USDA-NASS, 2007a,b).

TABLE H.3 Estimated Distance for Delivery of Cellulosic Feedstocks

Distance (miles)

Type

Reference

46–134

Round-trip

Mapemba et al. (2007)

22–62

One-way

Perlack and Turhollow (2003)

22–61

One-way

Perlack and Turhollow (2002)

50

Round-trip

Khanna et al. (2008)

50

Max one-way

English et al. (2006)

50

One-way

Vadas et al. (2008)



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