Question

\begin{tabular}{|c|c|c|} \hline 10 & Adkins, 2014 & \begin{tabular}{l} 1- Switchgrass Stand Establishment: \\ 2- Weed Control: \\ 3- Fertilization \& Nutrient Management: \end{tabular} \\ \hline 11 & \begin{tabular}{l} Abbas et al., \\ 2021 \\ Not review \end{tabular} & \begin{tabular}{l} Not available as there is not clear discussion of the system boundaries \\ present in the study. \end{tabular} \\ \hline 12 & \begin{tabular}{l} Alberti \& Zanoli, \\ 2012 \end{tabular} & \begin{tabular}{l} The system boundary in the study encompasses the various stages of \\ the biodiesel life cycle, which are: \\ 1. Lignocellulosic biomass production: This is the farming phase where \\ the biomass is grown using the inputs provided. \\ 2. Cellulose production: This involves the hydrolysis processing of the \\ biomass to produce cellulose. \\ 3. Ethanol production: This stage involves the fermentation processing \\ to produce ethanol from the cellulose. \end{tabular} \\ \hline 13 & \begin{tabular}{l} Alföldi et al., \\ 2002 \end{tabular} & \begin{tabular}{l} Not available as there is not clear discussion of the system boundaries \\ present in the study. \end{tabular} \\ \hline 14 & Ali et al., 2019 & \begin{tabular}{l} - The temporal system boundary consisted of 1 year to produce all \\ crop varieties in a given hectare of farmland. \\ - The spatial boundary included total sown area in each country \\ consuming direct energy inputs such as fuel and electricity. \end{tabular} \\ \hline 15 & Alocilja, 2002 & \begin{tabular}{l} Not available as there is not clear discussion of the system boundaries \\ present in the study. \end{tabular} \\ \hline 16 & \begin{tabular}{l} Andrianandraina \\ et al., 2015 \end{tabular} & \begin{tabular}{l} 1- fuel consumption for agricultural operations. \\ 2- exhaust emissions from engines used or agricultural \\ operations; and \\ 3- direct field emissions from the crop. \end{tabular} \\ \hline 17 & \begin{tabular}{l} Azizpanah et al., \\ 2022 \end{tabular} & \begin{tabular}{l} 1- human power, \\ 2-machinery, \\ 3-fuel, chemical fertilizers, and \\ 4- pesticides. \end{tabular} \\ \hline \end{tabular}

          \begin{tabular}{|c|c|c|}
\hline 10 & Adkins, 2014 & \begin{tabular}{l} 
1- Switchgrass Stand Establishment: \\
2- Weed Control: \\
3- Fertilization \& Nutrient Management:
\end{tabular} \\
\hline 11 & \begin{tabular}{l} 
Abbas et al., \\
2021 \\
Not review
\end{tabular} & \begin{tabular}{l} 
Not available as there is not clear discussion of the system boundaries \\
present in the study.
\end{tabular} \\
\hline 12 & \begin{tabular}{l} 
Alberti \& Zanoli, \\
2012
\end{tabular} & \begin{tabular}{l} 
The system boundary in the study encompasses the various stages of \\
the biodiesel life cycle, which are: \\
1. Lignocellulosic biomass production: This is the farming phase where \\
the biomass is grown using the inputs provided. \\
2. Cellulose production: This involves the hydrolysis processing of the \\
biomass to produce cellulose. \\
3. Ethanol production: This stage involves the fermentation processing \\
to produce ethanol from the cellulose.
\end{tabular} \\
\hline 13 & \begin{tabular}{l} 
Alföldi et al., \\
2002
\end{tabular} & \begin{tabular}{l} 
Not available as there is not clear discussion of the system boundaries \\
present in the study.
\end{tabular} \\
\hline 14 & Ali et al., 2019 & \begin{tabular}{l} 
- The temporal system boundary consisted of 1 year to produce all \\
crop varieties in a given hectare of farmland. \\
- The spatial boundary included total sown area in each country \\
consuming direct energy inputs such as fuel and electricity.
\end{tabular} \\
\hline 15 & Alocilja, 2002 & \begin{tabular}{l} 
Not available as there is not clear discussion of the system boundaries \\
present in the study.
\end{tabular} \\
\hline 16 & \begin{tabular}{l} 
Andrianandraina \\
et al., 2015
\end{tabular} & \begin{tabular}{l} 
1- fuel consumption for agricultural operations. \\
2- exhaust emissions from engines used or agricultural \\
operations; and \\
3- direct field emissions from the crop.
\end{tabular} \\
\hline 17 & \begin{tabular}{l} 
Azizpanah et al., \\
2022
\end{tabular} & \begin{tabular}{l} 
1- human power, \\
2-machinery, \\
3-fuel, chemical fertilizers, and \\
4- pesticides.
\end{tabular} \\
\hline
\end{tabular}

10 Adkins, 2014
1- Switchgrass Stand Establishment:

2- Weed Control:

3- Fertilization & Nutrient Management:

11
Abbas et al.,

2021

Not review

Not available as there is not clear discussion of the system boundaries

present in the study.

12
Alberti & Zanoli,

2012

The system boundary in the study encompasses the various stages of

the biodiesel life cycle, which are:

1. Lignocellulosic biomass production: This is the farming phase where

the biomass is grown using the inputs provided.

2. Cellulose production: This involves the hydrolysis processing of the

biomass to produce cellulose.

3. Ethanol production: This stage involves the fermentation processing

to produce ethanol from the cellulose.

13
Alföldi et al.,

2002

Not available as there is not clear discussion of the system boundaries

present in the study.

14 Ali et al., 2019
- The temporal system boundary consisted of 1 year to produce all

crop varieties in a given hectare of farmland.

- The spatial boundary included total sown area in each country

consuming direct energy inputs such as fuel and electricity.

15 Alocilja, 2002
Not available as there is not clear discussion of the system boundaries

present in the study.

16
Andrianandraina

et al., 2015

1- fuel consumption for agricultural operations.

2- exhaust emissions from engines used or agricultural

operations; and

3- direct field emissions from the crop.

17
Azizpanah et al.,

2022

1- human power,

2-machinery,

3-fuel, chemical fertilizers, and

4- pesticides.

Added by Joseph W.

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