field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

field, combine harvester, corn crop yield

field, combine harvester, corn crop yield

Corn crop yield continue in the fields near Vestec, Chrudim District, Czech Republic, on Wednesday, November 18, 2020. (CTK Photo/Josef Vostarek)

Andrej Babis

Andrej Babis

Czech Prime Minister Andrej Babis, right, is seen during visit of BIOCEV centre in Vestec, near Prague, Czech Republic, on September 15, 2020. (CTK Photo/Michal Krumphanzl)

Andrej Babis

Andrej Babis

Czech Prime Minister Andrej Babis is seen during visit of BIOCEV centre in Vestec, near Prague, Czech Republic, on September 15, 2020. (CTK Photo/Michal Krumphanzl)

Andrej Babis

Andrej Babis

Czech Prime Minister Andrej Babis is seen during visit of BIOCEV centre in Vestec, near Prague, Czech Republic, on September 15, 2020. (CTK Photo/Michal Krumphanzl)

Andrej Babis

Andrej Babis

Czech Prime Minister Andrej Babis is seen during visit of BIOCEV centre in Vestec, near Prague, Czech Republic, on September 15, 2020. (CTK Photo/Michal Krumphanzl)