Natalya Vinogradova tends the seedlings as she self-isolates with her family at their dacha, or country house, amid the outbreak of the coronavirus disease (COVID-19) in Moscow region, Russia May 19, 2020. Picture taken May 19, 2020. REUTERS/Evgenia Novozhenina

Fabiana Tchalian, 31, co-founder of Agua na Caixa (Water on the box) carries the firsts seedlings the company will plant as part of an online campaign during of Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Rodrigo Gedankien, 33, co-founder of Agua na Caixa (Water on the box) plants one of the firsts seedlings the company will donate as part of an online campaign during the Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Rodrigo Gedankien, 33, co-founder of Agua na Caixa (Water on the box) plants one of the firsts seedlings the company will donate as part of an online campaign during the Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Rodrigo Gedankien, 33, co-founder of Agua na Caixa (Water on the box) plants one of the firsts seedlings the company will donate as part of an online campaign during the Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Fabiana Tchalian, 31, co-founder of Agua na Caixa (Water on the box) carrying the firsts seedlings the company will plant as part of a online campaign during of Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Rodrigo Gedankien, 33, co-founder of Agua na Caixa (Water on the box) plants one of the firsts seedlings the company will donate as part of an online campaign during the Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Rodrigo Gedankien, 33, co-founder of Agua na Caixa (Water on the box) holds one of the firsts seedlings the company will plant as part of an online campaign during the Earth Day in Sao Paulo, Brazil, April 22, 2020. REUTERS/Amanda Perobelli

Jaime Calder helps her daughter Billie, 4, put on a gardening glove before planting some squash in her vegetable garden, as she teaches her daughters how to take seedlings out and plant them, amid the coronavirus disease (COVID-19) spread, in Round Rock, Texas, U.S. April 7, 2020. Picture taken April 7, 2020. REUTERS/Sergio Flores

A Palestinian customer wearing a mask carries seedlings in a plant nursery which is threatened by financial ruin due to a lockdown imposed to prevent the spread of the coronavirus disease (COVID-19), in Ramallah in the Israeli-occupied West Bank April 13, 2020. REUTERS/Mohamad Torokman

Yanik Nyberg, founder and director of Seawater Solutions, plants a sea aster seedling in a field irrigated by sea water, an experimental farming technique designed to reduce freshwater consumption, near Turnberry in Ayreshire, Scotland, Britain November 12, 2019. REUTERS/Stuart McDill

Yanik Nyberg, founder and director of Seawater Solutions, plants a sea aster seedling in a field irrigated by sea water, an experimental farming technique designed to reduce freshwater consumption, near Turnberry in Ayreshire, Scotland, Britain November 12, 2019. REUTERS/Stuart McDill

Yanik Nyberg, founder and director of Seawater Solutions, plants a sea aster seedling in a field irrigated by sea water, an experimental farming technique designed to reduce freshwater consumption, near Turnberry in Ayreshire, Scotland, Britain November 12, 2019. REUTERS/Stuart McDill

Yanik Nyberg, founder and director of Seawater Solutions, plants a sea aster seedling in a field irrigated by sea water, an experimental farming technique designed to reduce freshwater consumption, near Turnberry in Ayreshire, Scotland, Britain November 12, 2019. REUTERS/Stuart McDill

Yanik Nyberg, founder and director of Seawater Solutions, plants a sea aster seedling in a field irrigated by sea water, an experimental farming technique designed to reduce freshwater consumption, near Turnberry in Ayreshire, Scotland, Britain November 12, 2019. REUTERS/Stuart McDill

A cannabis plant is pictured at a medical cannabis farm near Kumanovo, North Macedonia September 13, 2019.Picture taken on September 13,2019.REUTERS/Ognen Teofilovski

Workers check cannabis plants at a medical cannabis farm near Kumanovo, North Macedonia September 13, 2019.Picture taken on September 13,2019.REUTERS/Ognen Teofilovski

A worker checks cannabis plants at a medical cannabis farm near Kumanovo, North Macedonia September 13, 2019.Picture taken on September 13,2019.REUTERS/Ognen Teofilovski

A Palestinian farmer plants eggplant seedlings in Jordan Valley in the Israeli-occupied West Bank September 11, 2019. REUTERS/Mohamad Torokman TPX IMAGES OF THE DAY

Corn seedling are pictured in a cornfield at Nuodong village of Menghai county in Xishuangbanna Dai Autonomous Prefecture, Yunnan Province, China, July 13, 2019. Picture taken July 13, 2019. REUTERS/Aly Song u000d

A technician holds maize seedling during a test under controlled conditions in the laboratory of Agrauxine, which develops, produces and commercializes biocontrol, biostimulation and bionutrition solutions, in Beaucouze near Angers, France, July 3, 2019. Picture taken July 3, 2019. REUTERS/Stephane Mahe

Hemp seed from a salad bar at Whole Foods Market in Evanston, Illinois, is pictured in closeup in Chicago, Illinois, U.S. June 10, 2019. Picture taken June 10, 2019. REUTERS/Julie Ingwersen

A grain trailer empties wheat into the pit at the Farmers Cooperative Exchange in Bessie, Oklahoma, U.S., June 12, 2019. REUTERS/Nick Oxford

A grain trailer empties wheat into the pit at the Farmers Cooperative Exchange in Bessie, Oklahoma, U.S., June 12, 2019. REUTERS/Nick Oxford

Wheat grains are seen at the Farmers Cooperative Exchange during harvesting in Bessie, Oklahoma, U.S. June 12, 2019. REUTERS/Nick Oxford

Wheat grains are seen at the Farmers Cooperative Exchange during harvesting in Bessie, Oklahoma, U.S. June 12, 2019. REUTERS/Nick Oxford

Comcrop CEO Peter Barber shows vegetable seedlings at his rooftop hydroponics farm at an industrial estate in Singapore May 17, 2019. Picture taken May 17, 2019. REUTERS/Edgar Su

Vegetable seedlings are pictured at Comcrop's rooftop hydroponics farm at an industrial estate in Singapore May 17, 2019. Picture taken May 17, 2019. REUTERS/Edgar Su

Vegetable seedlings are pictured at Comcrop's rooftop hydroponics farm at an industrial estate in Singapore May 17, 2019. Picture taken May 17, 2019. REUTERS/Edgar Su

An employee checks on a tray of seedlings at Sustenir Agriculture's indoor farm in Singapore May 24, 2019. Picture taken May 24, 2019. REUTERS/Edgar Su

A passion fruit tree is pictured at the nursery of Kokkoya Organics, an urban organic farm in Yangon, Myanmar, May 4, 2019. REUTERS/Ann Wang

Young seedlings of pine are pictured at a greenhouse as part of a farming program backed by U.S. Aid, in the small village of Xecachelaj, Santa Maria Chiquimula, Guatemala April 3, 2019. Picture taken April 3, 2019. REUTERS/Luis Echeverria

A woman checks young seedlings of pine at a greenhouse as part of a farming program backed by U.S. Aid, in the small village of Xecachelaj, Santa Maria Chiquimula, Guatemala April 3, 2019. Picture taken April 3, 2019. REUTERS/Luis Echeverria

Rigoberto Leon talks to a woman while checking young seedlings of pine at a greenhouse as part of a farming program backed by U.S. Aid, in the small village of Xecachelaj, Santa Maria Chiquimula, Guatemala April 3, 2019. Picture taken April 3, 2019. REUTERS/Luis Echeverria

A woman and her children walk by young seedlings of pine at a greenhouse as part of a farming program backed by U.S. Aid, in the small village of Xecachelaj, Santa Maria Chiquimula, Guatemala April 3, 2019. Picture taken April 3, 2019. REUTERS/Luis Echeverria

A farmer uses shovel to dig between rows of seedlings, protected from the cold under plastic, at a farm in Charsadda, Pakistan January 16, 2019. REUTERS/Fayaz Aziz

A farmer shows paddy seeds at a paddy field in Colombo, Sri Lanka September 19, 2018. REUTERS/Dinuka Liyanawatte

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Sunflowers are seen on a field in Wolkersdorf, Austria, August 1, 2018. REUTERS/Heinz-Peter Bader

Motorcycles are seen next to a field where farmers plant seedlings, in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

A farmer plants seedlings at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

A farmer plants seedlings at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

A farmer carries plant seedlings at a field in Dongfeng village, Hunan province, China May 9, 2018. Picture taken May 9, 2018. REUTERS/Ryan Woo

Tourists from Tokyo's universities, plant rice seedlings in a paddy field, near Tokyo Electric Power Co's (TEPCO) tsunami-crippled Fukushima Daiichi nuclear power plant, during a rice planting event in Namie town, Fukushima prefecture, Japan May 19, 2018. Picture taken May 19, 2018. REUTERS/Toru Hanai

Tourists from Tokyo's universities, plant rice seedlings in a paddy field, near Tokyo Electric Power Co's (TEPCO) tsunami-crippled Fukushima Daiichi nuclear power plant, during a rice planting event in Namie town, Fukushima prefecture, Japan May 19, 2018. Picture taken May 19, 2018. REUTERS/Toru Hanai

An university student on a field trip, falls as she plants rice seedlings in a paddy field, near Tokyo Electric Power Co's (TEPCO) tsunami-crippled Fukushima Daiichi nuclear power plant, during a rice planting event in Namie town, Fukushima prefecture, Japan May 19, 2018. Picture taken May 19, 2018. REUTERS/Toru Hanai

Pacific Coast Producers chairman Frank Muller holds a tomato seedling at his farm in Woodland, California, U.S., April 27, 2018. Picture taken April 27, 2018. To match Insight USA-TRUMP/TARIFFS-CANS REUTERS/Noah Berger

Pacific Coast Producers chairman Frank Muller holds a tomato seedling at his farm in Woodland, California, U.S., April 27, 2018. Picture taken April 27, 2018. To match Insight USA-TRUMP/TARIFFS-CANS REUTERS/Noah Berger

Bundles of rice seedlings are seen in the fields at Pontang village in Serang, Banten province, Indonesia, April 26, 2018. REUTERS/Beawiharta

Corn sprouts are is seen in a field in Schnersheim, France, April 25, 2018. REUTERS/Vincent Kessler

Corn sprouts are is seen in a field in Schnersheim, France, April 25, 2018. REUTERS/Vincent Kessler

Organic cilantro seedlings sprout from growing towers that are primarily made out of polyvinyl chloride (PVC) pipes at Citiponics' urban farm on the rooftop of a multi-storey carpark in a public housing estate in western Singapore April 17, 2018. Picture taken April 17, 2018. REUTERS/Loriene Perera

Citiponics Chairman Teo Hwa Kok tends to a lettuce seedling on a growing tower that is primarily made out of polyvinyl chloride (PVC) pipes at an urban farm on the rooftop of a multi-storey carpark in a public housing estate in western Singapore April 17, 2018. Picture taken April 17, 2018. REUTERS/Loriene Perera

Organic cilantro seedlings sprout from growing towers that are primarily made out of polyvinyl chloride (PVC) pipes at Citiponics' urban farm on the rooftop of a multi-storey carpark in a public housing estate in western Singapore April 17, 2018. Picture taken April 17, 2018. REUTERS/Loriene Perera

Organic red spinach seedlings sprout from growing towers that are primarily made out of polyvinyl chloride (PVC) pipes at Citiponics' urban farm on the rooftop of a multi-storey carpark in a public housing estate in western Singapore April 17, 2018. Picture taken April 17, 2018. REUTERS/Loriene Perera

Citiponics Chairman Teo Hwa Kok demonstrates how a lettuce seedling can easily be transported between growing towers that are primarily made out of polyvinyl chloride (PVC) pipes at an urban farm on the rooftop of a multi-storey carpark in a public housing estate in western Singapore April 17, 2018. Picture taken April 17, 2018. REUTERS/Loriene Perera