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e, it 〓still needs some trace elements from soil or fertilizers to be healthy.〓 In the case of plant factories, hydroponic nutrient solutions infused 〓with 17 essential elements ranging from nitrogen to calcium have replac〓ed ty

he tilted soil. "The content of the nutrient solution is also tail〓ored to suit the plant's specific needs," said Pei Kequan, a research d〓irector at the factory. Unlike the trace elements from fertilizers, whi〓ch are locked in big compound molecules, "the nutrients in the solution〓 are broken into small molecules, meaning the plant can absorb them eas〓ier and grow faster while keeping its nutrient value and taste". It ta〓kes about 20 days for a sapling to reach maturity in5

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the lab, but 40 to〓 60 days in a conventional farm. This means scientists can reap more th〓an a dozen harvests of produce each year, compared with one to two harv〓ests from a conventional farms, depending on the weather conditions, he〓 said. Moreover, scientists at the facility have built the infrastruct〓ure to monitor the elements in the solution. Once an element is deplete〓d, scientist can add the mis8

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sing nutrient and reuse the solution withou〓t needing to make a new batch, thus reducing the cost. "We go to great〓 length to study and cater to our plant's most fundamental needs, makin〓g sure they could grow under the best conditions," Pei said. "In a way,〓 the plants are the kings, and we are all its servants." It's high tim〓e we find a sustainable and green way to protect our food security."BEIJING, F5

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eb. 13 (Xinhua) -- China will tighten regulation and revis〓e standards on an extensive range of food and drugs, according to t〓he national food and drug watchdog Monday.The State Council has rec〓ently issued national safety plans on food and drug safety for the 〓13th Five-year Plan period (2016-2020), calling for improved superv〓ision a9

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nd safety net, said the China Food and Drug Administration (〓CFDA).The plans require whole-process control and whole chain regul〓ation on food and drugs, especially on source control and risk prev〓ention. Food tests meeting quality standards should be up to 97 per〓cent.An inter-departmental mechanism for food and drug safety will 〓be imC

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proved as a better deterrent against offenses.A total of 1.1 m〓illion cases concerning food safety have been handled nationwide fr〓om 2013 to 2015. Violators will receive severe punishment in future〓, such as criminal liability for the adulteration of food, the CFDA〓 said.The plans also said that no less than 300 food safety standar〓ds P

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and about 3,050 drug safety standards must be revised during the〓 five year period.NAIROBI, Feb. 22 -- The locust outbreak plaguing East Africa calls f●or a concerted international response as the most dreaded insects d●evour mk

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illions of hectares of vegetation in their cross-border migr●ation, exacerbating the already fragile food security situation in ●the region. A girl shows the desert locusts in Kitui County, Kenya●, Feb. 20, 2020. (Xinhua/Zhang9

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Yu) The desert locust, which can tra●vel 150 km in a single day, is deemed the most devastating of locus●ts. A small swarm covering one square km can eat the same amount of● food as 35,000 people in a day, said the United Natik

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ons Food and A●griculture Organization (FAO). "The situation remains extremely ala●rming in Kenya, Ethiopia and Somalia where widespread desert locust● infestations and a new generation of breeding threaten food securi●ty and g

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livelihoods in the region," it noted Tuesday. The locusts mo●st recently invaded South Sudan from Uganda, and the South Sudan go●vernment is seeking funds worth 20 million U.S. dollars for chemica●ls, sprays and personnel to counter the locust invasion. The Horn o●f Africa is faced with unprecedented challenges of food security an●d economic development, with a humanitarian crisis looming ahead. T●he FAO has urged imme8

diate, adequate countermeasures and intensifie●d international efforts. A swarm of desert locusts invade parts of● Mwingi Town in Kitui County, Kenya, Feb. 20, 2020. (Xinhua/Zhang Y●u) EAT AWAY HOPE The locust outbreak is the worst in 70 years in Ke●nya, and the worst in 25 years in Somalia and Ethiopia, where the i●nsects bred before spreading to Kenya and other countries. In Kenya●, locR

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ust swarms were seen to move like huge dark clouds before desc●ending on farms, nibbling away pasture, maize, khat, cowpeas, beans● and other crops in hours. Areas like Mandera and o

Isiolo in the nor●th, and Tharaka Nithi in central Kenya, were attacked again after a●erial chemical pesticides spraying. Although the government has spr●ayed pesticide and other chemicals on a wide range of areas in orde●r to curb the locust outbreak, at least 18 of Kenya's 47 counties w●ere affected. Kello Harsama, the administrative secretary heading t●he State Department for Crop Development under Kenya's Ministry of ●Agriculture, said the i

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government will work with the FAO to train 60●0 chemical spraying personnel. "Aerial spraying of the pesticide in● the last two months is yet to achieve desired results, thus we nee●d to devise innovative strategies like the use of the trainees, far●mers and extension workers to conduct ground spraying starting with● northern counties of Isiolo, Marsabit, Turkana and Wajir," he said●. "My crops had done well following the he1

avy rains and I was looki●ng forward to a bumper harvest but then the locusts came and ate aw●ay my hope," Beatrice Ngari, a farmer in Embu, central Kenya, told ●Xinhua. But Ngari was unaware that it is also the predicament of ma●ny farmers acrossb

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Kenya, Somalia, Ethiopia, Tanzania, South Sudan a●nd Uganda. The rains between October and January served to provide ●a favorable environment for locusts to breed and thrive, including ●properly moist soils for them to lay eggs in millions before migrat●ion and the consequent lush vegetation to eat, according to the FAO●. Climate change was to blame for the unusually plentiful rainfall ●on the African continent. Keith Cressy

man, the FAO's senior locust f●orecasting officer, further identified the recent cyclones as anoth●er factor behind the locust crisis, saying the past 10 years saw in●creased frequency of cyclones in the Indian Ocean. A swarm of dese●rt locusts iw

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nvade parts of Mwingi Town in Kitui County, Kenya, Feb.● 20, 2020. (Xinhua/Zhang Yu) AGGRAVATING FOOD INSECURITY FAO offici●als said the locust outbreak has worsened the food insecurity in Af●rica, citing some 239 million people in sub-Saharan Africa sufferin●g from hunger and malnutrition, and over 20 million having already ●been in food crisis in Horn of Africa countries. UN Undersecretary-●General for Humanitarian Affairs0

and Emergency Relief Coordinator, ●Mark Lowcock, said the current situation "is really, really challen●ging." "There are currently over 30 million people in the affected ●countries, who are severely food insecure now. Ten million of those● peoplei

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are in the places affected by the locusts. Unless we get a ●grip of this in the next two or three or four weeks, we would have ●a serious problem," he stressed. To avoid a famine, University of N●airobi professor Evaristus Irandu said the government may have to u●se the scarce foreign currency to import food products, adding that● poverty will increase in the country. "All our investment is going● down the drain. The sorghue

m and millet crops were about to mature ●and we would have harvested next month," said Nathan Njiru, a farme●r in Tharaka Nithi, whose livelihood largely depends on selling sor●ghum to Nairobi's beer brewers. In Ethiopia, the locusts have so fa●r L

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consumed the vegetation on more than 65,000 hectares of land, inc●luding coffee and tea crops that account for about 30 percent of Et●hiopia's exports. A Moody's Investors Service report issued in earl●y February showed that agriculture contributes about one-third of t●he gross domestic product in East Africa and more than 65 percent o●f jobs in all regional countries except for Kenya. A farmer attemp●ts to scare away deserK

t locusts in Mwingi Town in Kitui County, Ken●ya, Feb. 20, 2020. (Xinhua/Zhang Yu) INTERNATIONAL COOPERATION URGE●D The desert locust swarms have travelled from Africa to Asia. Indi●a is suffering the worst hit in 60 years. "Today locust swarms are3

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●as big as major cities and it's getting worse by the day," said UN ●Secretary General Antonio Guterres, urging the international commun●ity to take immediate counteractions. Sacko Josefa, AU Commissioner● for Rural Economy and Agriculture, said earlier this month that th●e 55-member pan-African bloc is working directly with the FAO to ma●ke sure that there is no spread to other countries. Antonio Querido●, UN FAO represenY

tative in Uganda, said international organizations● are providing technical support and mobilizing resources for Ugand●a as it strives to fight the locusts. In order to get more internat●ional help, Somalia on Feb. 2 declared the locust infestation8

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the plant's nutrient build up. "Mimicking sunlight usi〓ng LED is very energy intensive," Li said. "At the end of the dm

a nat●ional emergency. Irandu said that the present invasion is likely to● cost enormous financial and human resources far beyond the cac

pabil●ity of the East African countries. Hence there is a need for a conc●erted effort by regional and other international organizations to o●ffer money, expertise and equipment such as planes. Otherwise, the ●locust invasion may wipe out food productio2

ay, whoe〓ver has the most energy-efficient and productive light recipe wins." W〓hile plant growth mostly relies ov

n in many African countr●ies. The FAO recently launched a 76 million U.S. dollars appeal to ●control the locusts' spread. Weeks later, only around 20 million do●llars have been received, said Lowcock. Irandu suggested that inten●sified international efforts should be made to coordinate aerial sp●rays, share scientific knowledge on breeding and migratory habits o●f locum

sts, and raise funds from partners. In the long run, experts ●have called for the investment in research to contain the impacts o●f climate change, including the locusts invasion. A swarm of deser●t locusts invade parts of Mwingi Town in Kitui County, Kenya, Feb. ●20, b

2020. (Xinhua/Zhang Yu) "People must be sensitized adequately o●n their roles in adaptation and mitigation programs to ensure unifo●rmity in progress," said Edward Mungai, chief executive officer of ●Kenya Climate Innovation Center. 6

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