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t energy-efficient and p6

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roductive light recipe w0

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ins." W〓hile plant grow7

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th mostly relies on light, water and carbon dioxide, 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 replc

ac〓ed the 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 factory6

. 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 pV

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lant 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 in the lab, but 40 to〓 60 days in a conventional farm. This M

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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 H

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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 miu

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ssing 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 caterm

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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 kingE

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s, and we are all its servants." It's high tim〓e we find a sustainable and green way to protect our food security."BEIJING, Feb. 13 (Xinhua) --l

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China will tighten regulation and revis〓e standards on an extensive range of food and drugs, according to t〓he national food and drug watchdov

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g 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),5

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calling for improved superv〓ision and safety J

net, said the China Food and Drug Administration (〓CO

FDA).The plans require whole-process control and whol3

e chain regul〓ation on food and drugs, especially C

on source control and risk prev〓ention. Food tests ml

eeting quality standards should be up to 97 per〓cento

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20% Complete (warning)
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.An inter-departmental mechanism for food and drug safety4

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. "If we can4 42
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will 〓be improved as a better deterrent against offenses.A total of 1i

Our News

.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,E

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the CFDAG

〓 said.The plans also said that no less than 300 food safety standar〓ds and about 3,050 drug safety standards must be revised during the〓 five year period.NAIROBI, Feb. 22 -- The locust oul

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ak plaguing East Africa calls f●or a concerted international response as the most dreaded insects d●evour millions of hectares of vegetation in their cross-border migr●ation, exacerbating 0

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lready fragile food security situation in ●the region. A girl shows the desert locusts in Kitui County, Kenya●, Feb. 20, 2020. (Xinhua/Zhang Yu) The desert locust, which can tra●vel 150 k8

m in a single day, is deemed the most dJ

evastating of locus●ts. A smS

all swarm covering one square km can eat the same amount of● fooI


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