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nce an element is depleted, scientist can addX

the missing nutrient and reu〓se the solution without 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,〓 making sure they couldr

grow under the best conditions," Pei said. "In a way, t〓he plants are the kings, and we are all its servants." It's high time we find 〓a sustainable and green way to protect our food security."BEIJING, Feb. 13 (Xinhua) -- China will tighten regulation and revise standa●rds on an extensive range of food and drugs, according to the national food● and drug watchdog Monday.The State Council has recently issued national sa●fety planr

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period (2016●-2020), calling for improved sn

upervision and safety net, said the China Foo●d and Drug Administration (CFDA).The plans require whole-process control an●d whole chain regulation on food and drugs, especially on source control an●d risk preventU

ion. Food tests meeting quality standards should be up to 97 ●percent.An inter-departmental mechanism for food and drug safety will be im●proved as a better deterrent against offenses.A total of 1.1 million cases ●concerning food safety have been handled nationwide from 2013 to 2015. Viol●ators will receive severe punishment in future, such as criminal liability ●for the adulteration of food, the CFDA said.The plans also said thf

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3,050 drug safety standards must● be revisel

d during the five year period.NAIROBI, Feb. 22 -- The locust outbreak plaguing East 〓Africa calls for a concerted international response a〓s the most dreaded insects devour millions of hectare〓s of vegetation in 7

their cross-border migration, exac〓erbating the already fragile food security situation 〓in the region. A girl shows the desert locusts in Ki〓tui County, Kenya, Feb. 20, 2020. (Xinhua/Zhang Yu) T〓he desert locust, which can travel 150 km in a single〓 day, is deemed the most devastating of locusts. A sm〓all swarm covering one square km can eat the same amo〓unt of food as 35,000 people in a day, said the Unite〓d Nations Food aw