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All 2014 Fukushima rice cleared radiation tests, thanks “supposedly” to fertilizer


Jan 18, 2015

All 2014 Fukushima rice cleared radiation tests, thanks to fertilizer

Fukushima Minpo

For the first time since the triple meltdown at the Fukushima No. 1 plant throttled the agriculture-reliant prefecture, all rice produced there last year cleared the required radiation tests.

The Fukushima Prefectural Government last year checked every bag of rice produced in the prefecture — some 10.75 million bags — based on the Food Sanitation Law, which bans the sale of rice radiating more than 100 becquerels of cesium per kilogram.

The tests found all bags checked from January 2014 through December 2014 had lower than standard radiation levels, in contrast with those tested in 2012 and 2013, which had a small percentage of rice unfit for shipment, the prefectural government said.

Officials said they hope the results will help raise consumer confidence in Fukushima rice, which was devastated by the nuclear disaster. Experts attribute the achievement to efforts to prevent cesium from entering rice fields during cultivation, and to the use of fertilizers based on potassium chloride, which prevents the grain from absorbing the isotope.

The tests, introduced in 2012, screen the bags on a conveyer belt. Bags sniffed out by the initial screening are tested further with precision instruments. Bags over the 100-becquerel cesium limit are discarded.

In 2012, a total of 10.35 million bags were tested and 71, or 0.0007 percent, failed.

In 2013, the failure rate was reduced to just 28 bags, or 0.0003 percent of the 11 million bags tested.

In 2014, 29 bags were flagged as suspicious by initial screening but later found to be below the cesium threshold.

Given that 867 bags were weeded out by initial scans in 2012, the 2014 results represent a major advance, they said.

To date, the rice farmers, prefectural government and local JA cooperatives have made joint efforts to promote fertilizers based on potassium chloride, which prevents rice from absorbing cesium.

The prefecture is shouldering all costs for the fertilizers. In 2014, it distributed ¥1.61 billion in subsidies to farmers to buy enough potassium chloride-based fertilizer to treat 68,000 hectares of paddies.

Research has shown putting potassium in soil prevents rice from taking in cesium. But it is important to keep the potassium levels high while rice is young. So farmers have been told to keep adding it.

Keisuke Nemoto, a professor at the University of Tokyo’s Laboratory of Crop Ecology and Morphology who is studying how cesium gets into rice, said the 2014 test results represent the fruit of the joint effort.

But Nemoto said his experiments showed that rice grown without potassium-based fertilizers still breaks the 100-becquerel cesium limit.

“Unless farmers keep adding potassium to soil every year, the chemical’s density in soil will decline and rice could start absorbing cesium again,” he warned.

This section, appearing every third Monday, focuses on topics and issues covered by the Fukushima Minpo, the largest newspaper in Fukushima Prefecture. The original article was published Jan. 9.

Source: Japan Times

Comments from Marushka France

1) Agricultural practices such as these, adding lime, potassium, phosphorus and/or organic materials to contaminated soils is… I repeat IS…. appropriate kind of measure to take!!
2) Testing rice with the appropriate equiment is very important.
Measuring the rice from outside a bag does not tell us the alpha and beta IN THE FOOD, very important that HOW food is tested and with what equipment… Very important
3) because Internal exposure – food and water — is 1,000X worse than external, according to WHO
4) Testing agricultural lands , treating with organic soils amendments after assessing the level of radioisotope contamination and the needs of the soils – and making that public information – is critical… for saving our planet, our food and water supplies and our lives.

It is the only way to restore confidence – in government and in media…. We have been lied to our entire lives. Only honest and full disclosure can restore and repair relationships.
Government . People . Journalism…

Reassess ourselves, reassess for one major reason
“Environmental problems…. contamination from multiple human activities like oil, gas, nuclear, petrochemicals, petroleum based agriculture
Poison, unbalanced, unsus-ainable, all of them

Incorporating an application of organic and mineral fertilizers reduces the levels of Cs137 and Sr-90 accumulation three- to fivefold in herbage grown in mineral soils. Such radical treatment of hayfields on peat soils sharply reduces Cs-137, but is less effective for Sr-90.
5) Owing to degradation of cultivated hayfields, repeated grassland renovation with an application of fertilizers is needed every 3 to 6 years.
As noted above, radiation protection measures are effectively applied in large stateowned and collective farms. In small privatesector households and farms, which in Belarus account for more than 50% of agricultural production, these measures are incidental.

Generally for each cow on a private Belarus farm
there is about 1 hectare of hayfield and improved pasture. This is not sufficient to sustain the animal so the farmers have to get hay
from grassy forest glades and unarable lands that are contaminated with higher levels of radioactivity than cultivated hayfields.

Thus a significant number of settlements, even 23 years since the catastrophe, had inadequate radiation protection for agricultural production.

There are more than 300 such settlements each in Belarus and Ukraine, and more than 150 in Russia (Kashparov et al., 2005). page 312 “Chernobyl: Consequences of the Catastrophe for People and the Environment” by Alexey Yablokov, Vasily Nesterenko and Alexey Nesterenko
NY Academy of Sciences, Volume 1181, 2009.
5,000 Slavic language studies reviews, over 1,400 cited.
Hard copy now available at Greko Printing P:734.453.0341;
Japanese version available at – Chapter 4 (parts12-15) have not been included, ‘too long’.

January 19, 2015 - Posted by | Japan |

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