Agricultural implications of the Fukushima nuclear accident by Tomoko M. Nakanishi (auth.), Tomoko M. Nakanishi, Keitaro

By Tomoko M. Nakanishi (auth.), Tomoko M. Nakanishi, Keitaro Tanoi (eds.)

Following the Fukushima nuclear coincidence, a wide quantity of tracking info has been gathered concerning the soil, air, dirt, and seawater, besides facts approximately an important variety of meals provided to the industry. Little is understood, besides the fact that, in regards to the impression of radioactive fallout on agriculture, information regarding that is important. even supposing greater than eighty% of the broken quarter is said to agriculture, in situ info particularly for agriculture is scarce. This publication offers information in regards to the genuine flow and accumulation of radioactivity within the ecological system—for instance, even if particles deposited on mountains could be a explanation for secondary illness, less than what stipulations crops acquire radioactive cesium of their suitable for eating components, and the way radioactivity is transferred from hay to exploit. simply because agriculture is so heavily on the topic of nature, many experts with varied parts of craftsmanship needs to be fascinated with answering those questions. with regards to rice, researchers in rice cultivation in addition to in soil, hydrology, and radioactivity size are operating jointly to bare the trails or accumulation of radioactivity within the box. For this function, the Graduate tuition of Agricultural and existence Sciences of The college of Tokyo has different amenities on hand all through Japan, together with farmlands, forests, and meadowlands. Many educational employees participants have shaped teams to behavior on-site examine, with greater than forty volunteers engaging. This publication provides the knowledge accumulated from the one undertaking being systematically performed throughout Japan after the Fukushima accident.

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This indicated that strong fixation of radiocesium to clay particles occurred during the initial 2–3 months. Radiocesium uptake by plant roots may have decreased remarkably along with the mobility of radiocesium in the soil. Keywords Collimator • Distribution coefficient • Gamma ray • Migration velocity of Cs • Sorption • Water flux in soil Abbreviation Cs Cesium S. M. Nakanishi and K. 1007/978-4-431-54328-2_6, © The Author(s) 2013 49 50 S. 1 R  etardation of Cesium Migration as a Result of Fixation to Soil Solids Cesium (Cs) is soluble in water as a univalent cation.

Bar = 1 cm uptake and the xylem loading activity. Another explanation was that the 137Cs increase in the shoot was composed of two distinct components. After the 137Cs entered the root cytosol, some of the 137Cs entered the cellular compartment for storage, whereas another part of the 137Cs entered the xylem immediately and was translocated to the shoot through the xylem. If this was the case, the rapid translocation of 137Cs to the shoot within 5 h (Fig. 3c) can be interpreted as the xylem loading activity, and the slowly increasing curve that appeared after 5 h (Fig.

We found that 137Cs was easily taken up by rice plants only when it was dissolved in a liquid medium. In contrast, only a small amount of 137Cs was taken up when the same liquid medium containing 137 Cs was added to the soil and supplied to the rice plants. This result demonstrates the intensive Cs adsorptive property of the soil. When rice was grown hydroponically in K-sufficient environment followed by K withdrawal for 2 days, 137Cs was taken up easily compared with the rice without K deficiency.

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