Plant, Soil and Environment, 2018 (vol. 64), issue 9

Different micro-climate response of indica rice population to nitrogen fertilizerOriginal Paper

Guotao YANG, Xuechun WANG, Youlin PENG, Fahd RASUL, Ting ZOU, Yungao HU

Plant Soil Environ., 2018, 64(9):407-412 | DOI: 10.17221/422/2018-PSE  

Field experiment was carried out from 2014 to 2016 to clarify the micro-climate response of indica rice population to nitrogen fertilizer. R498, R816 and R499 were used as representatives of drooping panicle, semi-erect panicle and erect panicle indica rice, respectively and 3 nitrogen fertilizer levels (N0 - 0 kg N/ha; N1 - 150 kg N/ha; N2 -150 kg/ha) were set for each panicle of indica rice. Results showed that the erect panicle indica rice (R499) improved the environment of temperature, relative humidity and light of rice population under heavy nitrogen fertilizer, and built a healthier micro-climate environment for rice population, especially at...

Effects of selective herbicide treatment on weed community in cereal crop rotationOriginal Paper

Markéta MAYEROVÁ, Jan MIKULKA, Josef SOUKUP

Plant Soil Environ., 2018, 64(9):413-420 | DOI: 10.17221/289/2018-PSE  

The efficacy of different frequently used selective herbicides and their impact on weed community were assessed in the field experiment with cereal crop rotation in 2013-2016. All herbicide treatments provided effective weed control, but community composition changed after 4 years. The density of many weed species increased on the untreated plots. Annual grasses Apera spica-venti and Alopecurus myosuroides had temporal increase at plots treated with 2,4-d, florasulam and aminopyralid, but decline at plots treated with pyroxsulam and/or chlorsulfuron. Significant treatment effect was confirmed only for Shannon's index (H'), where the...

Effects of crop type on soil microbial properties in the cropland of the Jianghan plain of ChinaOriginal Paper

Jun LI, Lixin LIU, Chunlei ZHANG, Chang CHEN, Guangyuan LU, Junlan XIONG, Hongjun YANG

Plant Soil Environ., 2018, 64(9):421-426 | DOI: 10.17221/283/2018-PSE  

Soil microbial properties are varied by growing different crops, ultimately reflecting the growth and reproduction of crops. In this study, two types of oilseed rape (Brassica napus L. ZS11 and ZY821) and wheat (Triticum aestivum L. ZM9023) were planted in the Jianghan plain of China. Rhizosphere soil samples were collected three months after sowing. Soil physicochemical properties, enzyme activities and microbial diversity were determined. The results showed that soil available phosphorus significantly increased from 25.57 mg/kg (ZM9023) to 33.20 mg/kg (ZS11) and 35.72 mg/kg (ZY821), respectively. Invertase activity of ZS821 (0.86...

No significant differences in rhizosphere bacterial communities between Bt maize cultivar IE09S034 and the near-isogenic non-Bt cultivar Zong31Original Paper

Jingang LIANG, Ying LUAN, Yue JIAO, Longtao XIN, Xinyuan SONG, Xiaobo ZHENG, Zhengguang ZHANG

Plant Soil Environ., 2018, 64(9):427-434 | DOI: 10.17221/260/2018-PSE  

The release of genetically modified (GM) crops has potential to alter the bacterial population within rhizosphere. Here, the potential effect of GM maize cv. IE09S034 containing the Cry1Ie toxin gene from Bacillus thuringiensis (Bt) was investigated under the field conditions. The community composition and the relative abundance of the bacteria in rhizosphere soil were estimated by analysing 16S rRNA PCR amplicons. Our results indicated that Bt maize IE09S034 has no significant effects on the rhizosphere bacterial community. Instead, it was found that factors such as plant growth stage and year have a stronger effect...

Effect of growing conditions and storage on the total anthocyanin content in potatoes with coloured fleshOriginal Paper

Karel HAMOUZ, Jaromír LACHMAN, David BEČKA, Josef PULKRÁBEK

Plant Soil Environ., 2018, 64(9):435-440 | DOI: 10.17221/384/2018-PSE  

The aim of the study was to evaluate the effect of cultivar, flesh colour, location, year and long-term cold storage on the total anthocyanin content (TAC) in the tubers of 12 potato cultivars with coloured flesh. TAC ranged from 17.0 to 750.1 mg cyanidin/kg fresh matter and was significantly affected by the genotype of the cultivar. The highest TAC was achieved in a three-year average in the cv. Vitelotte (371.0 mg/kg FM, 1.15-8.10 times higher than in the other cultivars). The purple or red colour of the flesh had no significant effect on the TAC. A significantly higher TAC (1.24 times) was determined in the Valečov location with a cooler climate...

Four soil phosphorus (P) tests evaluated by plant P uptake and P balancing in the Ultuna long-term field experimentOriginal Paper

Klaus A. JAROSCH, Jakob SANTNER, Mohammed Masud PARVAGE, Martin Hubert GERZABEK, Franz ZEHETNER, Holger KIRCHMANN

Plant Soil Environ., 2018, 64(9):441-447 | DOI: 10.17221/313/2018-PSE  

Soil phosphorus (P) availability was assessed with four different soil P tests on seven soils of the Ultuna long-term field experiment (Sweden). These four soil P tests were (1) P-H2O (water extractable P); (2) P-H2OC10 (water extractable P upon 10 consecutive extractions); (3) P-AL (ammonium lactate extractable P) and (4) P-CDGT (P desorbable using diffusive gradients in thin films). The suitability of these soil P tests to predict P availability was...

Extractability of nutrients using Mehlich 3 and ammonium bicarbonate-DTPA methods for selected grassland soils of ChinaOriginal Paper

Chunping ZHANG, Decao NIU, Yuntao REN, Hua FU

Plant Soil Environ., 2018, 64(9):448-454 | DOI: 10.17221/315/2018-PSE  

This study aimed to obtain a simple and efficient soil extraction method as an exhaustive and systematic technology guideline for the determination of potentially available phosphorus (P), potassium (K), magnesium (Mg), iron (Fe), copper (Cu), manganese (Mn) and zinc (Zn) in various grassland soils covering different regions. In this study, 25 soil samples from 5 different grassland types of China were collected to measure the amounts of potentially available nutrients and to compare the results of Mehlich 3, the ammonium bicarbonate-diethylenetriaminepentaacetic acid (AB-DTPA) and other four methods which are widely used in China (i.e. Olsen, Bray...

Potential of Mehlich 3 method for extracting plant available sulfur in the Czech agricultural soilsOriginal Paper

Martin KULHÁNEK, Jindřich ČERNÝ, Jiří BALÍK, Ondřej SEDLÁŘ, Pavel SURAN

Plant Soil Environ., 2018, 64(9):455-462 | DOI: 10.17221/372/2018-PSE  

Mehlich 3 is an extractant used worldwide for extracting bioavailable nutrients in soils; however, its extraction abilities for sulfur (S) are still not well described. The aim of this preliminary study was to compare the results of Mehlich 3 determined soil S fraction (SM3) with the results of sulfur fractionation, mainly focusing on bioavailable S (Sav - sum of water-extractable (Sw) and adsorbed (Sads) sulfur). Air dried soil samples from commonly used agricultural soils were chosen for the analyses. The following S fractions were determined: (i) Sw; (ii) Sads;...