scholarly journals Soil micronutrient availability to crops affected by long-term inorganic and organic fertilizer applications

2014 ◽  
Vol 60 (No. 5) ◽  
pp. 198-203 ◽  
Author(s):  
B. Rutkowska ◽  
W. Szulc ◽  
T. Sosulski ◽  
W. Stępień
Keyword(s):  
Soil Solution ◽  
Field Trial ◽  
Organic Fertilizer ◽  
Farmyard Manure ◽  
Organic Fertilization ◽  
Manure Application ◽  
Nutritional Needs ◽  
Micronutrient Availability ◽  
Term Field

The effects of mineral and organic fertilization on the contents of Fe, Cu, Zn, Mn, B and Mo in soil and in the soil solution as well as on availability of these elements for crops were investigated in the long-term field trial. The highest contents of Zn, Fe, Mn and Cu in soil and soil solution were observed in the treatment with the lowest pH (NPK). In this same combination the content of B and Mo was the lowest. The concentration of Zn, B and Fe in the soil solution significantly increased under farmyard manure application. Liming significantly decreased contents extractable by 1 mol/L HCl forms of Mn and Zn and significantly increase the content of Mo in the soil. Regardless of fertilization applied, microelement concentrations in the soil solution are sufficient for fulfilling nutritional needs of plants cultivated during the trial.

scholarly journals Bromatology of Tifton 85 Grass Irrigated with Two Qualities of Water and under Organic Fertilization

2017 ◽  
Vol 9 (11) ◽  
pp. 172
Author(s):  
Maria Teresa Cristina Coelho do Nascimen ◽  
Joelma Sales dos Santos ◽  
Carlos Alberto Vieira de Azevedo ◽  
Vera Lucia Antunes de Lima ◽  
Rubens Barrichello Gomes Barbosa
Keyword(s):  
Crude Protein ◽  
Nutritional Value ◽  
Organic Fertilizer ◽  
Domestic Wastewater ◽  
Neutral Detergent Fiber ◽  
Organic Fertilization ◽  
Randomized Experimental Design ◽  
Nutritional Needs ◽  
Set Up ◽  
Higher Doses

The reuse of solid and liquid wastes has become a viable practice for the sustainability of agricultural production, because it meets the nutritional needs of crops and also allows the use of nutrients present in these residues. The objective of this work was to analyze the nutritional value of Tifton 85 irrigated with treated domestic wastewater and fertilized with nitrogen doses from poultry bed in four successive cuts, with frequency of 35 days. The experiment was set up in a protected environment, arranged in a completely randomized experimental design, in a 5 × 2 factorial scheme, with four replications. Five doses of nitrogen were tested through organic fertilization from avian beds (0, 15, 30, 45 and 60 kg N ha-1) and two irrigation water qualities (treated domestic well and artesian well). After the cuts the material was dried and sent to the laboratory to determine the following parameters: crude protein (CP), neutral detergent fiber (NDF) and Tifton 85 acid detergent fiber (ADF). The highest values of crude protein were obtained using the domestic wastewater treated in the irrigation, as well as using the higher doses of nitrogen from poultry litter. Just as the NDF and ADF contents presented the best values when treated domestic wastewater and the highest nitrogen doses. Indicating that irrigation with wastewater and the use of organic fertilizer may substitute for conventional manures by promoting satisfactory levels of concentrations for fodder.

Impact of Long-Term Organic Fertilizer Application on Lignin in Mollisol

2010 ◽  
Vol 113-116 ◽  
pp. 1332-1335 ◽  
Author(s):  
Ning Liu ◽  
Hong Bo He ◽  
Hong Tu Xie ◽  
Zhen Bai ◽  
Xu Dong Zhang
Keyword(s):  
Organic Carbon ◽  
Organic Fertilizer ◽  
Fertilizer Application ◽  
Carbon Pools ◽  
Organic Fertilization ◽  
Degradation Degree ◽  
Northeast Of China ◽  
The Impact ◽  
Cuo Oxidation

Fertilization is one of the essential managements to maintain and increase soil organic carbon (SOC) level in agroecosystems. It has been realized that fertilizer applications influenced the turnover of labile and refractory organic carbon pools in arable soil markedly. However, the dynamic of relatively refractory lignin in response to fertilization is still kept unclear. Therefore, the impact of long-term organic fertilization on the content and degradation degree of lignin in Mollisol was investigated. Lignin monomers were released by alkaline CuO oxidation method and quantified by gas chromatography (GC). At the time scale of decades, lignin was clearly accumulated in soil and the relative accumulation of lignin in SOC was evident after long-term organic fertilizer application. Compared with the unfertilized soil, lower acid to aldehyde ratios of vanillyl and syringyl units induced by organic fertilization suggested a lower degradation degree of lignin incorporated into soil to some extent. It could be concluded that long-term organic fertilization was an effective fertilizer practice for lignin accumulation in soil and SOC sequestration in Mollisol in northeast of China.

scholarly journals Discrimination of conventional and organic white cabbage from a long-term field trial study using untargeted LC-MS-based metabolomics

2014 ◽  
Vol 406 (12) ◽  
pp. 2885-2897 ◽  
Author(s):  
Axel Mie ◽  
Kristian Holst Laursen ◽  
K. Magnus Åberg ◽  
Jenny Forshed ◽  
Anna Lindahl ◽  
...  
Keyword(s):  
Field Trial ◽  
White Cabbage ◽  
Term Field

Changes in soil biological and biochemical characteristics in a long-term field trial on a sub-tropical inceptisol

2006 ◽  
Vol 38 (7) ◽  
pp. 1577-1582 ◽  
Author(s):  
R. Ebhin Masto ◽  
P.K. Chhonkar ◽  
Dhyan Singh ◽  
A.K. Patra
Keyword(s):  
Field Trial ◽  
Biochemical Characteristics ◽  
Term Field

scholarly journals The influence of fertilisation and crop rotation on soil microbial characteristics in the long-term field experiment

2009 ◽  
Vol 55 (No. 1) ◽  
pp. 11-16 ◽  
Author(s):  
O. Mikanová ◽  
M. Friedlová ◽  
T. Šimon
Keyword(s):  
Crop Rotation ◽  
Urease Activity ◽  
Nitrogenase Activity ◽  
Farmyard Manure ◽  
Soil Microbial ◽  
Microbial Characteristics ◽  
Rotation Field ◽  
Term Field

Soils were sampled from the plots with four variants of fertilisation: Nil – without fertilisation, NPK – mineral fertilisation, FYM – farmyard manure, FYM + NPK – farmyard manure with mineral fertilisation, and two variants of crop rotation: field IV – classical 9-year crop rotation, field B – 2-year rotation of alternative growing. Determination of urease, CFU of <I>Azotobacter</I> spp. and potential nitrogenase activity was conducted during the period 1999–2004. The urease activity was positively affected by manure fertilisation (FYM) and by the combination of FYM + NPK. The statistically significantly highest counts of <I>Azotobacter</I> spp. and the highest nitrogenase activity were determined on field B in variants FYM and FYM + NPK. The results show that there was a higher amount of accessible nitrogen present on field IV than on field B. This might explain the lower counts of <I>Azotobacter</I> spp. and therefore the lower nitrogenase activity. According to our results, activity of urease, CFU of <I>Azotobacter</I> spp. and potential nitrogenase activity are very closely connected with N inputs.

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