The influence of organic fertilizers application on phosphorus and potassium bioavailabilit

Hanč, Aleš; Tlustoš, Pavel; Száková, Jiřina; Balík, J.

doi:10.17221/2786-pse

Cited by 15 publications

(11 citation statements)

References 18 publications

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“…Our results are also in agreement with Matula and Pechová (2007). Organic amendments increased the yields of oat as compared to mineral fertilizers (Hanč et al 2008). However, Ćustić et al (2003) observed no significant differences in yield after application of stable manure and mineral fertilizer to soil.…”

Section: Resultssupporting

confidence: 90%

Amelioration of salt affected soils in rice paddy system by application of organic and inorganic amendments

Shaaban¹,

Abid²,

Abou-Shanab³

2013

Plant Soil Environ.

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Combined application of organic and inorganic amendments was known to play a significant role in improvement of soil properties. A field experiment was conducted to explore the effects of gypsum, farmyard manure and commercial humic acid application on the amelioration of salt affected (saline sodic) soil. During this study, soil pH, electrical conductivity, sodium adsorption ratio, responses of root length and rice paddy yield were examined. Application of gypsum with or without farm manure and commercial humic acid decreased soil pH (8.26%), electrical conductivity (from 6.35 dS/m to 2.65 dS/m) and sodium adsorption ratio (from 26.56 to 11.60), and increased root length (from 9.17 cm to 22.6 cm) and paddy yield (from 695.7 kg/ha to 1644 kg/ha). A negative but significant correlation was observed between root length and electrical conductivity, sodium adsorption ratio (r = -0.93; -0.94, respectively, P ≤ 0.05), whereas positive and significant correlation with paddy yield (r = 0.96; P ≤ 0.05).

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Section: Resultssupporting

confidence: 90%

Amelioration of salt affected soils in rice paddy system by application of organic and inorganic amendments

Shaaban¹,

Abid²,

Abou-Shanab³

2013

Plant Soil Environ.

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“…Total Nutrient Content of the TPS A requirement to use organic amendments in a sustainable way is to quantify the amount of nutrients for plants that could be taken up by a crop [59]. Table 6 illustrates some of the main characteristics of the human compost (TPS) used to prepare the soil amendments before the addition of the biochars.…”

Section: Use Of Biochars Mixed With Compostmentioning

confidence: 99%

Variability of Physical and Chemical Properties of TLUD Stove Derived Biochars

et al. 2020

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Biochar is a carbon-rich organic material, obtained by the thermochemical conversion of biomass in an oxygen-limited environment, used as a soil amendment to stimulate soil fertility and improve soil quality. There is a clear need in developing countries for access to low cost, low technology options for biochar production, for example, top-lit updraft (TLUD) stoves, which are popular and spread worldwide. However, TLUD biochars are inevitably very variable in their properties for a variety of reasons. We present laboratory triplicate tests carried out on TLUD biochars obtained from waste pinewood and a Guadua bamboo. Analyzed properties include specific surface area (A-BET), porosity, skeletal density, hydrophobicity, proximal and elemental composition, cation exchange capacity (CEC), relative liming capacity and pH. SEM images of the bamboo and wood biochars are compared. The biochars were mixed with composted human excreta at 5% and 10% biochar content, and available water content (AWC) was analyzed. Operating temperatures in the TLUD were recorded, showing different behaviors among the feedstocks during the process. Differences in operating temperatures during charring of the bamboo samples seem to have led to differences in A-BET, hydrophobicity and CEC, following unprecedented trends. For the mixtures of the biochars with compost, at 5% biochar no significant differences were observed for AWC. However, in the 10% biochar mixtures, bamboo biochar showed an unexpectedly high AWC. Overall, variations of chemical and physical properties between bamboo biochars were greater, while pinewood biochars showed similar properties, consistent with more homogeneous charring temperatures.

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“…Apart from manure, slurry, sludge and other organic wastes (Hanč et al 2008, Kulhánek et al 2008, meat and bone meals (MBM) can be a viable alternative to phosphate fertilizers (Valenzuela et al 2001, Jeng et al 2006, Svoboda et al 2010, Chen et al 2011, Brod et al 2012, Nogalska et al 2012. Agricultural utilization of MBM has become an important consideration since a complete ban on the feeding of ruminant-derived protein to ruminants, which was introduced to control bovine spongiform encephalopathy (BSE).…”

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confidence: 99%

The effect of meat and bone meal on phosphorus concentrations in soil and crop plants

Nogalska¹,

Zalewska²

2013

PLANT SOIL ENVIRON

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A four-year field experiment was conducted in north-eastern Poland. The aim of the study was to determine the direct and residual effects of increasing doses of meat and bone meal (MBM) on the available phosphorus content of soil and the total phosphorus content in crops above ground biomass or grain. Experimental factor I was MBM dose (1.0, 1.5, 2.0 and 2.5 t/ha/year, and 2.0, 3.0, 4.0 and 5.0 t/ha/every second year), and experimental factor II was the year of the study (four consecutive years). The application of increasing MBM doses to slightly acidic soil insignificantly decreased its pH, but it did not change soil classification. The use of MBM as a fertilizer increased the levels of available phosphorus, compared to the treatments with mineral fertilization. The grain of winter triticale and winter wheat and the green matter of maize contained higher concentrations of phosphorus after the MBM application, in comparison to the plants receiving mineral fertilization. Phosphorus uptake by winter wheat and maize plants (dry matter basis) was higher in treatments with MBM (in particular applied every second year) than in treatments with NPK fertilization. Irrespective of the frequency of MBM application, phosphorus uptake by winter rapeseed was considerably lower, compared to the control plants.

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The influence of organic fertilizers application on phosphorus and potassium bioavailabilit

Cited by 15 publications

References 18 publications

Amelioration of salt affected soils in rice paddy system by application of organic and inorganic amendments

Amelioration of salt affected soils in rice paddy system by application of organic and inorganic amendments

Variability of Physical and Chemical Properties of TLUD Stove Derived Biochars

The effect of meat and bone meal on phosphorus concentrations in soil and crop plants

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