Soils and Fertilizers
Phosphate Solubilization and Changes of Certain Attributes in Soils as Affected by Bio-organic Fertilizers
... Enhancing the availability of soil inorganic P to plant uptake is an important research subject, as well as with practical aspects. Reactive rock phosphates can provide a less expensive alternative to manufactured P ...
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Wheat Crop Response to Liming Materials and N and P Fertilizers in Acidic Soils of Tsegede Highlands, Northern Ethiopia
... phosphate fertilizers in the acidic soils without liming are not bringing the expected yield increment levels ...of fertilizers can be greatly affected by liming due to its effects in nutrient ...
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Reaction products of Phosphorous fertilizers in calcareous soils with different parent materials
... The transformation of added phosphorus into distinct fractions during incubation of three calcareous soils of different parent materials was studied. Applied phosphate transformed mostly into Pedogenic Ca-P ...
6
The effectiveness of recovered magnesium phosphates as fertilizers in neutral and slightly alkaline soils
... A number of wastewater P removal technologies exist, such as that outlined by Bowers and Westerman (2005a, 2005b), which utilizes a cone-shaped fl uidized bed crystallizer. How- ever, very few studies have evaluated the ...
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IMPACT OF THE BIOLOGICAL FERTILIZERS ON CHEMICAL INDEXES AND ENZYME ACTIVITIES OF SOILS AT CUCUMBERS
... N-fertilized soils, but they increase significantly when organic N is applied ...non-organic fertilizers, which contain nitrogen and phosphorus increases the activity of the enzymes dehydrogenase, alkaline ...
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Gross alpha and beta activities and trace heavy elemental concentration levels in chemical fertilizers and agricultural farm soils in Nigeria
... of fertilizers sold in Nigeria through their alpha and beta emissions and also in dif- ferent farm soils where they have been applied for agri- cultural purpose; 2) determine the trace heavy elemental ...
6
Matrix based fertilizers reduce nitrogen and phosphorus leaching in three soils
... These new fertilizer formulations do not depend on organic or inorganic coatings to reduce N and P leaching and with further testing and development could be more effective than commercial fertilizers. Although ...
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Potential of three microbial bio effectors to promote maize growth and nutrient acquisition from alternative phosphorous fertilizers in contrasting soils
... responsive soils for the three tested BEs were either alka- line or highly depleted in nutrients, and that a positive effect of the BEs was dependent on an input of P ferti- lizer under these ...tested ...
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Influence of Long-term use of Phosphate Fertilizers on Accumulation of Various forms of Phosphates in Brown Soils and Influence of Levels of Available Phosphates on Crop Yield in Crop Rotation
... phosphate fertilizers on the content and accumulation of various forms of phosphates in brown soils, and the influence of the levels of available phosphates on crop yields in crop ...light-brown ...
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Comparison of heavy metals contamination and ecological risk between soils enriched with compost and chemical fertilizers in the North of Iran and ecological risk assessment
... agricultural soils of some places of Babol in Mazandaran ...agricultural soils enriched with compost fertilizers were acceptable, but agricultural soils enriched with chemical ...
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Management of Water Saving and Organic based Fertilizers Technology for Remediation and Maintaining the Health of Paddy Soils and To Increase the Sustainability of Rice Productivity in Indonesia
... paddy soils not only reduces the soil biological power significantly, but also restricts the roots ...paddy soils in Indonesia has a low organic content (< ...the soils organic matter as heart of ...
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Assessment of the Levels of Some Trace Metals in Soils and Roots of Cassava Grown Under Usage of Agrochemicals in Some Parts of Benue State, Nigeria
... chemical fertilizers (single superphosphate fertilizers) and herbicides (mostly diuron and paraquat) on the levels of some heavy metals in soils and cassava roots cultivated in some farms in Otukpo, ...
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Comparative Study of the Effect of Chemical Fertilizers and Organic Fertilizers on Eisenia foetida
... organic fertilizers support higher earthworm populations by providing a nutrient rich substrate for earthworm populations, whether they feed directly upon the organic matter or upon the microorganisms which ...
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N2O emission and nitrogen and carbon leaching from the soil in relation to long term and current mineral and organic fertilization – a laboratory study
... mineral fertilizers were applied annually at the following annual rates: 90 kg N/ha (ammonium nitrate); 26 kg P/ha (triple superphosphate); 91 kg K/ha (potassium chloride ...mineral fertilizers (Hist-CaNPK) ...
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Vol 43, No 2 (2013)
... and fertilizers to rehabilitate tailing soils fertility, some risks of heavy metals (Co, Cr, Pb, Ni, Cd i As) accumulation in edible part of plants from tailings still ...in soils and to minimize ...
6
Greenhouse gas inventory of agriculture in the Czech Republic
... agricultural soils are derived from inorganic nitrogen-containing fertilizers, manure from animal breeding and ni- trogen contained in parts of agricultural crops that are returned to the ...
9
Evaluation of biowaste, chemical fertilizers and natural fertilizers and fuels on germination of seeds
... radiata DAP is not suitable. The growth of Vigna radiata is also less in the soil sample with urea and petrol in comparison to the control samples. Addition of petrol leads to increased levels of nitrogen nitrate and ...
5
Grass tetany
... These include: splitting applications of nitrogen and potassium fertilizers, liming acid soils, draining and aerating wet soils, planting grass:legume mixtures where feasible, using gras[r] ...
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Comparative Effects of Basalt Dust, NPK 20-10-10 and Poultry Manure on Soil Fertility and Cucumber (Cucumis sativus) Productivity in Bafut (Cameroon Volcanic Line)
... chemical fertilizers have boosted food production in the last century, their efficiency is limited by their low potential to remineralize and restore chemically depleted soils at long ...
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Survey on heavy metal concentrations and maturity indices of organic fertilizer in China
... organic fertilizers of maximum Cu, Zn, Cd, Pb and Cr concentrations would accumulate these heavy metals to the risk control standard for soil contamination of agricultural land (GB15618-2018) within a relatively ...
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