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Testing critical phosphorus dilution curves for potato cropped in tropical Oxisols of southeastern Brazil
(2020-04-01)
One of the challenges of potato (Solanum tuberosum L.) production is to minimize phosphorus (P) fertilization without negatively affecting the yield progress. Therefore, critical P dilution curves [Pc = acW−b; where Pc is ...
Reactive natural phosphate enriched with filter cake enhances soil P content and noni seedlings growth
(Taylor & Francis As, 2018-01-01)
One of the major challenges in crop production is increase efficiency of non-renewable P sources, or replace them with renewable sources. The objective of this study is to evaluate the effects of phosphorus (P) fertilization ...
Desenvolvimento de spot test para determinação de fósforo em solos com quantificação por imagem digital
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilLicenciatura em QuímicaUTFPR, 2021-05-14)
Soil analyses are done to evaluate the availability of nutrients for plants and the reaction of the soil. It thus serves for the prescription of correctives and fertilizers. In general, plants need 16 elements for proper ...
TOTAL AND ORGANIC PHOSPHORUS IN CHILEAN VOLCANIC SOILS
(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2003)
Efeitos do fósforo do solo no desenvolvimento inicial de Genipa americana L.
(2003-12-01)
A greenhouse experiment was carried out to evaluate the effects of soil phosphorus in the development of plants of Genipa americana L. Five doses of P (0, 50, 100, 200, and 400 mg dm -3) were applied in pots with 10 dm 3 ...
Soil phosphorus dynamics as affected by Congo grass and P fertilizer
(Univ Sao Paolo, 2014-07-01)
Some plant species can change soil phosphorus (P) availability and this may be an important tool in managing tropical high fixing phosphorus soils. An experiment was conducted to evaluate phosphorus transformations in the ...
Effect of phosphorus applied as monoammonium phosphate-coated polymers in corn culture under no-tillage system
(2018-01-01)
The use of phosphate fertilizers as coated polymers reduces phosphorus losses that occur by adsorption of P to soil particles, thereby providing this essential nutrient for a longer period. The objective of this study was ...
Acid ammonium citrate as p extractor for fertilizers of varying solubility
(Revista Brasileira de Ciência do Solo, 2019)
Toxicity of the sawdust used for phosphorus recovery in a eutrophic reservoir: experiments with Lactuca sativa and Allium cepa
(Springer, 2021-01-06)
Eutrophication is one of the environmental problems arising from the increase of essential nutrient concentrations, mainly phosphorus and nitrogen. In contrast to excess phosphorus, the depletion of phosphate rock deposits ...
Unmodified cassava starches with high phosphorus content
(2021-09-30)
Our study was based on the fact that physiological changes in the plant resulting from the growth conditions alter the properties of the starch. An experimental trial was installed with cassava plants in poor phosphorus ...