[PDF] Top 20 Phosphate fertilization and phosphorus forms in an Oxisol under no-till
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Phosphate fertilization and phosphorus forms in an Oxisol under no-till
... increase in acidity by the removal of ex- changeable basis, there is an increase in Fe and Al ac- tivity and the more soluble fractions of P bound to Ca are converted to ... See full document
7
Phosphorus loss by surface runoff in no-till system under mineral and organic fertilization
... used in the state of Paraná, Brazil, and it has increased the nutrients level at the soil ...runoff and consequently, off- site water ...evaluate phosphorus loss in surface runoff by ... See full document
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LIMING AND IONIC SPECIATION OF AN OXISOL UNDER NO-TILL SYSTEM
... carbon and nutrients, mainly Ca and Mg (Bertol et ...area under NT in Brazil has grown in the last few ...been an increase in studies about liming in NT, focusing ... See full document
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PHOSPHORUS SOURCES AND FRACTIONS IN AN OXISOL UNDER NO-TILLED SOYBEAN
... resulted in greater con- tents of occluded P, although differences were ob- served only in the 10 - 20 cm layer (Table ...differences in organic P contents between the treatments within a particular ... See full document
7
Forms oF InorganIc PhosPhorus In soIl under dIFFerent long term soIl tIllage systems and wInter croPs (1)
... mineral phosphate (tiessen et al., 1984). however, in more weathered soils, the decomposition and mineralization of forest litter and soil organic matter come to be the primary sources of P, ... See full document
12
Seed phytate content and phosphorus uptake and distribution in dry bean genotypes
... contents in grain without reducing the con- tent of ...P in the form of ...other forms of P, and can thus provide clues as to the regulation of phytate synthe- ...sis. In fifty ... See full document
8
FORMS OF PHOSPHORUS IN AN OXISOL UNDER DIFFERENT SOIL TILLAGE SYSTEMS AND COVER PLANTS IN ROTATION WITH MAIZE
... fraction in the soil samples collected in the rainy season in relation to those collected in the dry season for the no-tillage system with the use of ...brasiliensis and R. sativus, ... See full document
8
SILICATE AND PHOSPHATE COMBINATIONS FOR MARANDU PALISADEGRASS GROWING ON AN OXISOL
... ) in acid soils enhances phos- phorus availability to the plants, decreasing the fixa- tion of the ortophosphate ion (Carvalho, ...1999). In a study related to the interaction of silicate-phosphorus ... See full document
7
MOBILITY OF INORGANIC AND ORGANIC PHOSPHORUS FORMS UNDER DIFFERENT LEVELS OF PHOSPHATE AND POULTRY LITTER FERTILIZATION IN SOILS
... collected and the aliquots centrifuged at 2,606 g for 15 min and the supernatant filtered through millipore membrane, where the P forms were fractionated in reactive (Pi) and ... See full document
11
Phosphorus behavior on an Oxisol fertilized by phosphate alkaline biosolid and cultivated with common bean
... sludge in soil and, despite the fact that they were applied separately to mineral phosphorus sources, they found very similar results to those obtained in the present ...mineral ... See full document
8
Rhizosphere pH and phosphorus forms in an Oxisol cultivated with soybean,
... to fertilization with rock phosphate, including responses through alteration of the attributes of rhizospheric ...alterations and alterations in the contents of forms of ... See full document
6
TENSILE STRENGTH, FRIABILITY AND ORGANIC CARBON IN AN OXISOL UNDER A CROP-LIVESTOCK SYSTEM
... increases in SOC cause a decrease in soil friability (Figures 2b, c and d), probably due to the aggregat- ing effects of ...SOC and its interaction with inorganic soil components, especially ... See full document
7
Phosphorus fertilization in sugarcane cultivation under different soil managements Paulo R. de Sousa Junior
... colloids and the phosphate ion, and decreasing the adsorption, which is ...Hence, fertilization management must favor the absorption, reduce the processes of fixation by the soil and, ... See full document
5
PHYSICAL QUALITY OF AN OXISOL UNDER DIFFERENT USES
... changes in the physical properties according to the management, tillage intensity and type of ...properties and evaluate the physical quality by the S index, an indicator proposed by Dexter ... See full document
8
Soil water, Diviner 2000, Lycopersicon
... expressed in °Brix (± ...M and expressed in g citric acid 100 mL −1 of pulp. In order to establish the balance between sugar content and acidity of fruits, the SS/TA ratio was ...M ... See full document
8
A magnesium based phosphate binder reduces vascular calcification without affecting bone in chronic renal failure rats.
... treatment and effective phosphate binding, however, was proven and had an impact in the high phosphorus diet group: administration of this diet in vehicle treated animals ... See full document
9
The effects of land use and soil management on the physical properties of an Oxisol in Southeast Brazil
... CT and NT systems decreased SOC content and SOC stock in comparison to those under FO (Table ...disturbance and exposed the SOC to degradation by oxidation, mineralization, or by ... See full document
11
No-till corn performance in response to P and fertilization modes
... evaluated and leaves were collected - ten leaves per plot - removing the leaf immediately below and opposite the spike (flag leaf) for chemical analysis of P level, as described by Malavolta et ...length ... See full document
6
DYNAMICS OF HERBACEOUS VEGETATION IN CAATINGA MANIPULATED WITH GRAZING EXCLUSION UNDER PHOSPHATE FERTILIZATION
... Mannetje and Haydock (1963), adapted by Jones and Hargreaves (1979), for estimated floristic ...present in a 1 m × 1 m polyvinylchloride (PVC) cane frame, arranged randomly in each grazing ... See full document
13
Forms of organic phosphorus in wetland soils
... forms as a percentage of total P. Ordination using PCA, produced two axes which to- gether accounted for 65 % of the observed variance in P composition of wetland soils. Superimposing the biplot of the ... See full document
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