Phosphorus Loss
Controlling sprinkler irrigation runoff, erosion, and phosphorus loss with straw and polyacrylamide
... Applying PAM with irrigation water significantly reduced runoff, erosion and phosphorus loss when applied to either straw-covered or bare soil.. However, adding straw to the soil surface[r] ...
8
Modularised process based modelling of phosphorus loss at farm and catchment scale
... The loss of phosphorus from agricultural fields into water courses is of environmental concern as such losses, although agriculturally insignificant, may be environmentally damaging by encouraging ...
14
Phosphorus Loss Assessment in North Carolina
... soil phosphorus (P) levels in excess of that needed for optimal crop ...test phosphorus (STP) throughout the state ...the Phosphorus Loss Assessment Tool (PLAT) to estimate potential P ...
150
Removal of vegtative clippings reduces dissolved phosphorus loss in runoff
... sediment, phosphorus (P), and nitrogen (N) from agricultural irrigation returns (Lee, Isenhart, and Schultz 2003; Tate et ...sediment loss when using a VFS; providing an additional vegetative barrier before ...
12
Sensitivity of soil phosphorus tests in predicting the potential risk of phosphorus loss from pasture soil
... The variation in the results from the untreated control samples was larger for MRP w than for P Ac during the experiment. Fertilisation and subse- quent changes in salt concentration are most likely to cause greater ...
13
Refining the Phosphorus Loss Assessment Tool for the Organic Soils of North Carolina
... Research into the management of phosphorus (P) has accelerated over the past decade in response to the observed environmental repercussions of poor P management. Where animals are raised, manure is created and ...
215
Phosphorus loss potential and phosphatase activities in paddy soils
... Water total P. Phosphorus fertilizer increased the total P of paddy surface water, which may in- crease the loss risk of P runoff. Before the drainage in November 2010, the total P of paddy surface water in ...
7
Effects of liquid swine manure placement and rate on phosphorus loss with runoff water
... DP flow-weighted concentrations were also significantly greater for the high than the low rate of application; similar effect on mass losses of DP, however, were not statistically signif[r] ...
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Fate of compost nutrients as affected by co-composting of chicken and swine manures
... A b s t r a c t. Passive aeration co-composting using four mixtures of chicken manure and swine manure at 1:0, 1:1, 3:7 and 0:1 with sawdust and rice husk was carried out to study the effects of co-composting on the ...
8
Does scale matter? Cost effectiviness of agricultural nutrient abatement when target level varies
... Agriculture is facing stringent requirements for nutrient loss reductions. These reductions should be done cost-effectively. For instance, the European Water Framework Directive (WFD) emphasizes cost-effective- ...
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THE PHOSPHORUS TURNOVER OF CARCINOMA OF THE HUMAN STOMACH AS MEASURED WITH RADIOACTIVE PHOSPHORUS
... The phosphorus content and the rate of phosphorus turnover of non-cancerous gastric mucosa and of gastric carcinoma have been measured with the aid of radioactive phosphorus.. The rate o[r] ...
8
Investigation into the cause of spontaneous emulsification of a free steel droplet : validation of the chemical exchange pathway
... in phosphorus than the bulk material (from ...the phosphorus levels were seen to be drastically reduced (10 seconds ...of phosphorus removed is still significantly ...the phosphorus was held in ...
11
Utilizing Phosphorus(I) Methods Towards Phosphorus(III) Heterocycles and Phosphorus(I) Macromolecules
... a phosphorus-carbon dative bond and structure II is that of phosphaalkene with a phosphorus-carbon double ...where phosphorus is playing the role of metal in this ...
218
THE PARATHYROID GLANDS AND PHOSPHORUS HOMEOSTASIS
... The influence of changes in dietary phosphorus intake on intact and parathyroidectomized animals Table I gives values for plasma inorganic phosphorus concentration, urinary phosphorus ex[r] ...
15
Synthesis and Characterisation of N-Heterocyclic Carbene Adducts of PI Cations
... produced during the reaction generating a halo-phsphonium salt as a by-product; unfortunately, the presence of this by-product meant that none of the triphosphenium salts produced in this manner could be isolated, ...
106
An integrated approach to water quality management for agricultural catchments in Ireland
... 7.3.1 Phosphorus Control Strategies The 1984 plan Toner, 1984 recommended general strategies for phosphorus control for Cavan lakes: ¯ to make an inventory of sources of phosphorus, natu[r] ...
204
The influence factor of chemical phosphorus removal research
... effluent phosphorus was demanded below ...total phosphorus content, it still can not meet the effluent quality and also need further treatment by chemical ...for phosphorus removal and effects of ...
5
Phosphorus
... The movement of P from soil to surface waters is described, including the mechanisms of P release and pathways of P transfer from soil to water: this is not only affected by the soil P c[r] ...
27
Use less, lose less: obtaining and maintaining an environmentally and agronomically sustainable farming system with phosphorus
... tend to transport P through saturation excess surface run-off while high intensity, low frequency events tend to transport P via infiltration excess run-off. Following fertilisation P can accumulate in the surface soil ...
137
Efficacy of Phytase Preparations to Improve P Availability in Young Turkeys
... Ravindran et al. (1994) reported that phytate phosphorus constituted 56–77% of the total P of the studied plants ingredients. In plant-based diets, the use of inorganic phosphates can be reduced in cases where ...
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