scholarly journals Changes in Soil Test Phosphorus and Phosphorus in Runoff From Calcareous Soils Receiving Manure, Compost, and Fertilizer Application With and Without Alum

Soil Science ◽  
2009 ◽  
Vol 174 (8) ◽  
pp. 445-455 ◽  
Author(s):  
April B. Leytem ◽  
David L. Bjorneberg
Keyword(s):  
Calcareous Soils ◽  
Fertilizer Application ◽  
Soil Test ◽  
Manure Compost ◽  
Soil Test Phosphorus

Factors Affecting Change in Soil Test Phosphorus Following Manure and Fertilizer Application

2007 ◽  
Vol 71 (4) ◽  
pp. 1225-1232 ◽  
Author(s):  
V. R. Haden ◽  
Q. M. Ketterings ◽  
J. E. Kahabka
Keyword(s):  
Fertilizer Application ◽  
Soil Test ◽  
Factors Affecting ◽  
Soil Test Phosphorus

Mapping Soil Test Phosphorus and Potassium for Variable-Rate Fertilizer Application

jpa ◽  
1994 ◽  
Vol 7 (4) ◽  
pp. 441-448 ◽  
Author(s):  
N. C. Wollenhaupt ◽  
R. P. Wolkowski ◽  
M. K. Clayton
Keyword(s):  
Fertilizer Application ◽  
Soil Test ◽  
Variable Rate ◽  
Phosphorus And Potassium ◽  
Soil Test Phosphorus

Phosphorus accumulation and leaching in two irrigated soils with incremental rates of cattle manure

2010 ◽  
Vol 90 (2) ◽  
pp. 355-362 ◽  
Author(s):  
B M Olson ◽  
E. Bremer ◽  
R H McKenzie ◽  
D R Bennett
Keyword(s):  
Bos Taurus ◽  
Irrigation Management ◽  
Calcareous Soils ◽  
Soil Test ◽  
Soil P ◽  
P Loss ◽  
Phosphorus Accumulation ◽  
Soil Test P ◽  
Soil Test Phosphorus ◽  
P Leaching

The risk of P leaching increases on land that receives manure at rates sufficient to meet crop N requirements, but calcareous subsoils may minimize P loss due to P adsorption. An 8-yr field experiment was conducted to determine the effects of different rates of manure on the accumulation and leaching of soil P in a coarse-textured (CT) soil and a medium-textured (MT) soil under typical irrigation management in southern Alberta. Treatments included a non-manured control and four rates of cattle (Bos taurus) manure (20, 40, 60, and 120 Mg ha-1 yr-1, wet-weight basis). In manured treatments, P addition ranged from about 80 to 450 kg P ha-1 yr-1, while P removal by annual cereal silage crops ranged from 15 to 22 kg P ha-1 yr-1. High soil test P (STP) concentrations occurred to a depth of 0.6 m at the CT site and 0.3 m at the MT site. Increase in STP concentration to 0.6 m was equivalent to 43% of net P input, and increase in total soil P was equivalent to 78% of net P input. Non-recovery of net P input suggests that P loss by leaching occurred at these sites and that leaching was more prevalent at the CT site. These calcareous soils have considerable potential to hold surplus P, but may still allow P leaching.Key words: Manure, phosphorus dynamics, soil test phosphorus, phosphorus leaching, soil texture

Improving the soil test phosphorus calibration for calcareous soils

1999 ◽  
Vol 30 (1-2) ◽  
pp. 129-144 ◽  
Author(s):  
M. Amrani ◽  
D. G. Westfall ◽  
L. Moughli
Keyword(s):  
Calcareous Soils ◽  
Soil Test ◽  
Soil Test Phosphorus

scholarly journals Corn Stover Removal Responses on Soil Test P and K Levels in Coastal Plain Ultisols

2021 ◽  
Vol 13 (8) ◽  
pp. 4401
Author(s):  
Jeffrey M. Novak ◽  
James R. Frederick ◽  
Don W. Watts ◽  
Thomas F. Ducey ◽  
Douglas L. Karlen
Keyword(s):  
Coastal Plain ◽  
Nutrient Removal ◽  
Fertilizer Application ◽  
First Year ◽  
Soil Test ◽  
Concentration Data ◽  
Extractable P ◽  
K Fertilizer ◽  
Soil Test P ◽  
K Concentration

Corn (Zea mays L.) stover is used as a biofuel feedstock in the U.S. Selection of stover harvest rates for soils is problematic, however, because excessive stover removal may have consequences on plant available P and K concentrations. Our objective was to quantify stover harvest impacts on topsoil P and K contents in the southeastern U.S. Coastal Plain Ultisols. Five stover harvest rates (0, 25, 50, 75 and 100% by wt) were removed for five years from replicated plots. Grain and stover mass with P and K concentration data were used to calculate nutrient removal. Mehlich 1 (M1)-extractable P and K concentrations were used to monitor changes within the soils. Grain alone removed 13–15 kg ha−1 P and 15–18 kg ha−1 K each year, resulting in a cumulative removal of 70 and 85 kg ha−1 or 77 and 37% of the P and K fertilizer application, respectively. Harvesting stover increased nutrient removal such that when combined with grain removed, a cumulative total of 95% of the applied P and 126% of fertilizer K were taken away. This caused M1 P and K levels to decline significantly in the first year and even with annual fertilization to remain relatively static thereafter. For these Ultisols, we conclude that P and K fertilizer recommendations should be fine-tuned for P and K removed with grain and stover harvesting and that stover harvest of >50% by weight will significantly decrease soil test M1 P and K contents.

Agronomic and environmental soil test phosphorus in manured and non-manured Manitoba soils

2007 ◽  
Vol 87 (1) ◽  
pp. 73-83 ◽  
Author(s):  
D. Kimaragamage ◽  
O O Akinremi ◽  
D. Flaten ◽  
J. Heard
Keyword(s):  
Iron Oxide ◽  
Surface Soil ◽  
Single Equation ◽  
Soil Samples ◽  
Soil Test ◽  
Regression Equations ◽  
Soil P ◽  
Soil Test Phosphorus ◽  
Bray 1 ◽  
Water Extractable

Quantitative relationships between soil test phosphorus (STP) methods are needed to guide P management especially in manured soils with high P. Our objectives were: (i) to compare amounts of P extracted by different methods; (ii) to develop and verify regression equations to convert results among methods; and (iii) to establish environmental P thresholds for different methods, in manured and non-manured soils of Manitoba. We analyzed 214 surface soil samples (0–15 cm), of which 51 had previous manure application. Agronomic STP methods were Olsen (O-P), Mehlich-3 (M3-P), Kelowna-1 (original; K1-P), Kelowna-2 (modified; K2-P), Kelowna-3 (modified; K3-P), Bray-1 (B1-P) and Miller and Axley (MA-P), while environmental STP methods were water extractable (W-P), Ca Cl2 extractable (Ca-P) and iron oxide impregnated filter paper (FeO-P) methods. The different methods extracted different amounts of P, but were linearly correlated. For an O-P range of 0–30 mg kg-1, relationships between O-P and other STP were similar for manured and nonmanured soils, but the relationships diverged at higher O-P levels, indicating that one STP cannot be reliably converted to another using a single equation for manured and non-manured soils at environmentally critical P levels (0–100 mg kg-1 O-P). Suggested environmental soil P threshold ranges, in mg P kg-1, were 88–118 for O-P, 138–184 for K1-P, 108–143 for K2-P, 103–137 for K3-P, 96–128 for B1-P, 84–111 for MA-P, 15–20 for W-P, 5–8 for Ca-P and 85–111 for FeO-P. Key words: Phosphorus, soil test phosphorus, manured soils, non-manured soils, environmental threshold

Soil test phosphorus as affected by phosphorus budgets in two long-term field experiments in Germany

2018 ◽  
Vol 218 ◽  
pp. 158-170 ◽  
Author(s):  
Theresa Zicker ◽  
Sabine von Tucher ◽  
Mareike Kavka ◽  
Bettina Eichler-Löbermann
Keyword(s):  
Field Experiments ◽  
Soil Test ◽  
Phosphorus Budgets ◽  
Soil Test Phosphorus ◽  
Term Field
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