Fertilization strategies with phosphorus, nitrogen and sulfur in an agricultural rotation under no tillage (Pergamino, Argentina)

Objective
Evaluate direct and residual effects of the application of different fertilization strategies with phosphorus, nitrogen and sulfur on crop yields and soil properties evolution in an agricultural rotation under no-tillage
Data Access Statement
Available to collaborators only
Data license
Don't know
Data policy
Don't know
Organization
Instituto Nacional de Tecnología Agropecuaria
Research organisation
Person
Ing. Agr., MAgrSc Manuel Ferrari
Principal investigator
INTA-Argentina
Estación Experimental Agropecuaria Pergamino

Site: INTA Pergamino (Argentina)

Type
research station field
Location
Pergamino
Buenos Aires
Argentina
Geographic location
-33.9578333, -60.5765083333333
© OpenStreetMap contributors
Elevation
64 Metres
Visits permitted?
Yes
Visiting arrangements
Contact: Ing. Agr. Manuel Ferrari (ferrari.manuel@inta.gob.ar)
History
Long time under continuous cropping, the last years with no tillage
Management
Continuous no tillage
Soil type
unknown
Soil description
Typic Argiudoll
Climatic type
humid subtropical climate

Design period: Split-plot (2001—)

Design Type
Split-plot
Description
Field experiment with rather large subplot dimensions (7 m x 35 m), conducted under continuous no tillage with a Maize - Full season soybean - Wheat/Double cropped soybean. Four combinations of N and S fertilization are compared in sub-plots
Number of plots
8
Number of subplots
32
Number of replicates
4
Number of harvests per year
2
Crops
CropYears grown
wheat
maize
soybeans
Crop Rotation
Unnamed
  • 1
    maize
  • 2
    soybeans
  • 3
    wheat
    soybeans
Factors
Factor name
Factor levels
P fertilization
In the main plots, two P fertilizer treatments are compared.
Pr
No P fertilizer
Pa
P fertilizer rate to match nutrient removal in grain
nitrogen fertilizer exposure
Applied in the subplots factorially with S.
N0  (0 )
No N fertilizer
N1  (100 kgN/ha)
To wheat and maize only.
sulfate fertiliser exposure
Applied in the subplots factorially with N
S0  (0 )
No S fertilizer
S1  (15 kgS/ha)
To wheat and maize only.
Measurements
VariableMaterialUnitsFrequencyScaleComment
Grain yield traitAll cropskg/haannually
Soil organic matterSoilg/kgannually
pHSoilannually
Extractable PSoilmg/kgannuallyBray and Kurtz 1-P
Nitrate-NSoilmg/kgannually (maize and wheat)
Sulphate-SNot specifiedmg/kgannually (maize and wheat)
Potential of N mineralizationSoilmg/kgbefore wheat drilling7-day anaerobic incubation test
N content in grainAll cropspercentannually
S content in grainAll cropspercentannually
P content in grainAll cropspercentannually
thousand grain weightAll cropsgannually