AICRP-LTFE Pattambi
This experiment has been added by the GLTEN Curators using existing published sources.
- Objective
- To study the long-term impacts of fertilizers on soil quality, crop productivity and sustainability.
- Description
- To study the impact of chemical fertilizer on productivity and soil quality, the Indian Council of Agricultural Research launched the All India Coordinated Research Project on Long-Term Fertilizer Experiments (AICRP-LTFE) in September 1970 at 11 centres. The network has been enlarged since and currently has 17 experiments located in different agroecological zones (AEZ) with important cropping systems. The network aims to monitor the changes in soil properties and yield responses and soil environment due to continuous application of plant nutrient inputs through fertilizers and organic sources, and also to develop strategies and policies for rational use and management of fertilizers to improve soil quality and to minimize environmental degradation.
- Data Access Statement
- Don't know
- Data license
- Don't know
- Data policy
- Don't know
- Organizations
- Indian Council of Agricultural Researchresearch organisationAll India Coordinated Research Project on Long-Term Fertilizer Experimentsresearch network
- Person
- Dr P.P. Moossaexperiment managerKerala Agricultural UniversityRegional Agricultural Station
Site: Pattambi
- Type
- research station field
- Location
- PattambiKeralaIndia
- Geographic location
- 10.81136, 76.190235
- Elevation
- 25 Metres
- Visits permitted?
- No
- Soil description
- Soil type is Alfisols and texture class is Typic Haplustalf
Design period: (1996—)
- Design Type
- Randomized complete block design
- Design description
- Plots measure 125 m2.
- Number of plots
- 12
- Number of replicates
- 4
- Number of harvests per year
- 2
- Crop
Crop Years grown rice - Crop Rotation
- Unnamed
- 1riceKharif seasonriceRabi season
- Factors
- Factor name
- Factor levels
- nitrogen fertilizer exposure Factor levels are percentages of recommended doses.
50% (45 kgN/ha)
Applied to crop: rice100% (90 kgN/ha)
Applied to crop: rice150% (135 kgN/ha)
Applied to crop: rice- phosphate fertilizer exposure Factor levels are percentages of recommended doses.
50% (10 kgP/ha)
Applied to crop: rice100% (20 kgP/ha)
Applied to crop: rice150% (30 kgP/ha)
Applied to crop: rice- potassium fertilizer exposure Factor levels are percentages of recommended doses.
50% (19 kgK/ha)
Applied to crop: rice100% (38 kgK/ha)
Applied to crop: rice150% (57 kgK/ha)
Applied to crop: rice- liming exposure
lime (600 kg/ha)
Applied to crop: rice- natural fertilizer exposure
farmyard manure (5 t/ha)
Applied to crop: riceApplication frequency: Kharif season annuallyChemical form: farmyard manuregreen manure
Applied to crop: riceApplication frequency: Annually for Kharif cropSesbania bispinosa (recorded in Jesma & Vivek (2020) as Sesbania aculeata).
- Factor combinations
- T1: 50% NPK
- nitrogen fertilizer exposure: 50%phosphate fertilizer exposure: 50%potassium fertilizer exposure: 50%
- T2: 100% NPK
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%potassium fertilizer exposure: 100%
- T3: 150% NPK
- nitrogen fertilizer exposure: 150%phosphate fertilizer exposure: 150%potassium fertilizer exposure: 150%
- T4: 100% NPK + lime
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%potassium fertilizer exposure: 100%liming exposure: lime
- T5: 100% NPK
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%potassium fertilizer exposure: 100%
- T6: 100% NP
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%
- T7: 100% N
- nitrogen fertilizer exposure: 100%
- T8: 100% NPK + FYM
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%potassium fertilizer exposure: 100%natural fertilizer exposure: farmyard manure
- T9: 50% NPK + FYM
- nitrogen fertilizer exposure: 50%phosphate fertilizer exposure: 50%potassium fertilizer exposure: 50%natural fertilizer exposure: farmyard manure
- T10: 100% NPK + green manure
- nitrogen fertilizer exposure: 100%phosphate fertilizer exposure: 100%potassium fertilizer exposure: 100%natural fertilizer exposure: green manure
- T11: 50% NPK + green manure
- nitrogen fertilizer exposure: 50%phosphate fertilizer exposure: 50%potassium fertilizer exposure: 50%natural fertilizer exposure: green manure
- T12: Control Unmanured
- Measurements
Variable Material Units Frequency Scale Comment grain yield trait rice soil properties Soil
Related publications
- Jesma V A and Vivek S. 2020. Analysis of Long Term Fertility Trials Using Split Plot Technique. Res. Jr. of Agril. Sci. 11(1): 96-98.
- Project report 2020
- Singh M., Wanjari R.H., Kumar U. (2021) Long-Term Fertilizer Experiments in India: Achievements and Issues for Future Research. In: Rakshit A., Singh S., Abhilash P., Biswas A. (eds) Soil Science: Fundamentals to Recent Advances. Springer, Singapore https://doi.org/10.1007/978-981-16-0917-6_39 [In English]
- Wanjari R.H., Singh M. (2019) Soil Sustainability and Quality Assessment from Long Term Fertilizer Experiments: A Step Forward to Improve and Revive Crop Productivity and Soil Health. PKV Res. J. Vol. 43 (1)