Islam, M. and Mohsan, S. and Ali, S. and Khalid, R. and Afzal, S. (2012) Response of Chickpea to Various Levels of Phosphorus and Sulphur under Rainfed Conditions in Pakistan. Romanian Agricultural Research (29). pp. 1-9.
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Abstract
Balanced fertilizer use is the key to get maximum crop yield. It is very important to work out optimum level of each nutrient application since there may be positive (synergistic) or negative (antagonistic) interaction between them. A field experiment was conducted at Barani Agriculture Research Institute Chakwal, Pakistan for two years to assess the seed yield, agronomic efficiency and nutrient recovery by chickpea (Cicer arietinum L.). The treatments comprised three levels (0, 40 and 80 kg P2O5 ha-1) of phosphorus and three levels (0, 15 and 30 kg S ha-1) of sulphur from two sulphur sources (gypsum and ammonium sulphate) in different combinations. The trial was laid out according to randomised complete block design with split-split plot arrangement. Application of phosphorus and sulphur resulted in significant increase in seed yield by 29 and 12% over control, respectively. The economic optimum dose of phosphorus and sulphur, as calculated from quadratic response equations ranged from 56 to 58 and 32 to 53 kg ha-1 respectively. Effect of combined application of phosphorus and sulphur was synergistic at both nutrient application rates of P40S15 and P80S30. Agronomic efficiency and sulphur recovery were higher due to combined application of phosphorus and sulphur as compared to individual ones. Phosphorus recovery was higher at lower level of phosphorus (40 kg P2O5 ha-1) as compared to higher level (80 kg P2O5 ha-1). Value cost ratio was less than 2 for sole application of higher level of phosphorus. A fertilizer combination of P80S30 was more economical and cost effective
| Item Type: | Article |
|---|---|
| Author Affiliation: | National Fertilizer Development Centre,Islamabad,University of Arid Agriculture, Rawalpindi, Soil and Water Testing Laboratory, Rawalpindi, Soil and Water Testing Laboratory, Attock, Pakistan |
| Subjects: | Plant Production Plant Physiology and Biochemistry > Biochemistry |
| Divisions: | Chickpea |
| Depositing User: | Mr. SanatKumar Behera |
| Date Deposited: | 23 Jul 2012 07:44 |
| Last Modified: | 23 Jul 2012 07:46 |
| Official URL: | http://www.incda-fundulea.ro/rar/rar29.htm |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6929 |
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