An Asian Journal of Soil Science

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Fertilizer Optimization for Hybrid Sunflower under Irrigated Condition


Affiliations
1 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T. N.), India
2 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T. N.), India
     

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This study was undertaken to optimize macronutrient requirement of hybrid sunflower for harvesting maximum yield and oil content in irrigated condition. For this purpose a field experiment was conducted at Oilseed Research Station, Tindivanam, Tamil Nadu Agricultural University. Experiment comprised of macronutrient treatments consisted of five levels of nitrogen (0, 30, 60, 90 and 120 kg N ha-1), four levels of phosphorus (0, 30, 60 and 90 kg P2O5 ha-1) and four levels of potassium (0, 30, 60 and 90 kg K2O ha-1). Increasing levels of N, P, K increased yield, yield components and oil content. Maximum seed yield (1170 kg ha-1) and oil content (41.4 %) was recorded with NPK @ 120:90:90 kg ha-1 (T7). Treatment T7 proved its superiority by recording 12.5 per cent increased seed yield and 13.1 per cent increased oil yield over recommended dose of fertilizers (T10) i.e. NPK @ 60:90:60 kg ha-1. Hence NPK @ 120:90:90 kg ha-1 (T7) was observed most suitable to obtain maximum quantitative and qualitative yield of hybrid sunflower under irrigated condition.

Keywords

Fertilizer Optimization, Hybrid Sunflower, Macronutrient Management, Nutrient Uptake.
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  • Fertilizer Optimization for Hybrid Sunflower under Irrigated Condition

Abstract Views: 280  |  PDF Views: 0

Authors

Aditya Kumar
Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T. N.), India
V. V. Krishnamurthi
Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T. N.), India

Abstract


This study was undertaken to optimize macronutrient requirement of hybrid sunflower for harvesting maximum yield and oil content in irrigated condition. For this purpose a field experiment was conducted at Oilseed Research Station, Tindivanam, Tamil Nadu Agricultural University. Experiment comprised of macronutrient treatments consisted of five levels of nitrogen (0, 30, 60, 90 and 120 kg N ha-1), four levels of phosphorus (0, 30, 60 and 90 kg P2O5 ha-1) and four levels of potassium (0, 30, 60 and 90 kg K2O ha-1). Increasing levels of N, P, K increased yield, yield components and oil content. Maximum seed yield (1170 kg ha-1) and oil content (41.4 %) was recorded with NPK @ 120:90:90 kg ha-1 (T7). Treatment T7 proved its superiority by recording 12.5 per cent increased seed yield and 13.1 per cent increased oil yield over recommended dose of fertilizers (T10) i.e. NPK @ 60:90:60 kg ha-1. Hence NPK @ 120:90:90 kg ha-1 (T7) was observed most suitable to obtain maximum quantitative and qualitative yield of hybrid sunflower under irrigated condition.

Keywords


Fertilizer Optimization, Hybrid Sunflower, Macronutrient Management, Nutrient Uptake.

References