Year: 2015
Type: article
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 P 2 O 5 ha -1 ) and four levels of potassium (0, 30, 60 and 90 kg K 2 O 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 (T 7 ). Treatment T 7 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 (T 10 ) i.e. NPK @ 60:90:60 kg ha -1 . Hence NPK @ 120:90:90 kg ha -1 (T 7 ) was observed most suitable to obtain maximum quantitative and qualitative yield of hybrid sunflower under irrigated condition.
Source: AN ASIAN JOURNAL OF SOIL SCIENCE
Authors: ADITYA KUMAR, V.V. KRISHNAMURTHI
Institution: Tamil Nadu Agricultural University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W2328425645