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International Journal of Agricultural Research
  Year: 2007 | Volume: 2 | Issue: 8 | Page No.: 704-711
DOI: 10.3923/ijar.2007.704.711
Dry Matter Production, Nutrient Uptake and Yield of Rice Crop Influenced by Previous Season Sesame Crop
L. Gurusamy, K. Omar Hattab, N. Gunasekhar, P.S. Vijayakumar and V.B. Muthukumar

Abstract:
A field experiment was conducted in loamy sand soils to study the impact of sesame crop on the dry matter production, nutrient uptake and yield of succeeding rice crop during the year 2004-05 in two consecutive seasons in a Factorial Randomized Block Design (FRBD). The field was divided into 60 plots and in the Summer season, sesame crop was raised in 30 plots and the other 30 plots were kept fallow. In the next season (Kharif), the rice crop was raised in all the 60 plots of two different situations viz., with sesame as previous crop (Situation I) and without sesame as pervious crop (Situation II) with two rice cultivars viz., ADT 38 and KR 99001 and five levels of nitrogen (N) viz., 0, 50, 100, 150 and 200 kg N ha-1. The Dry Matter Production (DMP) at Active Tillering (AT) stage was high in situation II over situation I and not so at Panicle Initiation (PI) stage, might be due to low nutrient status at AT caused by previous season sesame crop’s removal, might be overcomed at PI by the nutrient addition from mineralizing sesame stubbles. The variation in the situations did not bring any significant variation in grain yield, but slightly higher yield was noticed in situation II over situation I. Both ADT 38 and KR 99001 manifested higher yields at 150 kg N ha-1 in both the situations revealed the fact that this level of N is sufficient for better growth and development of rice crop. The straw yield was comparable in both the situations. The nitrogen and potassium (K) uptake was equal under both the situations at AT and PI but phosphorous (P) was accumulated more in situation II at AT but comparable at PI. This might be due to initial low requirement of nutrients met by inorganic sources and later the situation I managed the nutrients lost in previous season with mineralization process, whereas the phosphorous, though applied as basal might not fully available in the initial stages itself, might be fixed. The nutrient uptake by straw was higher in situation II owing to higher DMP but grain uptake was comparable because of genetic nature.
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How to cite this article:

L. Gurusamy, K. Omar Hattab, N. Gunasekhar, P.S. Vijayakumar and V.B. Muthukumar, 2007. Dry Matter Production, Nutrient Uptake and Yield of Rice Crop Influenced by Previous Season Sesame Crop. International Journal of Agricultural Research, 2: 704-711.

DOI: 10.3923/ijar.2007.704.711

URL: https://scialert.net/abstract/?doi=ijar.2007.704.711

 
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