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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Nov 2014, 35 (6)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Intercropping of aromatic crop Pelargonium graveolens with 

Solanum tuberosum for better productivity and soil health

 

 

Rajesh Kumar Verma1*, Ajai Yadav2, Ram Swaroop Verma2, Laiq-Ur Rahman1 and Khushboo Khan1

1CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow-226 015, India

2CSIR-Central Institute of Medicinal and Aromatic Plants, Research Centre, Pant Nagar-263 149, India

*Corresponding Authors Email : rajeshcimap@rediffmail.com

 

  

 

 

Publication Data

Paper received:

16 May 2013

 

Revised received:

24 September 2013

 

Accepted:

11 October 2013

 

Abstract

Farmers in hilly regions experience low production potential and resource use efficiency due to low valued crops and poor soil health. Geranium (Pelargonium graveolensL.) is a vegetatively propagated initially slow growing, high value aromatic crop. Potato (Solanum tuberosumL.) is also vegetatively propagated high demand cash crop. A field experiment was carried out in temperate climate to investigate the influence of geranium intercropping at different row strips (1:1 and 1:2) and plant density (60?45,75?45 and 90?45cm) with  potato intercrop on biomass ,oil yield, monetary advantage and soil quality parameters. The row spacing 60?45cm and row strip1:1 was found to be superior and produced 92 t ha-1and 14 kg ha-1 biomass and oil yield, respectively. The row strip 1:2 intercrop earned a maximum $2107, followed by      $ 1862 with row strip 1:1 at 60?45cm plant density. Significant variations were noticed in soil organic carbon (Corg), total N (Nt), available nutrients, soil microbial biomass (Cmic) and nitrogen (Nmic) content. Maximum improvement of Corg (41.0 %) and Nt(27.5%) with row strip 1:1 at 75 ? 45cm plant density. While higher soil respiration rate, Cmic, Nmic, and qCO2was found with 1:2 row strip at 60 ? 45 plant density. The buildup of Corg and Cmic potato intercrop can promote long term sustainability on productivity and soil health.

 

Key words

Aromatic crop, Inter cropping, Soil organic carbon, Soil respiration

 

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