STUDIES ON NITROGEN ECONOMY IN NAPIER BAJRA HYBRID (Pennisetum purpureum x Pennisetum americanum ) THROUGH BIOFERTILIZERS UNDER MID HILL CONDITIONS OF HIMACHAL PRADESH
| dc.contributor.advisor | Kumar, Naveen | |
| dc.contributor.author | KUMAR, ASHWANI | |
| dc.date.accessioned | 2016-09-02T12:51:58Z | |
| dc.date.available | 2016-09-02T12:51:58Z | |
| dc.date.issued | 2010 | |
| dc.description | M.Sc. Thesis | en_US |
| dc.description.abstract | long term field experiment “Studies on nitrogen economy in Napier bajra hybrid (Pennisetum purpureum x Pennisetum americanum) through biofertilizers under mid hill conditions of Himachal Pradesh” at Research Farm of Fodder section, Department of Crop Improvement, CSK, Himachal Pradesh Krishi Vishvavidyalaya, Palampur under study since Kharif 2006 was maintained during Kharif 2009. Soil of the experimental site was silty clay loam in texture, acidic in reaction, medium in organic carbon, low in available nitrogen, medium in available phosphorus and high in available potassium. The experiment was laid out in factorial randomized block design with three replications, consisting of ten treatments i.e. three biofertilizer viz. Azospirillum, Azotobacter and Azospirillum + Azotobacter and three levels of nitrogen i.e. 25, 50 and 75 per cent of recommended nitrogen with one control i.e. 100 per cent of recommended nitrogen (90 kg ha-1). Plant height, number of shoots m-2, leaf: stem, green and dry fodder yields increased significantly with increasing levels of nitrogen upto 75 per cent of recommended nitrogen. Significantly highest green fodder (379.1 q ha-1) & dry fodder (79.8 q ha-1) yields and net return (Rs. 26372) were produced with 75 per cent of recommended nitrogen. This nitrogen level also resulted in significantly highest crude protein (7.83 q ha-1) and crude fibre (21.10 q ha-1) yields. Shoot number m-2, green fodder (335.0 q ha-1), dry fodder (68.5 q ha-1), crude protein (6.61 q ha-1) and crude fibre (18.28 q ha-1) yields were significantly higher with the application of Azospirillum + Azotobacter. Available soil nitrogen, phosphorus and potassium were increased significantly upto 75 per cent of recommended nitrogen. Organic carbon and available K were significantly higher with Azospirillum. Azospirillum + Azotobacter resulted in significantly highest net return (Rs. 23729) and B: C (2.43). Application of 75 per cent of recommended nitrogen with Azospirillum + Azotobacter proved superior from green fodder and dry fodder yields point of view. With respect to dry fodder yield the nitrogen response was obtained upto 75 per cent of recommended nitrogen with Azospirillum and Azospirillum + Azotobacter; however, with Azotobacter the response was obtained up to 50 per cent of recommended nitrogen. | en_US |
| dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/75165 | |
| dc.language.iso | en | en_US |
| dc.publisher | CSK Himachal Pradesh Krishi Vishavavidyalaya, Palampur | en_US |
| dc.sub | Agronomy | |
| dc.subject | <h1>You have exceeded your usage quota. Please contact gshukla [at] iitk.ac.in </h1> | en_US |
| dc.subject | Agronomy | en_US |
| dc.subject | <h1>You have exceeded your usage quota. Please contact gshukla [at] iitk.ac.in </h1> | en_US |
| dc.subject | Bajra | en_US |
| dc.title | STUDIES ON NITROGEN ECONOMY IN NAPIER BAJRA HYBRID (Pennisetum purpureum x Pennisetum americanum ) THROUGH BIOFERTILIZERS UNDER MID HILL CONDITIONS OF HIMACHAL PRADESH | en_US |
| dc.type | Thesis | en_US |