An Asian Journal of Soil Science

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Reducing Fertilizer Requirement With the Use of Bio-Fertilizers in Summer Pearl Millet [Pennisetum glaucum (L.)]


Affiliations
1 Micronutrient Project (ICAR), Anand Agricultural University, Anand (Gujarat), India
2 Agricultural Research Station, Anand Agricultural University, Derol, Panchamahal (Gujarat), India
     

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An experiment was conducted in summer season during 2008 at Anand Agricultural University, Anand. The soil was loamy sand in texture, low in organic carbon and available N, while medium in available P and high in available K. The treatment T7 (Azospirillum+75% RDF+10 t ha-1) recorded significantly higher plant height (171.41 cm). Similarly the total (6.48 plant-1) and effective tillers (4.43 plant-1) as well as length of earhead (22.25 cm) recorded significantly higher under the same treatment. The highest grain (4584 kg ha-1) and straw (10084 kg ha-1) yields were significantly registered under treatment T7. Similar to yield, the significantly highest N and P uptake by grain (76.81, 28.9 kg ha-1, respectively) and N uptake by straw (34.09 kg ha-1) of pearl millet was observed under T7 while it was true under T2 in case of P uptake (29.67 kg ha-1) by pearl millet straw. The highest net realization (Rs. 23885) was noticed due to 75% RDF+10t FYM ha-1 including Azospirillum as bio-fertilizer application compared to net income of Rs. 21174 under fertilizer application at 100% RDF+10t FYM ha-1. It is indicating more benefit besides reduction of chemical load i.e. 30 kg N and 15 kg P ha-1 with the inclusion of bio-fertilizer.

Keywords

Pearl Millet, Bio-Fertilizer, FYM.
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  • Reducing Fertilizer Requirement With the Use of Bio-Fertilizers in Summer Pearl Millet [Pennisetum glaucum (L.)]

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Authors

Y. C. Lakum
Micronutrient Project (ICAR), Anand Agricultural University, Anand (Gujarat), India
S. H. Patel
Agricultural Research Station, Anand Agricultural University, Derol, Panchamahal (Gujarat), India
P. V. Mehta
Micronutrient Project (ICAR), Anand Agricultural University, Anand (Gujarat), India

Abstract


An experiment was conducted in summer season during 2008 at Anand Agricultural University, Anand. The soil was loamy sand in texture, low in organic carbon and available N, while medium in available P and high in available K. The treatment T7 (Azospirillum+75% RDF+10 t ha-1) recorded significantly higher plant height (171.41 cm). Similarly the total (6.48 plant-1) and effective tillers (4.43 plant-1) as well as length of earhead (22.25 cm) recorded significantly higher under the same treatment. The highest grain (4584 kg ha-1) and straw (10084 kg ha-1) yields were significantly registered under treatment T7. Similar to yield, the significantly highest N and P uptake by grain (76.81, 28.9 kg ha-1, respectively) and N uptake by straw (34.09 kg ha-1) of pearl millet was observed under T7 while it was true under T2 in case of P uptake (29.67 kg ha-1) by pearl millet straw. The highest net realization (Rs. 23885) was noticed due to 75% RDF+10t FYM ha-1 including Azospirillum as bio-fertilizer application compared to net income of Rs. 21174 under fertilizer application at 100% RDF+10t FYM ha-1. It is indicating more benefit besides reduction of chemical load i.e. 30 kg N and 15 kg P ha-1 with the inclusion of bio-fertilizer.

Keywords


Pearl Millet, Bio-Fertilizer, FYM.