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Effect of Application of Graded Level of Phosphorus to Finger Millet - Maize Cropping System in Soils of Different P FertilityEffect of Application of Graded Level of Phosphorus to Finger Millet - Maize Cropping System in Soils of Different P Fertility

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Title Effect of Application of Graded Level of Phosphorus to Finger Millet - Maize Cropping System in Soils of Different P FertilityEffect of Application of Graded Level of Phosphorus to Finger Millet - Maize Cropping System in Soils of Different P Fertility
 
Creator M. Chandrakala, C.A. Srinivasamurthy, Sanjeev Kumar and D.V. Naveen
 
Subject different phosphorus fertility, graded levels, finger millet, maize, cropping system
 
Description RKVY Funded by state govt. of Karnataka
Fertilizers are one of the costly inputs but continue to exert significant contribution to
produce additional food grains. To realize maximum benefits and reduce nutrient losses
from fertilizers, they must be applied in the right quantity, source and combination at the
right time using the right method. An investigation on requirement of P for finger millet
and maize in EDZ of Karnataka was taken at UAS, Bangalore. Response of finger millet
and maize to graded levels of P was studied in the field by creating five phosphorus
fertility gradients viz., P0 (Very low), P1 (Low), P2 (Medium), P3 (High) and P4 (Very high)
(< 15: 16-30: 31-45: 46-60: > 60 kg P2O5 ha-1, respectively). Results revealed that,
application of 125% RDP with rec. NK&FYM recorded higher finger millet (31.66 and
55.32 q ha-1 grain and straw, respectively) and maize (78.26 q ha-1 grain) yield in high P
strip. Grain yield and harvest index of cropping system as a whole improved significantly
in FYM supplied plots. Phosphorus use efficiency in maize was higher than finger millet.
The higher use efficiency was recorded in very low gradient strip. Higher PUE among
treatments was obtained when P was applied at the rate of 75 % of recommended dose
along with rec. N&K. Application of 75 % rec. P + rec. N&K recorded higher B: C ratio in
both the crops and was the best and optimum P prescription for these crops as the P use
efficiency was also higher.
Not Available
 
Date 2020-06-30T08:04:29Z
2020-06-30T08:04:29Z
2017-12-01
 
Type Research Paper
 
Identifier https://doi.org/10.20546/ijcmas.2017.611.032
2319-7706
http://krishi.icar.gov.in/jspui/handle/123456789/37610
 
Language English
 
Relation Not Available;
 
Publisher Excellent publisher