Co-implementation of tillage and precision nutrient management practices on crop yield of kharif maize (Zea mays)

BANAVATH MAHESH NAIK; MRITUNJAY KUMAR; KARTHIKA M; S K SINGH; NAVNIT KUMAR; NAWAL KISHOR RAY

doi:10.56093/ijas.v93i10.110907

Authors

BANAVATH MAHESH NAIK Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India
MRITUNJAY KUMAR Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India
KARTHIKA M Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India
S K SINGH Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India
NAVNIT KUMAR Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India
NAWAL KISHOR RAY Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar 848 125, India

https://doi.org/10.56093/ijas.v93i10.110907

Keywords:

Conservation tillage, Precision nutrient management, Permanent bed, Path analysis, Yield enhancement

Abstract

Our accustomed agricultural practices of tilling the soil continuously and excessive fertilizer applications caused not only a decrease in organic carbon content and soil degradation but also disturbed environmental harmony. With this backdrop, current study was carried out during rainy (kharif) seasons of 2018 and 2019 at the research farm of Trihut College of Agriculture, Dholi, Pusa, Bihar to evaluate the effect of different tillage and nutrient management practices on maize (Zea mays L.). The experiment was laid out in split-plot design with tillage as the main plot and nutrient management as the sub-plot. The results showed significantly superior maize grain yield in PB (6.1, 6.2 mg/ ha) and 60% RDN+GSGN (6.0, 5.9 mg/ha) over CT (4.9, 5.0 mg/ha) and RDF (5.1, 5.4 mg/ha) during 2018 and 2019. Similar trend was followed in stover yield, net returns and B:C ratio. Among path analysis, harvest index and no of grains/cob observed largest direct path coefficient of yield attributes to determine the maize grain yield and stover yield respectively. The results suggest that the adoption of conservation tillage and precise nutrient management practices will help in the realization of better yield with maximum profit by way of reducing the input capital apart from improving soil health thereby sustaining natural resources for future generations.

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References

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