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Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &<br />

Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

Conclusion<br />

The study concluded that irrigation at 15 CPE and 100% RDF along with Nano-Zn (10 ppm)<br />

can be recommended for higher productivity <strong>of</strong> potato. However, in water scarce region,<br />

irrigation at 45 CPE along with 100% RDF and Nano-Zn (10 ppm) may be effective due to<br />

highest water use efficiency.<br />

Effect <strong>of</strong> irrigation and nutrient management on growth, yield and water use efficiency<br />

<strong>of</strong> potato (pooled)<br />

Treatments<br />

Plant height<br />

(cm)<br />

(60 DAP)<br />

Dry matter<br />

(g m -2 )<br />

(90 DAP)<br />

Tuber no<br />

per hill<br />

Yield<br />

(t ha -1 )<br />

WUE<br />

(kg m -3 )<br />

Irrigation (I)<br />

I 1 (15 mm CPE) 57.93 476.72 7.71 19.57 4.70<br />

I 2 (30 mm CPE) 51.00 367.96 5.68 15.41 6.96<br />

I 3 (45 mm CPE) 47.07 297.23 4.46 12.31 8.03<br />

S. Em. (±) 0.19 4.78 0.05 0.11 --<br />

C. D. (P= 0.05) 0.73 18.75 0.19 0.41 --<br />

Nutrient Management (N)<br />

N 1 (100% RDF) 53.07 403.29 6.38 17.11 6.46<br />

N 2[75% RDF + NF (N, P, K)] 51.42 371.83 6.13 16.01 6.06<br />

N 3 (100% RDF+ N-Zn) 55.73 473.46 6.70 19.02 7.20<br />

N 4[75%RDF+NF (N, P, K, Zn)] 54.17 439.11 6.25 18.15 6.88<br />

N 5 [NF (N, P, K)] 45.60 215.49 4.28 8.53 3.23<br />

S. Em. (±) 0.14 3.70 0.05 0.12 --<br />

C. D. (P= 0.05) 0.40 10.79 0.15 0.34 --<br />

Interaction (I × N)<br />

I1N1 58.87 510.69 8.18 21.47 5.14<br />

I1N2 57.07 468.32 7.93 19.88 4.78<br />

I1N3 61.76 579.85 8.59 23.04 5.54<br />

I1N4 59.60 545.07 8.06 22.41 5.38<br />

I1N5 52.36 279.65 5.77 11.07 2.66<br />

I2N1 52.29 381.75 5.98 16.57 7.47<br />

I2N2 50.44 357.38 6.03 15.81 7.12<br />

I2N3 54.59 465.10 6.35 18.74 8.48<br />

I2N4 53.66 420.80 6.01 17.60 7.98<br />

I2N5 44.03 214.78 4.03 8.31 3.76<br />

I3N1 48.06 317.42 4.98 13.29 8.67<br />

I3N2 46.76 289.78 4.43 12.33 8.04<br />

I3N3 50.86 375.43 5.16 15.29 9.96<br />

I3N4 49.25 351.48 4.69 14.44 9.44<br />

I3N5 40.41 152.05 3.04 6.21 4.05<br />

I×N N×I I×N N×I I×N N×I I×N<br />

N×I<br />

S. Em. (±)<br />

0.20 --<br />

0.24 0.40 6.40 10.55 0.09 0.13 0.29<br />

C. D. (P= 0.05)<br />

0.59 --<br />

0.69 0.95 18.69 24.85 0.26 0.30 0.66<br />

NF: Nano Fertilizers, N-Zn: Nano Zn<br />

Emerging approaches (RS, AI, ML, Drones etc) for crop management &assessment<br />

742 | Page

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