Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad N 2 (Organic N 50% +Ferti N 50%) N 3 (fertilizer N 100 %) 15.687 19.95 18.46 18.03 38.36 47.35 45.78 43.83 16.71 20.47 19.22 18.80 42.79 46.88 45.65 45.11 Mean 15.22 19.21 18.07 38.17 45.25 44.44 Tillage Nutrient Tillage Nutrient T X N (T) (N) (T) (N) T X N SE+ 0.55 0.32 0.65 1.16 1.09 1.89 CD at 5% 1.17 0.65 NS 2.46 2.20 NS References Maruti Sankar, G. R., Sharma, K. L., Srinivas Reddy, Singh, K., Rathi B. S., Mishra, A., Brhera, B. D., Subudhi, C. R., Singh Bhagwan, Singh, H. G., Ashok Kumar Singh, Rusthsa, D. K., Yadawa M. S., Thyagaranj C. R., Mishra P. K., Suma Chandrika, M. and Venkateshwarlu, A. 2013. Efficient tillage and nutrient management practices for sustainable yields, profitability and energy use efficiency for rice-based cropping system in different soils and agro-climatic conditions. Expl Agric., 49 (2): 161–178 Cambridge University Press 2013 doi:10.1017/S0014479712001330 Page, A. L., Miller, R. H., and Keeney, D. R. 1982. Methods of soil analysis part 2. Chemical and microbiological properties 2 nd ed., Madison (WI), ASA and SSSA. Panse, V. G., and Sukhatme, P. V., 1967. Stastistical methods for Agricultural Worker 2 nd edition ICAR, New Delhi. Mittal, V. K, Mittal, J. P., Dhawan, K. C.1985. Research Digest on Energy Requirement in Agriculture, Sector, Coordinating cell, AICRP on energy requirement in Agriculture sector. Punjab Agriculture, University Ludhiana. 627 | Page Resource conservation and rainfed agriculture

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad T4a-29P-1540 Enhancing the Productivity of Rainfed Maize Through Different Planting Methods and Moisture Conservation Practices in The Shivalik Foothill Region of Punjab Mandeep Kaur* and Anil Khokhar Punjab Agricultural University-Regional Research Station, AICRPDA Centre Ballowal Saunkhri, Balachaur, Punjab 144521- India *mkabc121@gmail.com Maize (Zea mays L.) is one of the most important cereal crops in the world, after rice and wheat. It is called the “queen of cereals” due to its higher productivity and diverse uses. Maize is a major Kharif season crop in the northeastern part of the state, known as the Kandi region which has an area of 0.393 million hectares. In this region, only 25% area has assured irrigation and in the remaining area, it is grown as rainfed or with limited irrigation. Erratic rainfall, prolonged dry spell, late-onset, and early cessation of rain are the major determinant in maize production during kharif season. Maize is sensitive to both water logging and moisture stress. Moisture shortage due to prolonged dry spells lead the crop to stressed conditions which affect mineral nutrition, ion uptake and it also alters crop physiological and biochemical behaviour. Thus, some cultural practices are required to protect the crop from prolonged dry spells and excess rainfall. The sowing method is an important factor responsible for soil moisture storage, judicious use of water, good crop stands and so the crop growth. Planting methods are the most effective agronomic practices to reduce surface runoff and conserve the moisture in the crop root zone which can be used during moisture stress. In additionally, to planting methods, some other cultural practices such as moisture conservation techniques (mulching and earthing up) can help to cultivate this crop under challenging environments. Earthing up in maize at knee-high stage reduces competition from weeds and act as soil mulch after drying to conserve soil moisture by reducing evaporation. This may promote better establishment of crop and delay the surface drying which results in higher yields. Mulching is also an effective measure to conserve water and nutrient resources. Methodology The field experiment was conducted during Kharif season 2020 using PMH-1 cultivar in split plot design with four planting methods (flat planting, ridge planting, bed planting, and conservation furrow planting) as main plots and three moisture conservation practices (no intercultural, straw mulch @ 6 t ha -1 and earthing up) as subplot treatments at Ballowal Saunkhri. 628 | Page Resource conservation and rainfed agriculture

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