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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad References Annonymous 2020. World agricultural production. United States Department of Agriculture. available at : https://apps.fas.usda.gov/psdonline/circulars/production. Bhatt R, Khera KL, and Arora S. 2004. Effect of Tillage and Mulching on Yield of Corn in the Submontaneous Rainfed region of Punjab, India. International Journal of Agriculture and Biology, 6: 26-28. Hadda, M.S., Khera, K.L. and Kukal, S.S. 2010. Soil and water conservation practices and soil productivity in North-Western sub-mountaneous tract of India: A review. Indian Journal of Soil Conservation, 28: 187-192. Subudhi, R. 2011. Effect of Conservation Trenches on Plantation Crop in Degraded Watershed in Kandhamal District of Odisha. Agrotechnol 2: 112. T4a-36P-1250 Influence of Medicinal Crops used as Groundcover Management of Guava Orchard on Soil Properties of Northern India. Manpreet Singh 1 *and Kanwaljit Singh 2 1 Department of Agriculture, Guru Nanak Dev University, Amritsar-143001 (India) 2 P.G. Department of Agriculture, Khalsa College Amritsar-143002 (India) *manpreetjatana88@gmail.com The conventional tillage or use of weedicides is a common practice to control weeds in an orchard but it is not considered a sustainable approach. Better and scientifically grown ground cover crops may have been proved to be valuable for the orchard environment which includes increased beneficial organism populations, improved soil organic matter and resilience and reduced soil sickness (Lemessa and Wakjira 2015). Intercropping is one of the techniques of land utilization for greater stability in production as well as help the farmers in maintaining the soil fertility level (Bhattnagar et al., 2007). The combination of medicinal plants provides another chance to study diversification of existing land use systems for beneficial environmental impacts and higher profits as related to sole cropping systems. Hence, the experiment was carried out to evaluate the reliable intercropping system in the guava orchard to upgrade the soil health. Methodology During 2019-20, the field experiment was conducted at the Horticulture Research Farm, Khalsa College Amritsar. The eight-year-old plantation of guava at 6 x 6 m spacing, inter-cropped with 645 | Page Resource conservation and rainfed agriculture
International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad six herbal medicinal plants crops. The data was analyzed by online OPSTAT software and LSD (least significant difference) was calculated at 5 per cent level of significance (Snedecor and Cochran 1967). Results There was a significant variation in bulk density of soil at both depths. The lowest bulk density was recorded in mentha and brahmi intercropped block (T4 and T2) which was on par with turmeric, lemongrass and stevia intercropped treatments (T4, T3 and T5). The sole treatments (T7) had higher bulk density values among all other treatments. Soil porosity varied from 47.80 to 49.81 % and 46.93 to 48.74 % from both depths 0-15 and 15- 30cm, respectively. While the intercropping of brahmi (49.81%) under guava-based system had significantly higher porosity which was very close to mentha intercropped blocks (49.56%) and at par with treatments T3, T5 and T6 and lowest value found in T7 (guava sole). The availability of N, P and K of soil at depth 0-15cm, were significantly higher under guavabased cropping systems in all the treatments than the guava sole (Fig.). Significantly maximum available N was recorded in T4, which was followed by T2 and the lowest available nitrogen was found in the T7 treatment. Avail. N Avail. P Avail. K 350 300 250 200 150 100 50 0 Guava + Aloe Vera Guava + Brahmi Guava + Lemongrass Guava + Mentha Guava + Stevia Guava + Turmeric Guava sole T1 T2 T3 T4 T5 T6 T7 Depth 0-15cm 646 | Page Resource conservation and rainfed agriculture
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Extended Summaries 22-24 December,
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Citation Rama Rao, C.A., Srinivasa
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Resilience through land and water m
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International Conference on Reimagi
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Theme- 2 Ecosystem based approaches
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