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Kumar, Sarwan
- Physiological Parameters, Leaf Area Index, Crop Growth Rate and Relative Growth Rate of Maize Grown Under Different Locations and Different Farming Practices in Himachal Pradesh
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Authors
Affiliations
1 Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
1 Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 47, No 2 (2021), Pagination: 198-205Abstract
A field experiment was conducted during kharif season 2016 at farmer’s fields in district Hamirpur. The experiment included 8 treatment combinations was conducted in random block design with three replications. The experiment was carried out during June to September in Bhoranj, Nadaun and Taunidevi blocks with different dates of sowing viz. Gwardu (L1) 30>sup>th May, Dhamrol (L2) 30>sup>st May, Mann trebest location. Higher crop growth rate (42.5 g/m2/day) and plant height (202.3 cm) were recorded in Nadaun block at Mann treti (Location L3) with 500-800 mm rainfall. The Farmers practice (FP2) showed significantly higher plant height (216.7 cm), leaf area index (1.91), crop growth rate (46.5 g/m2/day) and relative growth rate (0.0069 g/g/day). Farmer’s practice proved to be better than zero budget natural farming at all the three locations. Key words:Keywords
Farming Practice, Location, Maize, Physiological Parameters and Rainfall.Full Text
References
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- Influence of organic weed management practices on floristic diversity and shifts in maize –pea cropping system
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Authors
Affiliations
1 Department of Agronomy, College of Agriculture CSK Himachal Pradsh Krishi Vishvavidyalaya, Palampur-176 062,, IN
1 Department of Agronomy, College of Agriculture CSK Himachal Pradsh Krishi Vishvavidyalaya, Palampur-176 062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 189-195Abstract
Studies on weed flora changes were carried out in a long-term experiment in maize - peas cropping system under All India Coordinated Research Project on Weed Management (AICRP-WM) during October 2019 to September 2021 at Palampur. Ten weed control treatments viz. T -hoeing, T -stale seed bed + hoeing, T -raised 1 2 3 -1 stale seed bed + hoeing, T -mulch 5t ha , T -stale seed bed + mulch, T - raised stale seed bed + mulch, T - 4 5 6 7 intercropping (soybean in kharif and fenugreek in rabi), T -crop rotation (alternating soybean - mustard with 8 maize - peas), T -intensive cropping (additional crops of mustard in autumn and buckwheat in summer) and 9 T -chemical check (pendimethalin in rabi and atrazine in kharif) were evaluated for weed flora composition 10 and shifts in maize-peas cropping system. The weed flora were comprised of 14 species in rabi 2019-20 and 11 in -1’ -1 rabi 2020-21.’Raised stale seed bed + hoeing’and ‘mulch 5t ha in 2019 and ‘mulch 5t ha ’in 2020 were having highest number of weed species. In kharif 2019, the weed flora were comprised of 8 weed species and, in kharif -1’ 2021,14 species.‘Mulch 5t ha was having highest weed species in both seasons. There was considerable change in weed species compositions during the second year as compared to the first year. In rabi 2019-20, Vicia sativa (13%) and Tulipa asiatica (12%) and in rabi 2020-21, Tulipa asiatica (21%) and Spergula arvensis (15%) were the dominant weed species. In kharif 2020, Cyperus sp. (17%), Echinochloa colona, Polygonum alatum and Ageratum conyzoides 15% each, in kharif 2021 Cyperussp. (16%), Ageratum conyzoides(15%) and Commelina benghalensis (14%) were dominant. The Simpson’s index of diversity was highest under‘ mulch 5t ha -1 + hand weeding’and lowest under ‘chemical check’in all the seasons.Keywords
Weed distribution, organic, maize, pea .Full Text
References
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