Paddy- wheat crop rotation is dominant in the Punjab state covering about 28.40 lakh hectares of cultivable land. This paddy–wheat rotation also assesses the potential of new technology i.e. happy seeder technology to address the problem. The straw management system should be necessary for all the combine harvesters. The total 28 field demonstrations on happy seeder technology were conducted in village Killi Nihal Singh of district Bathinda of Punjab state during the years 2013-14 & 2014-15.The results showed that by using this technology, the nutrients i.e Urea, DAP and Potash fertilizer were saved worth Rs. 424.15, Rs.366.25 and Rs.1989 respectively totaling the amount to Rs.2779.40 per hectare besides improving the physical properties over longer period of time. The highest incremental B: C ratio of happy seeder plots were 4.36 during the year 2013-14. Apart from saving the burning of the paddy straw, the happy seeder technology was able to save Rs.2311.25 per hectare over the normal sown wheat during the field preparation, sowing and management operations of the crop. In the context of burning of paddy straw, this happy seeder technology is a new initiative under taken by Krishi Vigyan Kendra Bathinda for checking of environmental pollution which will be beneficial for the society as a whole because. Bathinda district lies in the south-western region of Punjab which is not much mechanized in agriculture as compared to other districts of the state.
A field experiment was conducted during Rabi 2011-12 at the experimental farm of Department of Agronomy, Forages and Grassland Management CSKHPKV, Palampur Himachal Pradesh to study the "Response of brown sarson (Brassica campestris var. brown sarson) to integrated nutrient management in mid hill conditions of Himachal Pradesh". The treatments comprising of all possible combinations of three biofertilizers viz., Azotobacter, Azotobacter + PSB and no inoculation and four fertility levels viz., 100% RDF, FYM 5.0 t ha -1 + 50% RDF, Vermicompost 5.0 t ha -1 + 50% RDF and control were tested in Factorial Randomized Block Design, replicated three times. Significantly highest plant height was recorded with the application of Azotobacter + PSB over Azotobacter alone and no inoculation at 90, 120 DAS and at harvest. Among different fertility levels, application of 100 per cent RDF being statistically at par with vermicompost 5.0 t ha -1 + 50% RDF produced significantly taller plants as compared to other treatments. Results revealed that growth, yield attributes, seed and straw yields of brown sarson were significantly increased with the application of biofertilizers and different fertility levels over control. The treatment receiving Azotobacter + PSB significantly increased the seed and straw yields followed by Azotobacter and no inoculation. Effect of fertility levels on seed and straw yields showed that 100 per cent RDF resulted in significantly higher seed and straw yield as compared to other fertility levels and control treatment. However, 100 per cent RDF treatment remained at par with vermicompost 5.0 t ha -1 + 50% RDF. The application of biofertilizers and fertility levels could not exhibit any significant effect on harvest index. The increase in seed yield with Azotobacter + PSB was 20.3% over Azotobacter alone. (2016). Response of brown sarson (Brassica campestris var. brown sarson) to integrated nutrient management in mid hill conditions of Himachal Pradesh. Internat. J. agric. Sci., 12 (2) : 319-325,
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