Abstract
A field experiment was conducted to assess the effect of different crop production systems on major kharif crops at Choudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Hill Agriculture Research and Extension Center, Dhualakuan (Himachal Pradesh) India. The experiment comprised of fifteen treatments involving three crop production systems (organic, natural and conventional) in subplot with five crops (maize, okra, sesame, black gram and rice) in the main plot replicated thrice in split-plot design during kharif season (July-October) of 2020. Among different production systems, macronutrient contents were found highest under conventional system followed by organic system and lowest in Subhas Palekar Natural Farming system. Sulfur and micronutrient content was recorded highest in organic farming system followed by Subhas Palekar Natural Farming system and lowest in conventional system. Among crops, black gram and sesame grain macro and micro nutrient content was found to be highest and lowest in okra among all crops.
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