Vol. 8, Special Issue 7, Part K (2024)

Organic nutrient management in colour cotton

Author(s):

AG Kshirsagar, YD Charjan, RS Wankhade and SM Nage

Abstract:
A field experiment was conducted at Agriculture Research Station, Achalpur, Dist. Amravati under Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola during the season kharif 2022-23. The topography of the field was fairly uniform and levelled. The soil was medium black cotton belonging to order Vertisol. The number of picked bolls plant-1, boll weight (g), and seed cotton yield plant-1 (g), and lint yield plant-1 (g) along with seed cotton, lint and stalk yield of colour cotton hectare-1 of colour cotton was observed significantly higher with treatment T3 - Vermicompost @ 2.5 t ha-1 + Sunhemp in 2:1 proportion at 60 cm spacing (Green manuring of sunhemp 40 DAS) + Jeevamrut 10% at 50 DAS over all other treatments. The seed cotton equivalent yield of colour cotton was observed significantly higher with treatment T6 - Vermicompost @ 2.5 t ha-1 + Black gram in 2:1 proportion at 60 cm spacing (Mulching of black gram after picking of pods) + Jeevamrut 10% at 50 DAS (1775 kg ha-1). The available NPK status and bacterial, fungal and Actinomycetes population in soil at flowering stage of colour cotton was significant with treatment T3 - Vermicompost @ 2.5 t ha-1 + Sunhemp in 2:1 proportion at 60 cm spacing (Green manuring of Sunhemp 40 DAS) + Jeevamrut 10% at 50 DAS over all other treatments.

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How to cite this article:
AG Kshirsagar, YD Charjan, RS Wankhade and SM Nage. Organic nutrient management in colour cotton. Int. J. Adv. Biochem. Res. 2024;8(7S):807-813. DOI: 10.33545/26174693.2024.v8.i7Sk.1650