Master’s Thesis from the year 2020 in the subject Instructor Plans: Agriculture / Forestry / Gardening, grade: 8.5, , language: English, abstract: The present investigation entitled “Effect of integrated nutrient management on late sown mustard under punjab conditions (Brassica campestris L.)” was conducted during rabi season of 2018-19 with the objective to find out the impact of integrated nutrient management on growth, yield, nutrient content, nutrient uptake and economics of Mustard. The soil of experimental field was clay loam texture, alkaline in nature with p H (7.91), EC is (0.59) and available nitrogen (205.5) kg ha-1, available phosphors (12.7 kg ha-1), available potassium (231.5 kg ha-1), available sulphur (7.50 kg ha-1), available zinc (0.94) and boron (0.72 mg kg-1).
The experimental results revealed that significantly maximum growth parameters (plant height, branches plant-1, dry matter accumulation, and leaf area index), yield attributes (siliqua length, siliquae plant-1, seeds siliqua-1and test weight), yield (grain and stover), nutrient uptake(N, P, K, S, Zn and B) by grain and stover and available soil nutrient (N, P, K, S, Zn, and B), were noticed under the application of 100% NPK+40 kg S+1.5 B+20 kg Zn ha-1 as compared to rest of the treatments.
The increment in seed yield under application of 100% NPK+40 kg S+1.5 B+20 kg Zn ha-1 was 25.32 % over 100% NPK. Likewise, maximum gross return, net return and B:C ratio were also recorded with the application of 100% NPK+40 kg S+1.5 B+20 kg Zn ha-1. Besides, this combination also improves the quality of produce and physico-chemical properties of soil. The results revealed that among nutrient management practices, the application of 75% RDF + FYM 10t ha-1 being at par with 75% RDF + vermicompost 5t ha-1 recorded maximum growth and yield attributes, grain (24.14 and 21.74 q ha-1, respectively), strover (81.75 and 75.24 q ha-1, respectively) & biological yield (104.82 and 99.44 q ha-1, respectively), nutrient content and NPK uptake of mustard. In contrast, the application 75% RDF + FYM 10t ha-1 exhibited maximum net return (43228.5 ₹ ha-1) and B: C (1.05) of mustard.
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