模拟土壤、植物和肥料关系以优化印度南部Alfisols下辣椒(Capsicum annuum L)的营养管理

IF 2.3 4区 农林科学 Q1 AGRONOMY Archives of Agronomy and Soil Science Pub Date : 2023-10-05 DOI:10.1080/03650340.2023.2264210
Rangaiah Krishna Murthy, Nagaraju Bhavya, Kasturappa Govinda, Sugaturu Narayanaswamy Uday Kumar, Pujari Kadappa Basavaraja, Hussain Sab Mohamed Saqeebulla, Sanjay Srivastava, Pradip Dey
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Modelling soil, plant and fertilizer relationship to optimize nutrient management for chilli ( Capsicum annuum L) under Alfisols of Southern India
ABSTRACT India is the largest producer, consumer and exporter of chilli, which covers 20% of the total area in Southern India. The imbalanced use of chemical fertilizers has detrimental effect on soil physico-chemical and biological properties thereby affecting soil and crop quality. In accordance with this concept, the field experiments were conducted to develop and validate fertilizer prescription equations for chilli crop under rainfed condition. The experiments were conducted in three phases. The basic parameters to develop the targeted yield equations were derived. Further, the developed targeted yield equations were validated in comparison with soil fertility rating approach and general recommended dose (GRD). The results revealed that 4.50, 1.76 and 2.95 kg of N, P2O5, and K2O, respectively were required for producing 100 kg of dry chilli. The STCR approach, with or without FYM, at the targeted yield of 1.30 and 1.00 t ha−1 enhanced the yield over GRD and soil fertility rating approach. The STCR approach also exhibited a higher NPK uptake, use efficiency, microbial biomass carbon and nitrogen, dehydrogenase, acid and alkaline phosphatase activity along with better profitability. Hence, STCR-targeted yield approach could improve the yield, nutrient use efficiency, soil microbial properties and economics of chilli crop.
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来源期刊
CiteScore
5.50
自引率
4.20%
发文量
107
期刊介绍: rchives of Agronomy and Soil Science is a well-established journal that has been in publication for over fifty years. The Journal publishes papers over the entire range of agronomy and soil science. Manuscripts involved in developing and testing hypotheses to understand casual relationships in the following areas: plant nutrition fertilizers manure soil tillage soil biotechnology and ecophysiology amelioration irrigation and drainage plant production on arable and grass land agroclimatology landscape formation and environmental management in rural regions management of natural and created wetland ecosystems bio-geochemical processes soil-plant-microbe interactions and rhizosphere processes soil morphology, classification, monitoring, heterogeneity and scales reuse of waste waters and biosolids of agri-industrial origin in soil are especially encouraged. As well as original contributions, the Journal also publishes current reviews.
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