Quantifying the contribution of individual inputs used in Zero Budget Natural FarmingDuddigan, S. ORCID: https://orcid.org/0000-0002-6228-4462, Shaw, L. J., Sizmur, T. ORCID: https://orcid.org/0000-0001-9835-7195, Hussain, Z., Jirra, K., Kaliki, H., Sanka, R., Soma, R., Thallam, V., Vattikuti, H. P. and Collins, C. D. (2024) Quantifying the contribution of individual inputs used in Zero Budget Natural Farming. Soil Use and Management, 40 (4). e13126. ISSN 1475-2743
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1111/sum.13126 Abstract/SummaryZero Budget Natural Farming (ZBNF) in Andhra Pradesh promotes home-made, locally sourced, agrochemical-free inputs and regenerative land management techniques. Inputs consist of seed treatments (bijamrita), microbial inoculum applied either as a liquid foliar spray (liquid jiwamrita) or solid top dressing (solid jiwamrita) to the soil, and mulching (achhadana). However, some farmers do not use all the recommended inputs. There is a lack of evidence on the effects of partial adoption on the resulting yield and on the contributions of individual practices to the performance of the overall approach. Controlled field experiments were established over two seasons across four agro-climatic zones. They consisted of five treatments. A Standard ZBNF treatment, which included application of all four ZBNF amendments (bijamirita, solid jiwamrita, liquid jiwamrita and dead mulch). The subsequent four treatments excluded one of the ZBNF treatments (Minus Bijamrita, Minus Soilid Jiwamrita, Minus Liquid Jiwamrita, and Minus Dead Mulch). Exclusion of each ZBNF input individually resulted in a significantly smaller yield than the treatment where all four inputs were used. However, exclusion of solid jiwamrita, liquid jiwamrita and mulching had a larger yield penalty than exclusion of bijamrita. Partial adoption could therfore impact the efficacy of the ZBNF system to deliver sustainable crop yields and satisfy food security. However, further research is needed to examine the effects of input exclusion in the long term and possible interactions between different ZBNF inputs.
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