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Featured Articles

Classification of cotton water stress using convolutional neural networks and UAV-based RGB imagery

Embracing smart irrigation management techniques empowers growers to irrigate with greater efficiency, thereby promoting sustainable agricultural production. In this context, growers often rely on crop evapotranspiration (ETc) as a key factor in making informed irrigation decisions, underscoring the significance of accurately determining and spatially mapping crop water status. Technological progress, exemplified by the emergence of unmanned aerial vehicles (UAVs), has brought about a revolutionary shift in agricultural monitoring. UAV platforms can capture high-resolution images with centimeter-level spatial accuracy and offer higher temporal coverage compared to satellite imagery. Considering these advancements, this study introduces a robust method for classifying water stress in cotton using a compact UAV platform and convolutional neural networks (CNN). The experiment was conducted at the USDA-ARS Cropping Systems Research Laboratory (CSRL) in Lubbock, Texas, where the cotton field was divided into 12 drip zones. The study included three replications to evaluate four irrigation treatments: “rainfed”, “full irrigation”, “percent deficit of full irrigation”, and “time delay of full irrigation”. The results demonstrated that the CNN model successfully classified the cotton water stress using the UAV-based RGB image, achieving an overall best prediction accuracy of approximately 91%. By segmenting the original cotton images into separate canopy and soil areas using morphological image processing methods, the authors also isolated and analyzed the individual contributions of these components to cotton water stress. Additionally, a random forest classifier revealed the relative importance of different image features in the classification process through feature importance analysis. These findings highlighted the state-of-the-art performance of the proposed system in cotton water stress classification and provided valuable insights into the key image features contributing to accurate classification. The authors concluded that integrating UAV-based RGB imagery and CNN models had great potential for assessing water stress in cotton.

A new approach to measure spatial variability of soil parameters and field technique to test-value specific fertilizer

Information on the distribution of soil properties is important to know the status of nutrients in the soils based on which fertilizer nutrients are recommended. Given the variability of nutrients in the soils, making a site-specific fertilizer recommendation seems to be a compelling work. To determine the spatial variability of soil nutrients and to make judicious and precise fertilizer recommendations, new measures are designed with this study. These measures are tested against the soil samples (n = 43) for total nitrogen (N), organic matter (OM), phosphorus (P2O5), and potassium (K2O) in the study area. The descriptive statistical analysis indicated an average of low nitrogen and organic matter, while phosphorus was found to be very high and the level of potassium was high. The spread of nutrients across the data sets, however, included low, medium, high, and very high levels of ratings. The Deviation Square Index was developed and applied for the variability measurement and found that the largest variation was with phosphorus distribution, followed by potassium, nitrogen, and organic matter. The coefficient of variation (CV%) analysis also exhibited similar trends in nutrient distributions. Nitrogen was the main determinant explaining the variations in rice yield, while phosphorus and potash were negatively related to the yield. An index of fertilizer nutrient recommendation called Test-Value Specific Dose (TVSD) was developed and used to calculate the nutrient recommendation for each sampled location. This new method gave easy and more accurate doses of fertilizer over the blanket recommendation to fit the variations across the soil samples.

Advancing sustainable agriculture with beneficial microbes: Enhancing crop growth and yield for food security and human health

Amanullah Amanullah, Urooj Khan

Article ID: 2426
Vol 4, Issue 2, 2023

DOI: https://doi.org/10.54517/ama.v4i2.2426
VIEWS - 204 (Abstract)

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Abstract

The application of biofertilizers (beneficial microbes) represents a transformative paradigm in modern agriculture. This paper delves into the multifaceted benefits of biofertilizers in the context of crop production. It examines how biofertilizers work their magic in enhancing crop growth, yield, and quality, underpinning their pivotal role in sustainable agriculture. Beyond these primary advantages, the paper explores the ripple effects of biofertilizer utilization, where it emerges as a linchpin in the global quest for food security. Biofertilizers not only reduce the environmental footprint of agriculture but also contribute to improving human health. This paper synthesizes current knowledge, revealing that biofertilizers have emerged as a potent tool in addressing the challenges of modern agriculture, from crop enhancement to environmental conservation and public health. It serves as a call to action for their wider adoption, heralding the era of biofertilizers as a cornerstone of sustainable agricultural practices.

Keywords

biofertilizers; sustainable agriculture; food security; environmental sustainability; crop quality; nutrient management; economic and health benefits

References

Amanullah. Harvesting Success: A Comprehensive Guide to Agronomy Courses. Punjab Book Company; 2023. pp. 327–346.

Amanullah. The role of beneficial microbes (bio-fertilizers) in increasing crop productivity and profitability. EC Agriculture 2015; 2(6): 504.

Amanullah, Khalid S. Integrated use of phosphorus, animal manures and biofertilizers improve maize productivity under semiarid condition. In: Larramendy ML, Soloneski S (editors). Organic Fertilizers—From Basic Concepts to Applied Outcomes. InTech; 2016. pp: 137–155. doi: 10.5772/62388

Amanullah, Khan A, and Khalid S, et al. Integrated management of phosphorus, organic sources, and beneficial microbes improve dry matter partitioning of maize. Communications in Soil Science and Plant Analysis 2019; 50(20): 2544–2569. doi: 10.1080/00103624.2019.1667378

Bhattacharyya PN, Jha DK. Plant growth-promoting rhizobacteria (PGPR): Emergence in agriculture. World Journal of Microbiology and Biotechnology 2011; 28(4): 1327–1350. doi: 10.1007/s11274-011-0979-9

Mucheru-Muna M, Mugendi D, Kung’u J, et al. Enhancing maize productivity and profitability using organic inputs and mineral fertilizer in a maize–soybean rotation in Meru South District, Kenya. Nutrient Cycling in Agroecosystems 2013; 95(3): 305–318.

Rajendran G, Patel AK, Srivastava AK, Suresh A. Advances in technology and management of microbial inoculants for symbiotic nitrogen fixation in grain legumes. Agricultural Research 2012; 1(3): 215–230.

Amanullah, Fahad S. Integrated nutrient management in corn production: Symbiosis for food security and grower’s income in arid and semiarid climates. Corn-Production and Human Health in Changing Climate 2018. doi: 10.5772/intechopen.80995

Díaz-Rodríguez AM, Salcedo Gastelum LA, Félix Pablos CM, et al. The current and future role of microbial culture collections in food security worldwide. Frontiers in Sustainable Food Systems 2021; 4. doi: 10.3389/fsufs.2020.614739

Abdel Aal AMK, Assiri ME, Al-Farga A, et al. Exploration of the

benefits of biofertilizers for attaining food security in Egypt’s agriculture. Agronomy 2023; 13(10): 2477. doi: 10.3390/agronomy13102477

Pathak DV, Kumar M. Microbial inoculants as biofertilizers and

biopesticides. In: Singh D, Singh H, Prabha R (editors). Microbial Inoculants in Sustainable Agricultural Productivity. Springer; 2016; pp. 197–209.

Cura JA, Franz D, Filosofía J, et al. Inoculation with Azospirillum sp. and Herbaspirillum sp. bacteria increases the tolerance of maize

to drought stress. Microorganisms 2017; 5(3): 41. doi: 10.3390/microorganisms5030041

Mushtaq Z, Faizan S, Hussain A. Role of microorganisms as biofertilizers. In: Hakeem KR, Dar GH, Mehmood MA, Bhat RA (editors). Microbiota and Biofertilizers. Springer; 2021.

Gupta A, Gupta R, Singh RL. Microbes and environment. In: Singh R (editor). Principles and Applications of Environmental Biotechnology for a Sustainable Future. Springer; 2017.

Shafi J, Tian H. Biofortification for sustainable crop production and human health. In: Biofortification of Food Crops. Springer; 2018. pp. 1–14.

Alori ET, Babalola OO. Microbial inoculants for improving crop quality and human health in Africa. Frontiers in Microbiology 2018; 9. doi: 10.3389/fmicb.2018.02213

Kong Z, Hart M, Liu H. Paving the way from the lab to the field: Using synthetic microbial consortia to produce high-quality crops. Frontiers in Plant Science 2018; 9. doi: 10.3389/fpls.2018.01467

Alori ET, Fawole OB. Microbial inoculants-assisted phytoremediation for sustainable soil management. In: Phytoremediation: Management of Environmental Contaminants, Switzerland. Springer International Publishing; 2017.

Amanullah, Ondrasek G, Al-Tawaha AR. Editorial: Integrated nutrients management: An approach for sustainable crop production and food security in changing climates. Frontiers in Plant Science 2023; 14. doi: 10.3389/fpls.2023.1288030

Alori ET, Glick BR, Babalola OO. Microbial phosphorus solubilization and its potential for use in sustainable agriculture. Frontiers in Microbiology 2017; 8. doi: 10.3389/fmicb.2017.00971

Mahanty T, Bhattacharjee S, Goswami M, et al. Biofertilizers: A potential approach for sustainable agriculture development. Environmental Science and Pollution Research 2016; 24(4): 3315–3335. doi: 10.1007/s11356-016-8104-0

Nadia, Amanullah, Arif M, et al. Improvement in wheat productivity with integrated management of beneficial microbes along with organic and inorganic phosphorus sources. Agriculture 2023; 13(6): 1118. doi: 10.3390/agriculture13061118

Khalid S, Amanullah, Ahmed I. Enhancing zinc biofortification of wheat through integration of zinc, compost, and zinc-solubilizing bacteria. Agriculture 2022; 12(7): 968. doi: 10.3390/agriculture12070968

Amanullah, Khalid S, Muhammad A, et al. Integrated use of biofertlizers with organic and inorganic phosphorus sources improve dry matter partitioning and yield of hybrid maize. Communications in Soil Science and Plant Analysis 2021; 52(21): 2732–2747. doi: 10.1080/00103624.2021.1956520

Al-Tawaha ARM, Karimirad R, Karimirad R, et al. Production of plant hormones from microorganisms. In: Sangeetha J, Al-Tawaha ARM, Thangadurai D (editors). Microbial Fertilizer Technology for Sustainable Crop Production. CRC Press; 2023.

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Editor-in-Chief

Prof. Zhengjun Qiu

Zhejiang University, China

Honorary Editor-in-Chief

Cheng Sun

Academician of World Academy of Productivity Science; Executive Chairman, World Confederation of Productivity Science China Chapter, China

News & Announcements

2024-09-11

Smart agriculture is becoming a reality!

Modern agricultural technology is evolving rapidly, with scientists collaborating with leading agricultural enterprises to develop intelligent management practices. These practices utilize advanced systems that provide tailored fertilization and treatment options for large-scale land management.

2024-05-01

Notice on the prohibition of using AI techniques to generate papers!

This journal values human initiative and intelligence, and the employment of AI technologies to write papers that replace the human mind is expressly prohibited. When there is a suspicious submission that uses AI tools to quickly piece together and generate research results, the editorial board of the journal will reject the article, and all journals under the publisher's umbrella will prohibit all authors from submitting their articles.

Readers and authors are asked to exercise caution and strictly adhere to the journal's policy regarding the usage of Artificial Intelligence Generated Content (AIGC) tools.

2024-01-14

We are recruiting Editorial Team Members

Advances in Modern Agriculture (AMA) is looking for members of the Editorial Board.

2023-12-28

Notice on the change of publication frequency

The publication frequency of Advances in Modern Agriculture is Quarterly since 2024, that means the journal will publish 4 issues per year from 2024 onwards.

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