Agronomic Basis and Strategies for Precision Water Management: A Review

Neupane, Jasmine; Guo, Wenxuan

doi:10.3390/agronomy9020087

Cited by 102 publications

(58 citation statements)

References 131 publications

(192 reference statements)

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“…Crop yield generally shows linear correlation with amount of water transpired [18]. When water is a limiting factor, crop yield is much lower than the potential yield.…”

Section: Micro-irrigation Technologiesmentioning

confidence: 99%

Prospects of Precision Farming in Sugarcane Agriculture to Harness the Potential Benefits

Sanghera

Kumar

Bhatt

2020

CJAST

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Sugarcane on one side considered important for crop diversification and important for human civilization while on other sugar industry is facing a long term losses in terms of monetary issues. Moreover, farmer is also not clear about which techniques is to adopt for practising the sugarcane cultivation for precision farming. Therefore, range of new sugarcane cultivation technologies pertaining to its cultivars, fertilization, weed control, insect-pest and disease control needs to be invented and recommended to the cane farmers. Precision farming is an approach where inputs are utilised in precise amounts to get increased average yields, compared to traditional cultivation techniques. Adoption of precision agriculture in sugarcane has been slow due to a wide range of uncertainties and conflicting opinions. There is need to reduce cost of cultivation and to improve the canes yield and quality by adopting precision sugarcane techniques. In developing countries like India, Pakistan etc. precision agricultural techniques if adopted, is a powerful tool and should be started with a basic, affordable and effective integration of technologies and practices. Present article aims to review published and unpublished information on precision sugarcane farming must be applied for improving the cane yield and quality so as to improve livelihoods of the cane farmers.

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“…Crop yield generally shows linear correlation with amount of water transpired [18]. When water is a limiting factor, crop yield is much lower than the potential yield.…”

Section: Micro-irrigation Technologiesmentioning

confidence: 99%

Prospects of Precision Farming in Sugarcane Agriculture to Harness the Potential Benefits

Sanghera

Kumar

Bhatt

2020

CJAST

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“…The sustainable use of soils depends on the management tools available to farmers (Keesstra et al, 2016;Lotter, Seidel, & Liebhardt, 2003;Pradhan, Fischer, Van Velthuizen, Reusser, & Kropp, 2015). This is possible through adopting precision agriculture practices that allow for site-specific management of crop fields with modern technologies capable of assessing soil variability and monitoring crop yield (Adamchuk, Hummel, Morgan, & Upadhyaya, 2004;Awal et al, 2019;Neupane & Guo, 2019;Perron et al, 2018). By contrast, conventional farming practices may limit crop yield below its potential values, compromise product quality, cause environmental degradation and reduce farm income through excessive applications and losses of agrochemicals (Corwin & Lesch, 2010).…”

Section: Introductionmentioning

confidence: 99%

Forecasting potato tuber yield using a soil electromagnetic induction method

Farooque

Zare

Abbas

et al. 2019

European J Soil Science

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Timely forecasting of crop yield is vital for precision agriculture management practices. This study used on‐the‐go proximal soil sensing using electromagnetic induction (EMI) readings of apparent ground electrical conductivity (ECa) to map ECa and forecast potato tuber yield in four fields across Atlantic Canada. The ECa data, measured in the horizontal co‐planar (HCP) configuration mode of the DualEM‐2 instrument, were segmented to the top 0.30‐m thickness of the soil layer using a standard method to compare mapping/prediction accuracy. Results showed that ECa correlated well (R2 = 0.81–0.90) with a 1:5 soil‐to‐water ratio solution's electrical conductivity (EC1:5). The actual tuber yield, which moderately varied (CV = 18.9–27.5%) across the fields and significantly correlated with ECa, explained more than 55% of the yield variability (R2 = 0.57–0.66). The forecasted tuber yield calculated from cubic regression models of the actual tuber yield versus ECa was non‐significantly different from the actual tuber yield (RMSE = 12.2–18.3%; R2 = 0.57–0.66). Interpolated maps of the predicted and the actual yields, and their correlation analyses, showed similar trends of variations within the study fields (r = 0.69–0.80). The higher values of cation exchange capacity, calcium, phosphate, potash, organic matter and soil moisture content in the New Brunswick soils compared to the Prince Edward Island soils resulted in an overestimation of the predicted tuber yield than the actual yield at the lower ECa values, and an underestimation of the predicted tuber yield at higher ECa values for New Brunswick. The results revealed that the province‐based calibrations produced more accurate predictions when compared with the single calibration by combining all of the data from New Brunswick and Prince Edward Island. The non‐destructive prediction of potato tuber yield can enable the development of precision agricultural techniques and management practices for yield forecasting, in addition to making informed decisions for enhanced potato productivity. Highlights Potato cropping is highly important to the economy of Atlantic Canada. The DualEM‐2 sensor was used to forecast and map tuber yield to advance crop management. The tuber yields significantly correlated with ground conductivity that explained >55% of variability in yield. The DualEM‐2 sensor can accurately predict potato yield under agricultural conditions similar to Atlantic Canada.

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“…Currently, research on rainwater harvesting has thoroughly explored rainwater harvesting technology and its impact on crop yield [7,8], whereas studies focused on determining the limit irrigation schedule of small-scale water conservancy projects are rarely published. Establishing an irrigation schedule is crucial to the development of small-scale water source supplementary irrigation agriculture [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

A New Method for Determining Critical Irrigation Period for Large Regions Based on Precipitation-Meteorological Yield Integral Regression Relationship—A Case Study of Winter Wheat in Shaanxi Province, China

et al. 2019

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Using the extremely limited water for deficit irrigation is a notable measure to improve crop yield in water shortage regions. Hence, determining a reasonable irrigation period in large regions is crucial. In this study, a simple and applicable process to determine the irrigation period in a large area by using the precipitation-yield integral regression method of crop growth period was proposed, and the winter wheat planting regions with a serious water shortage in Shaanxi, China were referred to as an example. According to the regional topography, soil, precipitation, temperature, and evaporation, the study area was first divided into four subregions; then, the rainfall water surplus and deficit characteristics of the subregions during the growth period of winter wheat were analyzed, and the precipitation-yield integral regression function of the subregions was calculated. In accordance with the sensitivity of rainfall to crop yield in different periods, the reasonable irrigation period of winter wheat in each subregion was determined. The results are basically consistent with irrigation habits of local farmers, and can be used to guide the irrigation of local winter wheat. They also demonstrate that the method has the advantages of requiring fewer data and being simple and reliable, and can overcome the problem that the existing method is difficult to determine the optimal irrigation period in the large-scale region, due to the lack of test points and representativeness. The proposed method application value in determining the deficit irrigation period with small water amount, in a large region lacking research materials.

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Agronomic Basis and Strategies for Precision Water Management: A Review

Cited by 102 publications

References 131 publications

Prospects of Precision Farming in Sugarcane Agriculture to Harness the Potential Benefits

Prospects of Precision Farming in Sugarcane Agriculture to Harness the Potential Benefits

Forecasting potato tuber yield using a soil electromagnetic induction method

A New Method for Determining Critical Irrigation Period for Large Regions Based on Precipitation-Meteorological Yield Integral Regression Relationship—A Case Study of Winter Wheat in Shaanxi Province, China

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