scholarly journals Drought impact on crop production and the soil environment: 2012 experiences from Iowa

2013 ◽  
Vol 68 (1) ◽  
pp. 19A-24A ◽  
Author(s):  
M. M. Al-Kaisi ◽  
R. W. Elmore ◽  
J. G. Guzman ◽  
H. M. Hanna ◽  
C. E. Hart ◽  
...  
2018 ◽  
Vol 10 (11) ◽  
pp. 4331 ◽  
Author(s):  
Faruque-As-Sunny ◽  
Zuhui Huang ◽  
Taonarufaro Karimanzira

Proper nourishment is fundamental for satisfactory crop growth and production. However, for efficient crop production, it is important to understand the soil environment, to recognize the limitations of that environment, and to ameliorate them where possible without damaging the soil quality. Soil testing and fertilizer recommendation facilities (STFRF) can help farmers to achieve environmental and economic sustainability by assisting them in recognizing their soil condition, reducing agrochemicals usage, using an appropriate amount of fertilizer, minimizing input costs, and achieving higher yield. These facilities are not new in the context of Bangladesh, yet the adoption rate among farmers is low and its determinants have rarely been empirically tested based on microlevel data. Therefore, this study examined those factors underlying the adoption of soil testing and fertilizer recommendation facilities using field surveyed data of 176 individual farmers. Our evidence shows that young farmers with less farming experience are more likely to adopt these facilities. Additionally, being small-scale farmers, having higher education, having more farming income, and having more knowledge about these facilities and the fees of these facilities were found to have a significant effect on the adoption. On the other hand, gender, land ownership, and secondary income were found to be insignificant with regard to the adoption of soil testing and fertilizer recommendation facilities. Our results also revealed that most adopter farmers not only focused on profitability, but were additionally concerned with environmental well-being.


1992 ◽  
Vol 7 (4) ◽  
pp. 157-160 ◽  
Author(s):  
J. P. Gupta ◽  
R. K. Aggarwal

AbstractIn arid areas of western Rajasthan, major constraints responsible for low plant production include low and erratic rainfall, high evaporation, and low soil fertility, particularly with respect to organic carbon and nitrogen. These problems lead to acute shortages of grain, fodder and fuelwood. Sustainable crop and biomass production can be achieved through adoption of agroforestry, silvipastoral and agrihorticultural systems. Integrated nutrient and moisture management practices can help in controlling pathogens and in improving the soil environment for higher sustained production.


2017 ◽  
Vol 38 (03) ◽  
Author(s):  
Ritika Joshi

Of the many forms of above- and below-ground stresses facing agriculture production, physical soil limitations are generally among the most persistent and least amenable to amelioration. Fine textured heavy soils have physical constraints that severely affect soil and plant health and yield parameters and there is a need to study the problems of these type of soils and find possible measures to ameliorate these problems. Reasons for these problems along with possible preventing measures have been discussed. These soils have severe soil aeration problem due to restricted soil water movement within the profile. The affects of these constraints on crop growth and productivity were highlighted. For efficient crop production, it is important to understand the soil environment in which plants grow, to recognize the limitations of that environment and to ameliorate where possible without damaging the soil quality. For satisfactory plant growth, it is essential that the soil provides a favourable physical environment for root development that can exploit the soil sufficiently to provide the plants needs for water, nutrients and anchorage.


Author(s):  
Vempi Satriya Adi Hendrawan ◽  
Wonsik Kim ◽  
Yoshiya Touge ◽  
Shi Ke ◽  
Daisuke Komori

Abstract Drought impact on crop production is well known as crop yield is strongly controlled by climate variation. Previous studies assessed the drought impact using a drought index based on a single input data set, while the variability of the drought index to the input data choice is notable. In this study, a drought index based on the Standardized Precipitation Index with multiple timescales using several global precipitation datasets was compared with the detrended anomaly based on the global dataset of historical yield for major crops over 1981-2016. Results show that the drought index based on the ensemble precipitation dataset correlates better with the crop yield anomaly than a single dataset. Based on the drought index using ensemble datasets, global crop areas significantly affected by drought during the study period were around 23, 8, 30, and 29% for maize, rice, soybean, and wheat, respectively, induced mainly by medium to longer drought timescale (5 – 12-months). This study indicates that most crops cultivated in dry regions were affected by droughts worldwide, while rice shows less correlation to drought as it is generally irrigated and cultivated in humid regions with less drought exposure. This study provides a valuable framework for data choices in drought index development and a better knowledge of the drought impact on agriculture using different timescales on a global scale towards understanding crop vulnerability to climate disruptions.


2020 ◽  
Vol 2 ◽  
pp. 79-88
Author(s):  
O.O. Brovarets ◽  
◽  
Yu.V. Chovnyuk ◽  

Proper management of the agrobiological state of the soil environment is impossible without predicting the dynamics of changes in its condition. At the present stage, traditional monitoring systems based on laboratory analysis are most widely used. Such methods are quite accurate, but also cost-effective. Moreover, these systems have a rather large drawback – the speed of determining the agrobiological pa-rameters, in particular the nutrient content in the soil. All this ultimately affects the reliability and ef-fectiveness of decision making. However, even such information cannot provide the proper quality of technological operations in accordance with the agrobiological state of the soil environment. In this re-gard, there is an urgent need for the development and study of a methodology for managing the devel-opment of complex agrotechnical systems for special purposes in modern crop production technologies, the use of data that make it possible to ensure a given quality when performing a technological opera-tion. Based on the systematization of knowledge about managing the development of complex special-purpose systems, the features of their functioning in modern conditions, the directions of improving the management methodology, the principles of constructing a complex of methodological support for man-agement are determined, which implement closed cycles of developing control decisions and the organic relationship of long-term and current planning. As examples of complex special-purpose agrotechnical systems in this work, we use: agronomic (aerospace) monitoring systems for agricultural soils, precision farming systems using modern space navigation systems, and electrical conductivity monitoring sys-tems for agricultural soils.


2015 ◽  
Vol 10 (4) ◽  
pp. 91-93
Author(s):  
Бахчевников ◽  
Oleg Bakhchevnikov ◽  
Брагинец ◽  
Sergey Braginets ◽  
Пахомов ◽  
...  

The article analyzes grain production in Russia from the standpoint of biological safety of grain. The reasons of grain contamination increasing by mycotoxins and its harmful impact on the soil environment, on human and animal health were considered. Disadvantages of traditional technologies of grain crops cultivation in climates with low humidity were revealed. We represented the data on the change in the infestation of winter wheat, crop residues and stubble in the transition to a “zero” tillage.


2020 ◽  
Vol 6 (1) ◽  
pp. 69
Author(s):  
Endita Prima Ari Pratiwi ◽  
Eka Laily Ramadhani ◽  
Fatchan Nurrochmad ◽  
Djoko Legono

To achieve food security, water must be available at the right place, at the right time, in the right quantity, and be of the right quality. Water-related disasters will negatively affect agricultural areas and crop production, which can threaten food security. Nevertheless, flood and drought strike Central Java, one of the rice production centres in Indonesia, every year, and climate change has been worsening the condition because extreme events occur more frequently. This study reviews the impacts of flood and drought on paddy fields in Central Java from 2014 to 2018. A set of historical documents, including reports on flood and drought, rainfall records, and rice production, were collected from government institutions. Quantitative analysis was conducted using statistics and geographic information system tools. The results showed that the 2014 flood event reflected badly on 94,306 hectares (ha) paddy fields. Four severely affected regencies were Pati (25,460 ha), Demak (13,560 ha), Jepara (13,281 ha), and Kudus (12,203 ha). Meanwhile, drought in 2015 affected 82,324 ha paddy field. The areas severely damaged by drought were Blora (12,335 ha), Cilacap (11,503 ha), Grobogan (10,514 ha), and Pemalang (10,134 ha). Pearson’s correlation analysis results indicated that the correlation between annual rainfall and drought impact (r = −0.865, p = 0.058) is more significant than that between annual rainfall and drought impact (r = 0.794, p = 0.108). The stakeholders have adopted some strategies to minimise losses, such as establishing a 1,000 small water reservoirs program, preparing temporary pump irrigation, and providing agricultural insurance. Nevertheless, more efforts are still necessary to fight against food insecurity.


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