The Effects of Flood, Drought, and Flood Followed by Drought on Yield in Cotton

Qian, Long; Chen, Xiaohong; Wang, Xiugui; Huang, Shuang; Luo, Yunying

doi:10.3390/agronomy10040555

Cited by 23 publications

(14 citation statements)

References 46 publications

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“…Soil moisture content is in the range of 29-30% due to soil compaction. Waterlogging reduces the stability of soil aggregates through colloid swelling [18]. In line with research [16] in a 10-day experiment, waterlogging on silty clay soils decreased by 2.2%.…”

Section: Figure 7 Cumulative Daily Etosupporting

confidence: 79%

Development of Irrigation Monitoring and Control Systems to Support the Implementation of the System of Rice Intensification (SRI)

Saputra¹,

Nugroho²,

Murtiningrum³

et al. 2022

Proceedings of the 2nd International Conference on Smart and Innovative Agriculture (ICoSIA 2021)

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Indonesia is a tropical country with high average annual rainfall. The occurrence of unpredictable world climate changes makes it difficult to determine the planting schedule. Farmers often experience crop failure due to a lack of water during the dry season. To overcome these problems, it is necessary to apply the precision farming approach to maximize output with minimal input through technology. SRI (System of Rice Intensification) is one of the innovations in rice cultivation that approaches the concept of precision agriculture. SRI can increase rice production and also save water use. However, SRI irrigation still uses intermittent irrigation based on human intuition and is done manually. Therefore, it is necessary to develop an irrigation monitoring and control system for SRI based on environmental conditions of growth represented by reference Evapotranspiration (ETo) and soil moisture content. This study aims to develop a monitoring and control system for SRI irrigation based on ETo and soil moisture content. To accommodate ETo and soil moisture content, a model using fuzzy logic was developed. This system has a solar radiation sensor, temperature sensor, soil moisture sensor, proximity sensor, Arduino mega 2560, pump, chamber, and drum. The working stages of the system begin with the reading of environmental conditions by the sensor. Furthermore, the reading results will be processed by fuzzy logic as irrigation decision-making. The data obtained from the monitoring of Evapotranspiration, soil moisture content, water level are used to present the growing environmental conditions. Water use efficiency data is used to compare the performance of the SRI system using fuzzy and non-fuzzy logic. The results of irrigation efficiency show that the SRI system using fuzzy can save water up to 52.08% compared to SRI without fuzzy.

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Section: Figure 7 Cumulative Daily Etosupporting

confidence: 79%

Development of Irrigation Monitoring and Control Systems to Support the Implementation of the System of Rice Intensification (SRI)

Saputra¹,

Nugroho²,

Murtiningrum³

et al. 2022

Proceedings of the 2nd International Conference on Smart and Innovative Agriculture (ICoSIA 2021)

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“…Drought and floods are other significant problems that often occur and cause enormous losses to farmers. 40 Agrochemicals have a direct impact on humans and the environment. Deaths and chronic diseases due to these pesticides number about 1 million per year worldwide.…”

Section: Agrochemicals and Their Impact On Health And Environmentmentioning

confidence: 99%

Applications of nanotechnology to combat the problems associated with modern food

Singh

Gopinath

2022

J Sci Food Agric

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Currently, modern lifestyle diseases (LSD) such as cancer, diabetes, hypertension, cardiovascular and thyroid disease are commonly seen among people of different age groups. One of the root causes of this LSD is the type of food that we are eating. Staple crops like rice, sugarcane, vegetables and wheat are grown with the application of agrochemicals (e.g., glyphosate), traces of which are found in our food; after that, it gets ultra‐processed in factories; e.g., chips and snacks are fried using saturated fats (trans fat); sugar and wheat (derivatives bread, buns, cookies) are processed using toxic chemicals (bleaching agents). As a result, the nutritional value of food is compromised due to low dietary fiber content and synthetic additives – e.g., sucralose (artificial sweetener) – which promotes inflammation and weakens our immune system, causing our body to become sensitive to microbial infection and many other LSDs. To strengthen the immune system, people start taking synthetically prepared supplements and drugs for a prolonged time, which further deteriorates the body organs and their normal function; e.g., prolonged medication for hypothyroidism poses a risk of heart attack and joint pain. Nanotechnology solves the above problems in the food, nutraceuticals and agriculture sectors. Nanotechnology‐based naturally processed products such as nano‐nutraceuticals, nanofood, nanofertilizers and nanopesticides will benefit our health. They possess desirable properties such as high bioavailability, targeted delivery, least processing and sustained release. With the help of nanotechnology, we can get nutritional and agrochemical‐free food. © 2022 Society of Chemical Industry.

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“…Responses of plants to individual stresses have been investigated in detail, particularly in crop plants [10,11]. In contrast, fewer studies have focused on the effects of combinations of drought and flooding on photosynthesis, plant hormones and yield [12,13], and particularly little is known about the responses to different sequences of water stresses and potential relaxation from stress on other (metabolic) traits.…”

Section: Introductionmentioning

confidence: 99%

Drought and Subsequent Soil Flooding Affect the Growth and Metabolism of Savoy Cabbage

Barber

Müller

2021

IJMS

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An important factor of current climate change is water availability, with both droughts and flooding becoming more frequent. Effects of individual stresses on plant traits are well studied, although less is known about the impacts of sequences of different stresses. We used savoy cabbage to study the consequences of control conditions (well-watered) versus continuous drought versus drought followed by soil flooding and a potential recovery phase on shoot growth and leaf metabolism. Under continuous drought, plants produced less than half of the shoot biomass compared to controls, but had a >20% higher water use efficiency. In the soil flooding treatment, plants exhibited the poorest growth performance, particularly after the “recovery” phase. The carbon-to-nitrogen ratio was at least twice as high, whereas amino acid concentrations were lowest in leaves of controls compared to stressed plants. Some glucosinolates, characteristic metabolites of Brassicales, showed lower concentrations, especially in plants of the flooding treatment. Stress-specific investment into different amino acids, many of them acting as osmolytes, as well as glucosinolates, indicate that these metabolites play distinct roles in the responses of plants to different water availability conditions. To reduce losses in crop production, we need to understand plant responses to dynamic climate change scenarios.

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The Effects of Flood, Drought, and Flood Followed by Drought on Yield in Cotton

Cited by 23 publications

References 46 publications

Development of Irrigation Monitoring and Control Systems to Support the Implementation of the System of Rice Intensification (SRI)

Development of Irrigation Monitoring and Control Systems to Support the Implementation of the System of Rice Intensification (SRI)

Applications of nanotechnology to combat the problems associated with modern food

Drought and Subsequent Soil Flooding Affect the Growth and Metabolism of Savoy Cabbage

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