Insect-proof nets affect paddy field microclimate parameters and grain quality of different japonica rice varieties

Guo, Zhi; Liu, Hongjiang; Hai-yan, Yuan; Yang, Guoying; Zheng, Jufeng; LiuGen, Chen

doi:10.1007/s12892-014-0018-0

Cited by 9 publications

(12 citation statements)

References 3 publications

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“…SH is widely used in warm and arid Mediterranean climates (Al-Mulla et al, 2008), this technological adaptation of the productive system allows the construction of an enclosure where the cover and the lateral walls are made of insect screens to limit the entry of some pests, to mitigate the negative effect of severe climates, to reduce the water consumption of the plants, to change the spectrum of the solar radiation and the related physiological benefits, as well as to reduce pesticides applications of, and improve the yield and final quality of the crops (Guo et al, 2015; Villagran & Jaramillo 2020Microclimatic behavior of a screen house... Vidogbéna et al, 2015;Teitel et al, 2017;Mahmood et al, 2018;Mupambi et al, 2018;Yang et al, 2018;Alvarado et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Microclimatic behavior of a screen house proposed for horticultural production in low-altitude tropical climate conditions

Villagrán

Noreña

2020

Com. Sci.

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In developing countries, horticultural production in low-altitude tropical climate conditions is often limited by biotic and abiotic factors. In these countries, the implementation of highly technical greenhouses is not feasible due to economic, social and cultural issues related to farmers. Therefore, one of the alternatives that has taken a great boom is the use of screen house structures (SH), although information on the microclimatic behavior of these is still limited. The objective of this research was to use an experimentally validated 3D CFD numerical simulation model to study the thermal behavior and airflow patterns in an SH located in the Colombian Caribbean region during the daytime hours (6:00 to18:00 h). The results obtained showed that the air flow patterns inside the SH showed speed reductions of up to 68% with respect to the speed of the external wind. It was also found that the thermal behavior inside the SH was quite homogeneous, the average temperature values in the structures ranged between 23.9 and 39 °C and the difference with external environment temperature did not exceed 1.8 °C. It was concluded that the implementation of this type of structure could be an useful technological tool for the optimization of horticultural production in low-altitude tropical climate regions.

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Section: Introductionmentioning

confidence: 99%

Microclimatic behavior of a screen house proposed for horticultural production in low-altitude tropical climate conditions

Villagrán

Noreña

2020

Com. Sci.

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“…However, pesticides and fungicides can be retained in the surface water or soil, which may diminish the effectiveness and cause serious harm to the environment. Insect-proof nets provide an ecological and effective approach for controlling the infection and transfer of plant diseases and insect pests (Guo et al, 2015). RD is a mode in which a certain number of ducks are raised in a rice field to eat weeds, insects, and small aquatic animals (Xu et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Effects of Insect-Proof Net Cultivation, Rice-Duck Farming, and Organic Matter Return on Rice Dry Matter Accumulation and Nitrogen Utilization

Liu

Qiangsheng

et al. 2017

Front. Plant Sci.

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Insect-proof net cultivation (IPN), rice-duck farming (RD), and organic matter return (OM) are important methods to realize sustainable development of rice production. A split-plot field experiment was performed to study the effects of IPN, RD, and OM on the rice yield, dry matter accumulation and N utilization. Results showed that compared to inorganic N fertilizer (IN), wheat straw return, and biogas residue return increased the rice yield by 2.11–4.28 and 4.78–7.67%, respectively, and also improved dry matter and N accumulation after the elongation stage (EG), dry matter and N translocation, and N recovery efficiency (NRE). These results attributed to an increase in leaf SPAD values and net photosynthetic rate (Pn) after the EG. Compared to conventional rice farming (CR), RD promoted the rice yield by 1.52–3.74%, and contributed to higher the leaf photosynthesis, dry matter and N accumulation, dry matter and N translocation, and NRE. IPN decreased the intensity of sun radiation in the nets due to the coverage of the insect-proof nets, which declined the leaf Pn, dry matter accumulation and translocation, N absorption and translocation, and NRE compared to open field cultivation (OFC). The rice yield of IPN were 2.48–4.98% lower than that of OFC. Compared to the interaction between CR and IN, the interaction between RD and OM improved the rice yield by 5.26–9.33%, and increased dry matter and N accumulation after the EG, dry matter and N translocation, and NRE. These results indicated that OM, RD and the interaction between RD and OM could promote dry matter accumulation and N utilization, which was beneficial to improve the rice yield.

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“…Rice is one of the major food crops in the world. In China, rice accounts for one-third of the total planting area and is a staple food for more than 60% of the population (Guo et al, 2015). China is also the largest consumer of chemical nitrogen (N) fertilizer worldwide and is responsible for 37% of the global N fertilizer consumption (Peng et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Assessment of productivity, nutrient uptake and economic benefits of rice under different nitrogen management strategies

Yang

Liu

et al. 2020

PeerJ

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Background Integrating a chemical nitrogen (N) fertilizer with an organic fertilizer and using slow-release mechanism are important N management strategies to increase the N utilization efficiency (NUE) and grain yield of rice. However, the performances of both N management strategies on the productivity, the nutrient absorption and utilization efficiency, and the economic benefits of rice have not yet been comprehensively evaluated. Methods A 2-year field experiment was conducted with seven N management strategies without fertilizer (control), 100% conventional N fertilizer (conventional compound fertilizer and urea) (N100), 75% conventional N fertilizer with 25% organic–inorganic compound fertilizer (N75+OICF25), 50% conventional N fertilizer with 50% organic–inorganic compound fertilizer (N50+OICF50), 100% organic–inorganic compound fertilizer (OICF100), slow-release compound fertilizer with urea (SRCF+U), compound fertilizer with sulfur-coated urea (CF+SCU). The responses of the productivity, the nutrient absorption and utilization efficiency, and the economic benefits of rice to the different N management strategies were evaluated. Results CF+SCU performed comparably or better than N100, judging by the grain yield (GY), the N, phosphate (P) and potassium (K) agronomic efficiency (NAE, PAE and KAE), and the apparent N, P and K recovery efficiency (ANRE, APRE and AKRE). SRCF+U significantly increased the GY by an average of 7.7%, the NAE and the ANRE by 23.8 and 26.7%, the PAE and the APRE by 90.6 and 109.3%, and the KAE and the AKRE by 74.2 and 57.7%. The higher GY and nutrient utilization efficiency when using SRCF+U were attributed to the higher total biomass and total nutrient absorption. N75+OICF25 and N50+OICF50 produced a comparable grain yield than N100, whereas a significant yield reduction was observed when using OICF100. Compared with N100, N75+OICF25 resulted in a comparable or higher fertilizer use efficiency (0.3 and 4.7% for NAE and ANRE, 0.3 and 3.2% for PAE and APRE, 0.3 and −2.8% for KAE and AKRE). However, the fertilizer use efficiency when using N50+OICF50 and OICF100 were lower than with N100. The highest net return (NR) (5,845.03 yuan ha−1) and benefit to cost (B:C) ratio (0.34) were obtained when using SRCF+U. The NR and the B:C ratio when using N75+OICF25 were slightly higher than when using N100. However, N50+OICF50 and OICF100 significantly decreased the NR and the B:C ratio compared with N100 by 14.5 and 12.1% and by 35.1 and 29.0%, respectively. Conclusions SRCF+U and CF+SCU enhanced the crop productivity, the nutrient uptake and utilization efficiency, and the economic benefits compared with N100. The comprehensive performance of SRCF+U was better than that of CF+SCU. N75+OICF25 produced almost similar productivity, nutrient uptake and use efficiency compared with N100. It demonstrated that N75+OICF25 stabilized the grain yield production of rice and reduced the input of chemical N fertilizer.

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Insect-proof nets affect paddy field microclimate parameters and grain quality of different japonica rice varieties

Cited by 9 publications

References 3 publications

Microclimatic behavior of a screen house proposed for horticultural production in low-altitude tropical climate conditions

Microclimatic behavior of a screen house proposed for horticultural production in low-altitude tropical climate conditions

Effects of Insect-Proof Net Cultivation, Rice-Duck Farming, and Organic Matter Return on Rice Dry Matter Accumulation and Nitrogen Utilization

Assessment of productivity, nutrient uptake and economic benefits of rice under different nitrogen management strategies

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