Rice-crayfish co-culture increases microbial necromass' contribution to the soil nitrogen pool

Environmental Research, Год журнала: 2022, Номер 216, С. 114708 - 114708

Опубликована: Ноя. 11, 2022

Язык: Английский

---

Optimizing nitrogen management can improve stem lodging resistance and stabilize grain yield of japonica rice in rice-crayfish coculture systems

Journal of Integrative Agriculture, Год журнала: 2024, Номер 23(12), С. 3983 - 3997

Опубликована: Фев. 3, 2024

Nitrogen (N) is a major factor affecting rice yield and lodging resistance. Previous studies have primarily investigated the impact of N management on in conventional monoculture (RM); however, few performed such investigations rice-crayfish coculture (RC). We hypothesized that RC would increase risk optimizing application practices improve resistance without food security. conducted two-factor (rice farming mode practice) field experiment from 2021 to 2022 test our hypothesis. The modes included RM RC, no nitrogen fertilizer, application, optimized treatment. characteristics, as morphology, mechanical chemical anatomic structure, gene expression levels, were analysed compared among different treatments. Under same practice, decreased by 11.1–24.4% increased index 19.6–45.6% with values yielded RM. In plant height, panicle neck node centre gravity bending stress, 4.0–4.8%, 5.2–7.8%, 0.5–4.5%, 5.5–10.5%, 1.8–19.5% those respectively. Furthermore, it culm diameter, wall thickness, breaking strength, non-structural structural carbohydrate content 0.8–4.9%, 2.2–53.1%, 13.5–19.2%, 2.2–24.7%, 31.3–87.2%, Optimized sclerenchymal parenchymal tissue areas vascular bundle at base second internode. upregulated genes involved lignin cellulose synthesis, thereby promoting lower internodes stem enhancing significantly reduced stabilized (>8,570 kg ha–1 average). This study systematically differences characteristics between these findings will aid development more efficient for reduce fertilizer application.

Язык: Английский

---

Impact of Different Modes of Comprehensive Rice Field Planting and Aquaculture Systems in Paddy Fields on Rice Yield, Quality, and Economic Benefits

Polish Journal of Environmental Studies, Год журнала: 2024, Номер unknown

Опубликована: Май 31, 2024

Comprehensive rice field planting and aquaculture systems stand as the quintessential model of ecological recycling agriculture in China, with a rich historical legacy [1,2].In recent years, propelled by influence national policy directives, market dynamics, rapid development integrated farming technologies, comprehensive have experienced swift dissemination application.This approach not only effectively mitigates existing conflicts between agricultural lands but also provides pragmatic solutions

Язык: Английский

---

Field distribution characteristics and influencing factors of crayfish in rice-crayfish integrative system

Aquaculture, Год журнала: 2023, Номер 571, С. 739456 - 739456

Опубликована: Март 11, 2023

Язык: Английский

---

Effects of Long-Term Rice–Crayfish Coculture Systems on Soil Nutrients, Carbon Pools, and Rice Yields in Northern Zhejiang Province, China

Agronomy, Год журнала: 2024, Номер 14(5), С. 1014 - 1014

Опубликована: Май 10, 2024

This research was to examine the impacts of long-term integrated rice–crayfish farming on soil nutrients, carbon pools, and rice yields in paddy fields. The aim establish a scientific basis for sustainable development RS northern region Zhejiang. results showed that change from monoculture (CK) coculture systems (RS) led 24.99% increase 5-year average ammonium nitrogen (AN), while nitrate (NN), available potassium (AK), phosphorus content (AP) decreased by 28.02%, 16.05%, 28.76%, respectively. Moreover, total organic (TOC), easily oxidizable (EOC), dissolved (DOC), microbial biomass (MBC) exhibited reduction 2.45%, 8.82%, 35.31%, 65.84%, Correlation analysis revealed significant positive correlation between NN, EOC, MBC mode. In terms yield, yield 8.40% compared CK. mean early-maturing varieties reduced 13.16%, late-maturing 6.00%. These shed light annual variation mode, providing insights

Язык: Английский

---

A Study of the Income Effect of Continuous Adoption of Rice–Crayfish Co-Culture Technology: Based on the Moderating Effect of Non-Farm Employment

Agriculture, Год журнала: 2024, Номер 14(8), С. 1224 - 1224

Опубликована: Июль 25, 2024

The income effect of rice–crayfish co-culture technology (RCT) is directly related to rate adoption farmers and the process China’s green development agriculture. aim this study explore growth mechanism from perspective continuous adoption. With treatment model (TEM), paper empirically analyzes income-generating mechanisms RCT using field survey data 736 in Jianghan Plain. As a result study, it was discovered that will increase farmers’ net agricultural by RMB 83,430 if they continue adopt it. Further examinations indicate optimal period for four half years. Additionally, has also been shown non-farm employment positively moderates relationship between income. Farmers who participate experience an 104,510. Therefore, our results suggest necessary encourage continuously actively enhance RCT.

Язык: Английский

---

Long-term rice–crayfish coculture increases plant lignin but not microbial necromass contribution to soil organic carbon

Soil and Tillage Research, Год журнала: 2024, Номер 248, С. 106424 - 106424

Опубликована: Дек. 19, 2024

Язык: Английский

---

Microbial biogeochemical cycling reveals the sustainability of the rice-crayfish co-culture model

iScience, Год журнала: 2023, Номер 26(5), С. 106769 - 106769

Опубликована: Апрель 27, 2023

Aquaculture has great potential in nourishing the global growing population, while such staggering yields are coupled with environmental pollution. Rice-crayfish co-culture models (RCFP) have been widely adopted China due to their eco-friendliness. However, little is known about RCFP's microbiome pattern, which hinders our understanding of its sustainability. This study conducted metagenomic analysis across aquaculture and habitats, revealed model-specific biogeochemical cycling pattern (e.g., nitrogen (N), sulfur (S), carbon (C)): RCFP advantageous N-assimilation, N-contamination, S-pollutants removal, non-RCFP features N denitrification process higher S metabolism ability, producing several hazardous pollutants nitric oxide, monoxide, sulfide). Moreover, greater capacity for carbohydrate enzyme compared but not crayfish gut. Collectively, plays an indispensable role balancing productivity protection, might be applied blue transformation aquaculture.

Язык: Английский

---

Controlled-Release Fertilizer Improves Rice Matter Accumulation Characteristics and Yield in Rice–Crayfish Coculture

Agriculture, Год журнала: 2022, Номер 12(10), С. 1674 - 1674

Опубликована: Окт. 12, 2022

In recent years, rice–fish coculture has gained more popularity at a growing pace in China. Controlled-release fertilizer can provide nutrients timely manner and increase nutrient efficiency. A 2-year field experiment, which adopted both conventional japonica two indica hybrid rice varieties, was performed to evaluate the effects of controlled-release inorganic compound on matter accumulation yield rice–crayfish farming. The results showed that compared farming, decreased dry mature stage by 4.02–8.15% 4.13–9.34%, respectively. This mainly due decrease crop growth rate, net assimilation leaf area index, light duration before elongation stage. Compared fertilizer, increased 5.02–6.95% 3.29–6.21%, N partial factor productivity agronomic use efficiency 4.13–9.34% 3.96–8.98%, those 3.29–6.15% 7.36–14.01%. There positive linear correlation between productivity, efficiency, yield.

Язык: Английский

---

Spray losses study of two pesticides by UASS in integrated rice–crayfish farming system and acute toxicity evaluation on Procambarus clarkii

Frontiers in Plant Science, Год журнала: 2023, Номер 14

Опубликована: Сен. 11, 2023

Introduction While the integrated rice-crayfish ( Procambarus clarkii ) farming system (IRCFS) is widely developing in China, widespread use of Unmanned Aerial Spraying Systems (UASS) to protect rice from pests has led potential pesticide risk for crayfish IRCFS. Therefore, it crucial examine UASS’s spray deposition and drift Method In this study, we used oligonucleotide sequence-tracking / dot-blotting (OSTDB) method trace spraying. We collected detailed data not only on loss paddy fields, but also breeding ditches caused by upwind downwind areas. Additionally, residues were measured using LC-MS/MS collecting water samples after application. Results The analysis indicated that field was significantly greater than ditches. ditches, area, seven times higher originating area. Furthermore, results revealed bulk flow between fields contributed a substantial amount residue body addition, investigated acute toxicities common insecticides including thiamethoxam (THI), chlorantraniliprole (CHI), THI·CHI-Mix THI·CHI-WG. Discussion demonstrated losses UASS applications these pesticides IRCFS would cause toxicity or death crayfish. These findings provide important materials establishing application standards guiding testing droplet

Язык: Английский

---