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19,748 Results Found

  • Article
  • Open Access
1 Citations
2,346 Views
11 Pages

28 November 2023

Polyaspartic acid (PASP) is widely used in agriculture owing to its role in promoting crop growth and nutrient absorption, and its effects are correlated with its molecular weight. In this study, a field soil column experiment using a 15N tracer was...

  • Article
  • Open Access
158 Views
14 Pages

Bacillus cereus group strains are prolific producers of diverse bacteriocins with significant application potentials; however, their industrial utilization is often hampered by short production cycles and low yields. Using the leaderless bacteriocin...

  • Review
  • Open Access
26 Citations
9,780 Views
15 Pages

11 February 2025

With the rising need for sustainable agricultural practices, nano-fertilizers have emerged as an innovative alternative to traditional fertilizers. These advanced fertilizers enhance nutrient use efficiency, promote crop growth, and minimize environm...

  • Article
  • Open Access
12 Citations
3,486 Views
14 Pages

20 September 2022

Enhanced-efficiency nitrogen fertilizer (EENF) is a recommend nitrogen fertilizer for rice production because of its advantage on improving nitrogen use efficiency. However, its efficacy on CH4, the dominant greenhouse gas, emission from rice fields...

  • Article
  • Open Access
9 Citations
3,756 Views
14 Pages

Enhancement in Tomato Yield and Quality Using Biochar Amendments in Greenhouse under Salinity and Drought Stress

  • Abdullah Obadi,
  • Abdulaziz Alharbi,
  • Abdulrasoul Alomran,
  • Abdulaziz G. Alghamdi,
  • Ibrahim Louki,
  • Arafat Alkhasha and
  • Thabit Alqardaeai

13 June 2024

Enhancing saline water productivity in arid regions is essential for sustainable agriculture. Adding biochar can improve the quantity and quality of tomato yield under higher levels of salinity and lower levels of irrigation. The experiment aimed to...

  • Article
  • Open Access
4 Citations
2,265 Views
16 Pages

29 September 2024

Sulfur (S) is an essential nutrient for plant growth, influencing not only crop yields but also the composition and function of soil microbial communities. However, the differential effects of S fertilization on abundant and rare taxa in agricultural...

  • Article
  • Open Access
28 Citations
5,663 Views
13 Pages

Yield Enhancement and Better Micronutrients Uptake in Tomato Fruit through Potassium Humate Combined with Micronutrients Mixture

  • Ashfaq Ahmad Rahi,
  • Muhammad Akbar Anjum,
  • Javed Iqbal Mirza,
  • Saleha Ahmad Ali,
  • Theodore Danso Marfo,
  • Shah Fahad,
  • Subhan Danish and
  • Rahul Datta

The deficiency of micronutrients and low organic matter (OM) status of soils are major hurdles in the optimum crop yield achievements. Humic substances can play an imperative role in the micronutrient bioavailability and improved crop yield by amelio...

  • Article
  • Open Access
3 Citations
3,066 Views
22 Pages

Heilongjiang Province is a significant region for grain production and serves as a crucial commodity grain production base in China. In recent years, due to the threat of declining cropland quality and quantity, coupled with the increasingly prominen...

  • Article
  • Open Access
40 Citations
9,388 Views
13 Pages

12 October 2015

Biochar, a green way to deal with burning and burying biomass, has attracted more attention in recent years. To fill the gap of the effects of different biochar on crop yield in Northern China, the first field experiment was conducted in farmland loc...

  • Article
  • Open Access
12 Citations
2,265 Views
16 Pages

Enhancement of Polypeptide Yield Derived from Rapeseed Meal with Low-Intensity Alternating Magnetic Field

  • Lina Guo,
  • Yiting Guo,
  • Ping Wu,
  • Shiyi Liu,
  • Chen Gu,
  • Yolandani,
  • Mengdi Wu,
  • Haile Ma and
  • Ronghai He

21 September 2022

The application of physical processing technologies in fermentation is an effective way to improve the quality of substrates. The purpose of the study was to evaluate the feasibility of enhancing the polypeptides of rapeseed meal (RSM) by a low-inten...

  • Article
  • Open Access
84 Citations
6,760 Views
17 Pages

22 January 2021

Applications of metal oxide nanoparticles in the agriculture sector are being extensively included as the materials are considered superior. In the present work, zinc oxide nanoparticle (ZnO NPs), with a developing fertilizer, is applied in the forti...

  • Article
  • Open Access
22 Citations
6,913 Views
23 Pages

Mentha and Oregano Soil Amendment Induces Enhancement of Tomato Tolerance against Soilborne Diseases, Yield and Quality

  • Kalliopi Kadoglidou,
  • Paschalina Chatzopoulou,
  • Eleni Maloupa,
  • Argyrios Kalaitzidis,
  • Sopio Ghoghoberidze and
  • Dimitrios Katsantonis

17 March 2020

Tomato is considered among the most important horticulture crops in both temperate and tropical regions, and two of the major biotic stresses include Fusarium oxysporun f.sp. lycopersici (Fol) and Verticillium dahliae (Vd). The effect of soil incorpo...

  • Article
  • Open Access
46 Citations
6,272 Views
18 Pages

Chemical and Biological Enhancement Effects of Biochar on Wheat Growth and Yield under Arid Field Conditions

  • Zarmeena Khan,
  • Muhammad Habib ur Rahman,
  • Ghulam Haider,
  • Rabia Amir,
  • Rao Muhammad Ikram,
  • Shakeel Ahmad,
  • Hannah Kate Schofield,
  • Bilal Riaz,
  • Rashid Iqbal and
  • Subhan Danish
  • + 4 authors

24 May 2021

Nitrogen (N) losses are prevalent under South East Asia’s due to high N fertilizer inputs, but low N fertilizer use efficiency. This leaves a large quantity of reactive N at risk of loss to the environment. Biochar has been found to reduce N losses a...

  • Article
  • Open Access
626 Views
21 Pages

Forage Quality and Yield Enhancement via Wolfberry (Lycium barbarum L.)–Forage Intercropping System

  • Ruitao Li,
  • Lizhen Zhu,
  • Gaixia Qiao,
  • Xiongxiong Nan,
  • Fang Wang,
  • Yali Wang,
  • Zelong Yu,
  • Rong Qu,
  • Hao Wang and
  • Xudong Gu
  • + 1 author

20 November 2025

The agroforestry system, which integrates the strategic intercropping of trees and grasses, is profoundly shaped by complex ecological interactions that dynamically reshape microclimatic environments and significantly impact the growth of understory...

  • Article
  • Open Access
23 Citations
4,643 Views
12 Pages

Quantum Yield Enhancement of Carbon Quantum Dots Using Chemical-Free Precursors for Sensing Cr (VI) Ions

  • Karthiga Anpalagan,
  • Hong Yin,
  • Ivan Cole,
  • Tian Zhang and
  • Daniel T. H. Lai

Quantum yield illustrates the efficiency that a fluorophore converts the excitation light into fluorescence emission. The quantum yield of carbon quantum dots (CQDs) can be altered via precursors, fabrication conditions, chemical doping, and surface...

  • Article
  • Open Access
1,101 Views
13 Pages

The Enhancement of a Saccharum spontaneum Population and a Genetic Impact Analysis of the Agronomic and Yield Traits of Its Progeny

  • Jiayong Liu,
  • Maoyong Ran,
  • Liping Zhao,
  • Lianan Tao,
  • Fenggang Zan,
  • Li Yao,
  • Xin Hu,
  • Shenglin Ren,
  • Yong Zhao and
  • Zuhu Deng
  • + 4 authors

7 June 2025

Saccharum spontaneum serves as an essential genetic resource for sugarcane improvement. Traditional breeding methods, characterized by slow selection and limited germplasm exploitation, often lead to suboptimal progeny performance. In this study, we...

  • Review
  • Open Access
15 Citations
5,744 Views
17 Pages

Artificial domestication and improvement of the majority of crops began approximately 10,000 years ago, in different parts of the world, to achieve high productivity, good quality, and widespread adaptability. It was initiated from a phenotype-based...

  • Article
  • Open Access
29 Citations
4,000 Views
15 Pages

The Stimulatory Effects of Nanochitin Whisker on Carbon and Nitrogen Metabolism and on the Enhancement of Grain Yield and Crude Protein of Winter Wheat

  • Yingying Cheng,
  • Yi Wang,
  • Yanlai Han,
  • Dongya Li,
  • Zhongkui Zhang,
  • Xueqiang Zhu,
  • Jinfang Tan and
  • Hezhong Wang

Nanochitin whisker (NC) with a cationic nature could enhance plant photosynthesis, grain yield, and quality of wheat, but have not been systematically studied. This study was designed to investigate the stimulatory effects of NC on dry matter (DM) an...

  • Article
  • Open Access
566 Views
18 Pages

Physiological Mechanisms Underlying Maize Yield Enhancement by Straw Return in the Thin-Layer Mollisol Region of the Songnen Plain

  • Chenglong Guan,
  • Tai Ma,
  • Ming Miao,
  • Jiuhui Chen,
  • Zhicheng Bao,
  • Baoyu Chen,
  • Jingkun Lu,
  • Fangming Liu,
  • Nan Wang and
  • Zhian Zhang
  • + 1 author

31 October 2025

Long-term intensive cultivation has caused soil fertility decline and structural degradation in the Songnen Plain, thereby constraining maize root development and yield formation. As a fundamental conservation tillage practice, straw return enhances...

  • Article
  • Open Access
35 Citations
8,757 Views
20 Pages

28 October 2016

Accurate information on both the current stock and future growth and yield of forest resources is critical for sustainable forest management. We demonstrate a novel approach to utilizing airborne laser scanning (ALS)-derived forest stand attributes t...

  • Article
  • Open Access
6 Citations
1,063 Views
14 Pages

Cropland suitability calculations quantify natural suitability according to abiotic conditions, thus making them crucial for sustainable land management. However, since ground-truth yield data are extremely scarce, there is a need to improve knowledg...

  • Article
  • Open Access
31 Citations
5,611 Views
17 Pages

Prediction of Yield Productivity Zones from Landsat 8 and Sentinel-2A/B and Their Evaluation Using Farm Machinery Measurements

  • Tomáš Řezník,
  • Tomáš Pavelka,
  • Lukáš Herman,
  • Vojtěch Lukas,
  • Petr Širůček,
  • Šimon Leitgeb and
  • Filip Leitner

13 June 2020

Yield is one of the primary concerns for any farmer since it is a key to economic prosperity. Yield productivity zones—that is to say, areas with the same yield level within fields over the long-term—are a form of derived (predicted) data...

  • Article
  • Open Access
2 Citations
1,227 Views
20 Pages

Enhancement of Biomethane Yield from Spent Mushroom Substrate: Biological Pretreatment with the Chlamydospores of Trichoderma viride

  • Wentao Zhu,
  • Xianzhi Lai,
  • Changfa Liu,
  • Xiao Wu,
  • Xiaochen Bai,
  • Yafan Cai,
  • Xiaoling Zhao,
  • Zhe Li,
  • Yongren Hao and
  • Jie Chu
  • + 2 authors

Fungal chlamydospores are asexual spores formed by fungi under adverse conditions and could be used in biological pretreatment for biogas projects fed by lignocellulosic substrates. In this study, Trichoderma viride (Tv) chlamydospores were used as t...

  • Communication
  • Open Access
32 Citations
7,682 Views
10 Pages

Enhancement of Photoluminescence Quantum Yield and Stability in CsPbBr3 Perovskite Quantum Dots by Trivalent Doping

  • Sujeong Jung,
  • Jae Ho Kim,
  • Jin Woo Choi,
  • Jae-Wook Kang,
  • Sung-Ho Jin,
  • Youngho Kang and
  • Myungkwan Song

We determine the influence of substitutional defects on perovskite quantum dots through experimental and theoretical investigations. Substitutional defects were introduced by trivalent dopants (In, Sb, and Bi) in CsPbBr3 by ligand-assisted reprecipit...

  • Article
  • Open Access
565 Views
16 Pages

19 November 2025

Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with most crops. They function as promising sustainable agricultural amendments by synergizing with biochar to enhance plant nutrient uptake. However, the effects of AMF and biochar inte...

  • Article
  • Open Access
1 Citations
919 Views
21 Pages

26 April 2025

While highland barley on the Tibetan Plateau is adversely affected by water stress during its growth period, precipitation enhancement could potentially mitigate this issue. Accurate assessment of the benefits obtained through precipitation enhanceme...

  • Article
  • Open Access
12 Citations
4,197 Views
17 Pages

Contribution of Fertilizer, Density and Row Spacing Practices for Maize Yield and Efficiency Enhancement in Northeast China

  • Lin Piao,
  • Shiyu Zhang,
  • Junyao Yan,
  • Tianxu Xiang,
  • Yang Chen,
  • Ming Li and
  • Wanrong Gu

4 November 2022

The research aimed to assess the contribution of fertilizer, density, and row spacing in integrated cultivation measures and identify their regulation mechanism on canopy architecture and factors in biomass accumulation in spring maize. Zhengdan 958...

  • Article
  • Open Access
2 Citations
1,890 Views
15 Pages

Nutritional Enhancement of Polimaize Lines: Integrating Native Mexican Maize Alleles into High-Yield Varieties

  • Guadalupe Oyoque-Salcedo,
  • Sergio Arias-Martínez,
  • Oscar Giovanni Gutiérrez-Cárdenas,
  • José Luis Montañez-Soto,
  • Ernesto Oregel-Zamudio and
  • Jesús Rubén Torres-García

20 February 2024

In this study, we evaluated Polimaize lines, named Polimaize, through the integration of alleles from the Native Blue Corn (NBC-JIQ), a local Mexican maize variety indigenous to the northeast region of Michoacán, Mexico, into elite maize lines...

  • Article
  • Open Access
1 Citations
2,197 Views
13 Pages

23 August 2025

Ultrahigh dose rate (UHDR) radiotherapy, also known as FLASH radiotherapy (FLASH-RT), has shown potential for increasing tumor control while sparing normal tissue. In parallel, gold nanoparticles (GNPs) have been extensively explored as radiosensitiz...

  • Article
  • Open Access
4 Citations
2,201 Views
23 Pages

Winter Wheat Yield Estimation by Fusing CNN–MALSTM Deep Learning with Remote Sensing Indices

  • Changchun Li,
  • Lei Zhang,
  • Xifang Wu,
  • Huabin Chai,
  • Hengmao Xiang and
  • Yinghua Jiao

1 November 2024

A rapid and accurate determination of large-scale winter wheat yield is significant for food security and policy formulation. In this study, meteorological data and enhanced vegetation index (EVI) were used to estimate the winter wheat yield in Henan...

  • Article
  • Open Access
17 Citations
4,191 Views
12 Pages

Humic Acids Incorporated into Urea at Different Proportions Increased Winter Wheat Yield and Optimized Fertilizer-Nitrogen Fate

  • Shengchao Gao,
  • Shuiqin Zhang,
  • Liang Yuan,
  • Yanting Li,
  • Yanchen Wen,
  • Jiukai Xu,
  • Shuwen Hu and
  • Bingqiang Zhao

25 June 2022

Humic acids (HAs) incorporated into urea fertilizers are highly effective at increasing yield and decreasing fertilizer-derived nitrogen (N) loss from soil, but reports of the optimal proportion in fertilizers remain widely inconsistent. In this stud...

  • Article
  • Open Access
548 Views
15 Pages

30 June 2025

Grain moisture influences grain number formation during the critical period as well as determining the final grain weight during the grain-filling period in maize (Zea mays L.). To clarify the relationships between grain number, grain weight, and gra...

  • Article
  • Open Access
472 Views
18 Pages

14 December 2025

To achieve sustainable agriculture development in arid regions, it is imperative to improve the soil quality of arid sandy soils. This study explored the effects of the combined application of organic–inorganic fertilizers with soil conditioner...

  • Article
  • Open Access
20 Citations
15,830 Views
14 Pages

Productivity Enhancement of Cucumber (Cucumis sativus L.) through Optimized Use of Poultry Manure and Mineral Fertilizers under Greenhouse Cultivation

  • Basheer Noman Sallam,
  • Tao Lu,
  • Hongjun Yu,
  • Qiang Li,
  • Zareen Sarfraz,
  • Muhammad Shahid Iqbal,
  • Shumaila Khan,
  • Heng Wang,
  • Peng Liu and
  • Weijie Jiang

Cucumber, a widely cultivated vegetable, is mostly grown under greenhouse conditions. In recent years, the overuse of inorganic fertilizers for higher yield attainment adversely has affected human health and the environment. Therefore, a greenhouse e...

  • Article
  • Open Access
3 Citations
2,759 Views
23 Pages

Towards Circularity in Anaerobic Digestion: Methane Yield Enhancement Using Biochar from Co-Pyrolysis of Anaerobic Sludge and Residual Lignocellulosic Biomass

  • César Omar Díaz Lara,
  • Diana Cabañas Vargas,
  • Julio César Sacramento Rivero,
  • Sergio Baz-Rodríguez,
  • Juan Enrique Ruiz Espinoza,
  • Erick Alberto Aguilera-Cauich,
  • José Martín Baas-López and
  • Daniella E. Pacheco-Catalán

Improper management of anaerobic pig sludge poses significant environmental and health risks. Converting this waste into biochar to enhance methane production during anaerobic digestion (AD) presents an environmentally sound and circular solution, es...

  • Article
  • Open Access
6 Citations
8,197 Views
11 Pages

Biological Control of Downy Mildew and Yield Enhancement of Cucumber Plants by Trichoderma harzianum and Bacillus subtilis (Ehrenberg) under Greenhouse Conditions

  • Héctor G. Núñez-Palenius,
  • Blanca E. Orosco-Alcalá,
  • Isidro Espitia-Vázquez,
  • Víctor Olalde-Portugal,
  • Mariana Hoflack-Culebro,
  • Luis F. Ramírez-Santoyo,
  • Graciela M. L. Ruiz-Aguilar,
  • Nicacio Cruz-Huerta and
  • Juan I. Valiente-Banuet

The downy mildew disease of cucurbits is considered the most economically damaging disease of Cucurbitaceae worldwide. The causal agent, Pseudoperonospora cubensis (Berkeley & Curtis), may cause complete crop losses of cucurbits. Few commercial c...

  • Article
  • Open Access
1 Citations
849 Views
19 Pages

19 March 2025

Direct ink writing (DIW) of low-yield-stress UV-curable silicone rubber faces challenges in maintaining dimensional accuracy due to post-extrusion swelling and viscoelastic deformation. This study proposes an ultraviolet-follow curing (UFC) method to...

  • Article
  • Open Access
13 Citations
4,319 Views
15 Pages

Water Regime and Nitrogen Management to Cope with Wheat Yield Variability under the Mediterranean Conditions of Southern Portugal

  • Manuel Patanita,
  • Alexandra Tomaz,
  • Tiago Ramos,
  • Patrícia Oliveira,
  • Luís Boteta and
  • José Dôres

19 October 2019

Global climate change accentuates the seasonal and interannual irregularity of temperature and precipitation of the Mediterranean climate. The consequences of this variability on wheat production are felt on its development cycle and productivity, ma...

  • Article
  • Open Access
72 Citations
9,872 Views
21 Pages

15 November 2019

Poor seed germination is a crucial yield-limiting factor when winter wheat is sown under low temperature. The objective of this study was to evaluate the role of ascorbic acid (AsA) in the extenuation of the harmful effects of low temperature at earl...

  • Article
  • Open Access
239 Views
17 Pages

Construction and Functional Validation of a Cross-Niche Multifunctional Microbial Consortium for Straw-Returning Agricultural Systems

  • Shu Jia,
  • Hang Qu,
  • Bo Li,
  • Jin Chu,
  • Yinghua Juan,
  • Yuehua Xing,
  • Yan Liu,
  • Hongjing Bao and
  • Wentao Sun

Straw returning, a core practice in conservation tillage, promotes sustainable intensification; however, it faces challenges such as inefficient decomposition, nutrient competition, and pathogen accumulation. To address these limitations, this study...

  • Review
  • Open Access
50 Citations
10,696 Views
24 Pages

Strategies to Enhance the Use of Endophytes as Bioinoculants in Agriculture

  • Bartholomew Saanu Adeleke,
  • Ayomide Emmanuel Fadiji,
  • Modupe Stella Ayilara,
  • Ozede Nicholas Igiehon,
  • Blessing Chidinma Nwachukwu and
  • Olubukola Oluranti Babalola

The findings on the strategies employed by endophytic microbes have provided salient information to the researchers on the need to maximally explore them as bio-input in agricultural biotechnology. Biotic and abiotic factors are known to influence mi...

  • Article
  • Open Access
9 Citations
2,903 Views
12 Pages

Soil Properties and Maize Yield Improvement with Biochar-Enriched Poultry Litter-Based Fertilizer

  • Jiri Holatko,
  • Tereza Hammerschmiedt,
  • Jiri Kucerik,
  • Tivadar Baltazar,
  • Maja Radziemska,
  • Zdenek Havlicek,
  • Antonin Kintl,
  • Iwona Jaskulska,
  • Ondrej Malicek and
  • Martin Brtnicky

16 December 2022

Conversion of poultry litter into fertilizer presents an environmentally friendly way for its disposal. The amendment of stabilizing sorption materials (e.g., biochar) to broiler chicken rearing seems promising, as it protects produced litter from nu...

  • Article
  • Open Access
764 Views
17 Pages

Substituting Chemical by Organic Fertilizer Improves Soil Quality, Regulates the Soil Microbiota and Increases Yields in Camellia oleifera

  • Li Wen,
  • Hanfang Luo,
  • Chao Li,
  • Kaikai Cheng,
  • Lihong Shi,
  • Lingling Liu,
  • Ke Wang and
  • Haiming Tang

The partial substitution of chemical fertilizer with organic fertilizer has been regarded as an effective strategy for enhancing crop yield and soil quality. Nevertheless, its effects on soil properties and microbes remain contentious. In this study,...

  • Review
  • Open Access
5 Citations
4,889 Views
25 Pages

Seed Priming Beyond Stress Adaptation: Broadening the Agronomic Horizon

  • Mujo Hasanović,
  • Adaleta Durmić-Pašić and
  • Erna Karalija

28 July 2025

Seed priming, traditionally viewed as a method for enhancing crop resilience to abiotic stress, has evolved into a multifaceted agronomic strategy. This review synthesizes the current findings demonstrating that priming influences plant development,...

  • Article
  • Open Access
5 Citations
4,847 Views
17 Pages

Monte Carlo Modeling and Design of Photon Energy Attenuation Layers for >10× Quantum Yield Enhancement in Si-Based Hard X-ray Detectors

  • Eldred Lee,
  • Kaitlin M. Anagnost,
  • Zhehui Wang,
  • Michael R. James,
  • Eric R. Fossum and
  • Jifeng Liu

High-energy (>20 keV) X-ray photon detection at high quantum yield, high spatial resolution, and short response time has long been an important area of study in physics. Scintillation is a prevalent method but limited in various ways. Directly det...

  • Article
  • Open Access
8 Citations
3,245 Views
15 Pages

Optical-Sensor-Based Nitrogen Management in Oat for Yield Enhancement

  • Junaid Shah,
  • Xiukang Wang,
  • Sami Ullah Khan,
  • Sajjad Khan,
  • Zulfiqar Ali Gurmani,
  • Sajid Fiaz and
  • Abdul Qayyum

21 June 2021

The deficiency of nitrogen (N) in soil restricts agricultural productivity and its overdosage pollutes the atmosphere. Nitrogen is a vital component of protein, chlorophyll and various physiological processes. When it is applied at a recommended dose...

  • Article
  • Open Access
4 Citations
2,146 Views
31 Pages

Microbiomes-Plant Interactions and K-Humate Application for Salinity Stress Mitigation and Yield Enhancement in Wheat and Faba Bean in Egypt’s Northeastern Delta

  • Soha S. M. Mostafa,
  • Clair N. Fares,
  • Mounira M. Bishara,
  • Clara R. Azzam,
  • Adel A. Awad,
  • Naayem M. M. Elgaml and
  • Mohamed S. M. Mostafa

21 October 2024

Salinity, resulting from climate change and excessive mineral fertilization, burdens farmers and negatively impacts soil and water ecosystems in the Northeastern Nile Delta. Organic and biological approaches are crucial for addressing these issues. T...

  • Article
  • Open Access
10 Citations
4,518 Views
25 Pages

20 November 2023

Over the past two decades, and particularly since 2018, Central Europe has experienced several droughts with strong impacts on ecosystems and food production. It is expected that under accelerating climate change, droughts and resulting vegetation an...

  • Article
  • Open Access
4 Citations
2,692 Views
16 Pages

29 April 2022

Maize (Zea mays L.) is an important staple, as well as cash crop, in sub-Saharan Africa (SSA). However, its production is severely constrained by low soil nitrogen (low N). Fifty-four early-maturing hybrids developed during three breeding periods, (2...

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