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Combined application of organic fertilizer and chemical fertilizer alleviates the kernel position effect in summer maize by promoting post-silking nitrogen uptake and dry matter accumulation

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Journal of Integrative Agriculture 2024年第4期23卷 1179-1194页

作者： Lichao Zhai Lihua Zhang Yongzeng Cui Lifang Zhai Mengjing Zheng Yanrong Yao Jingting Zhang Wanbin Hou Liyong Wu Xiuling Jia Institute of Cereal and Oil Crops Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Crop Cultivation Physiology and Green Production of Hebei ProvinceShijiazhuang 050035China Hebei Science and Technology Innovation Service Center Shijiazhuang 050051China Yongnian Agricultural Technology Extension Center Handan 057150China Ningjin Agricultural Technology Extension Center Xingtai 055550China

Adjusting agronomic measures to alleviate the kernel position effect in maize is important for ensuring high *** order to clarify whether the combined application of organic fertilizer and chemical fertilizer(CAOFCF)can alleviate the kernel position effect of summer maize,field experiments were conducted during the 2019 and 2020 growing seasons,and five treatments were assessed:CF,100%chemical fertilizer;OFCF1,15%organic fertilizer+85%chemical fertilizer;OFCF2,30%organic fertilizer+70%chemical fertilizer;OFCF3,45%organic fertilizer+55%chemical fertilizer;and OFCF4,60%organic fertilizer+40%chemical *** with the CF treatment,the OFCF1 and OFCF2 treatments significantly alleviated the kernel position effect by increasing the weight ratio of inferior kernels to superior kernels and reducing the weight gap between the superior and inferior *** effects were largely due to the improved filling and starch accumulation of inferior ***,there were no obvious differences in the kernel position effect among plants treated with CF,OFCF3,or OFCF4 in most *** area indexes,post-silking photosynthetic rates,and net assimilation rates were higher in plants treated with OFCF1 or OFCF2 than in those treated with CF,reflecting an enhanced photosynthetic capacity and improved postsilking dry matter accumulation(DMA)in the plants treated with OFCF1 or *** with the CF treatment,the OFCF1 and OFCF2 treatments increased post-silking N uptake by 66.3 and 75.5%,respectively,which was the major factor driving post-silking photosynthetic capacity and ***,the increases in root DMA and zeatin riboside content observed following the OFCF1 and OFCF2 treatments resulted in reduced root senescence,which is associated with an increased post-silking N *** showed that post-silking N uptake,DMA,and grain yield in summer maize were negatively correlated with the kernel position *** conclusion,the combined application of

关键词： chemical fertilizer dry mater accumulation kernel position effect N uptake organic fertilizer

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Coupling of reduced inorganic fertilizer with plant-based organic fertilizer as a promising fertilizer management strategy for colored rice in tropical regions

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Journal of Integrative Agriculture 2024年第1期23卷 93-107页

作者： Tingcheng Zhao Aibin He Mohammad Nauman Khan Qi Yin Shaokun Song Lixiao Nie Research Center for Physiology and Ecology and Green Cultivation of Tropical Crops School of Breeding and Multiplication(Sanya Institute of Breeding and Multiplication)Hainan UniversitySanya 572000China

Colored rice is a type of high-quality,high-added-value rice that has attracted increasing attention in recent *** use of large amounts of inorganic nitrogen fertilizer in rice fields results in low fertilizer use efficiency and high environmental *** fertilizer is a promising way to improve soil quality and sustain high ***,most studies focus on the effect of animal-based organic *** effects of different ratios of plantbased organic fertilizer and inorganic fertilizer on the grain yield and quality of colored rice have rarely been ***,a two-year field experiment was conducted in 2020 and 2021 to study the effects of replacing inorganic N fertilizers with plant-based organic fertilizers on the yield,nitrogen use efficiency(NUE),and anthocyanin content of two colored rice varieties in a tropical region in *** experimental treatments included no nitrogen fertilization(T1),100% inorganic nitrogen fertilizer(T2),30%inorganic nitrogen fertilizer substitution with plant-based organic fertilizer(T3),60%inorganic nitrogen fertilizer substitution with plant-based organic fertilizer(T4),and 100% plantbased organic fertilizer(T5).The total nitrogen provided to all the treatments except T1 was the same at 120 kg *** results showed that the T3 treatment enhanced the grain yield and anthocyanin content of colored rice by increasing nitrogen use efficiency compared with *** average,grain yields were increased by 9 and 8%,while the anthocyanin content increased by 16 and 10% in the two colored rice varieties under T3 across the two years,respectively,as compared with *** study of the residual effect of partial substitution of inorganic fertilizers showed that the substitution of inorganic fertilizer with plant-based organic fertilizer improved the soil physiochemical properties,and thus increased the rice grain yield,in the subsequent *** highest grain yield of the subsequent rice crop was observe

关键词： colored rice organic fertilizer soil quality grain yield anthocyanin

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Application of organic fertilizer for improving soybean production under acidic stress

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Oil Crop Science 2024年第1期9卷 46-52页

作者： Putri Gita Lestari Ayu Oshin Yap Sinaga David Septian Sumanto Marpaung Winati Nurhayu Indah Oktaviani Department of Biology Institut Teknologi SumateraJl.Terusan RyacuduWay HuwiKec.Jati AgungLampung SelatanLampung35365Indonesia Department of Biosystems Engineering Institut Teknologi SumateraJl.Terusan RyacuduWay HuwiKec.Jati AgungLampung SelatanLampung35365Indonesia

The presence of acidic soil in rural areas poses difficulties for agricultural *** factor regulating soil pH is the overuse of inorganic *** increased use of fertilizers in soybean production not only raises sustainability concerns but also contributes to soil ***,the use of organic fertilizer could offer a solution for addressing both issues related to soil acidity and *** purpose of this study was to investigate the manipulation of soil pH using organic fertilizer for soybean production under acidic *** planting medium,consisting of a mixture of topsoil,rice husk charcoal,and organic fertilizer(in a ratio of 2:1:1),was supplemented with 0.5 g of NPK fertilizer as a basal treatment in each planting *** regulate the soil acidity to pH 4,we added FeSO_(4) and allowed the mixture to incubate for 30 *** results demonstrate that the application of three types of organic fertilizers chicken manure(P1),oil palm empty bunch fertilizer(P2),and vermicompost(P3)positively impacts the growth of three soybean *** findings indicate that the application of P2 organic fertilizer can increase vegetative growth almost 50%in soybeans on acidic soil,including plant height,leaf count,and root ***,applying P3 organic fertilizer can boost reproductive growth responses in soybeans on acidic soil,such as pod number(from around 0-4 unit to 42-51 unit),grain number(from around 0-5 unit to 88-90 unit),and grain weight(from around 0-0.37 g to 12-25 g).organic fertilizer has the potential to regulate soil pH,promoting higher yields of soybeans under acidic stress.

关键词： organic fertilizer Acidic stress Soybean Agriculture production

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Functional diversity of soil microbial communities in response to supplementing 50% of the mineral N fertilizer with organic fertilizer in an oat field

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Journal of Integrative Agriculture 2021年第8期20卷 2255-2264页

作者： ZHANG Mei-jun JIA Ju-qing LU Hua FENG Mei-chen YANG Wu-de College of Agriculture Shanxi Agricultural UniversityTaigu 030801P.R.China

The effects of supplementing 50%of the mineral N fertilizer with organic fertilizer on the metabolism and diversity of soil microbial communities in an oat field were investigated using Biolog-Eco *** experiment consisted of five treatments:no fertilizer(CK),mineral N fertilizer applied at 90 and 45 kg ha^(-1) N in the form of urea(U1 and U2,respectively),and U2 supplemented with organic fertilizer in the form of sheep manure at 90 and 45 kg ha^(-1) N(U2OM1 and U2OM2,respectively).Each treatment had three *** experiment was conducted in 2018 and 2019 in Pinglu District,Shanxi Province,*** carbon source utilization by soil microbial communities,such as amino acids,amines,carbohydrates,carboxylic acids,and polymers,increased when 50%of the mineral N fertilizer was replaced with organic fertilizer in both *** result was accompanied by increased richness,dominance,and evenness of the microbial *** utilization of amino acid,amine,and carboxylic acid carbon sources and community evenness were further improved when the organic fertilizer amount was doubled in both *** analysis indicated that amines and amino acids were the most representative of the total carbon source utilization by the soil microbial communities in both *** highest oat yield was achieved at a total N application rate of 135 kg ha^(-1) in the treatment involving 45 kg ha^(-1) N in the form of urea and 90 kg ha^(-1) N in the form of sheep manure in both *** was concluded that the application of 50%of the conventional rate of mineral N fertilizer supplemented with an appropriate rate of organic fertilizer enhanced both the functional diversity of soil microbial communities and oat *** and amino acid carbon sources may be used as a substitute for total carbon sources for assessing total carbon source utilization by soil microbial communities in oat fields in future studies.

关键词： organic fertilizer Biolog-Eco soil microbial community carbon source utilization diversity oats

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Survey on heavy metal concentrations and maturity indices of organic fertilizer in China

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International Journal of Agricultural and Biological Engineering 2018年第6期11卷 172-179页

作者： Xi Zhang Haibo Meng Yujun Shen Ji Li Jiarui Wang Haibin Zhou Jingtao Ding Jian Wang Liqiu Song Institute of Energy and Environmental Protection Chinese Academy of Agricultural Engineering Planning and DesignBeijing 100125China Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources Ministry of Agriculture and Rural AffairsBeijing 100125China Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation College of Resources and Environmental ScienceChina Agricultural UniversityBeijing 100193China

A nationwide survey of organic fertilizer was carried out in China,and 263 samples were collected to be analyzed for maturity indices(moisture content(MC),pH,electrical conductivity(EC),E4/E6,and germination index(GI))and 7 heavy metals(Cu,Zn,Cd,Pb,Cr,As and Ni).The MC,pH,EC,E4/E6 and GI showed large variations among the organic fertilizer samples with ranges of 6.9%-66.68%,4.40-9.19,0.76-13.38 mS/cm,1.07-9.40,and 10%-150%,*** concentrations of 7 heavy metals(Cu,Zn,Cd,Pb,As,Cr,Ni)were also with large variations at 7.53-580.4,0-2818,0.02-149.3,0(not detected)-1321,0.14-26.9,3.70-1237,and 0(not detected)-214.6 mg/kg dry *** with the limit values of the Chinese standard for organic fertilizers(NY525-2012),9.51%,73.4%,3.19%,and 3.04%of the samples exceeded the limit values of Cd,Pb,As and Cr,*** limits have been set for Cu,Zn and Ni in China,and 35.0%,13.3%and 16.7%of the samples exceeded the Cu,Zn and Ni limits for composts in Germany,*** Carlo simulations indicated that with the continuous application of organic fertilizer,Cu,Zn,Cd,Pb and Cr would accumulate to the risk control standard for soil contamination of agricultural land(GB15618-2018)within a relatively short *** is urgent to establish suitable limits of heavy metals in organic fertilizer in China to control the risk of heavy metal pollution in agricultural land.

关键词： heavy metal organic fertilizer risk assessment maturity indices

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Investigation and analysis of the linkage mechanism and whole process cost of livestock manure organic fertilizer

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International Journal of Agricultural and Biological Engineering 2020年第2期13卷 223-227页

作者： Shanshan Dong Bin Sui Yujun Shen Haibo Meng Lixin Zhao Jingtao Ding Haibin Zhou Xi Zhang Hongsheng Cheng Jian Wang Ran Li Liqiu Song Pengxiang Xu Ji Li Institute of Energy and Environmental Protection Academy of Agricultural Planning and EngineeringMinistry of Agriculture and Rural AffairsBeijing 100125China Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources Ministry of Agriculture and Rural AffairsBeijing 100125China Key Laboratory of Energy Resource Utilization from Agriculture Waste Ministry of Agriculture and Rural AffairsBeijing 100125China College of Resources and Environmental Sciences China Agricultural UniversityBeijing 100193China

In recent years,the utilization of manure resources for livestock and poultry farming has attracted a widespread attention,and manure resources utilization models suitable for different regional characteristics have formed *** them,the production of organic fertilizer from animal manure is a vital utilization ***,there are still some problems such as high production costs,difficult sales,and the unwillingness of farmers to use organic fertilizers which have affected the breeding cycle and the sustainability of manure treatment in livestock and poultry *** article selected 371 organic fertilizer plants,related farms and farmers in China,focusing on the main links of the entire process of livestock manure-organic fertilizer-farm application,and studied the mode of animal manure collection by organic fertilizer *** costs of organic fertilizer production and farmland application were ***,suggestions were made for the promotion and implementation of large-scale organic fertilizers to make good utilization of manure resources in livestock and poultry farming.

关键词： livestock manure organic fertilizer compost production cost application cost

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Effects of heavy metal(Pb) concentration on some growth parameters of plants grown in lead polluted soil under organic fertilizer amendment

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Research in Cold and Arid Regions 2016年第1期8卷 36-45页

作者： Ojo M.Oseni Adekunle A.Adelusi Esther O.Dada Abdulfatai B.Rufai Department of Botany Faculty of ScienceObafemi Awolowo University Department of Biological Sciences(Ecology and Environmental Studies Unit) Joseph Ayo Babalola University

This study investigated morphological variation and biomass accumulation that occurred in Sida acuta and Chromolaena odorata plants grown in lead polluted soil under organic fertilizer amendment. The study was carried out in the screen house at the Biological Gardens of the Obafemi Awolowo University, Ile-Ife, Osun State. The experiment was a factorial combination of one heavy metal （Pb） at five levels of concentration （0, 200, 400, 800 and 1,000 mg/kg） in a completely randomized design, and were replicated three times for each of the two plants and two levels （0 g/kg and 9.4 g/kg） of organic fertilizer （OBD-Plus）. Each pot was filled with 5 kg of air-dried and sieved soil and placed on a plastic tray for the collection of excess water. Two weeks after planting, seedlings of uniform height were transplanted from the nursery to experimental pots at the rate of one seedling per pot and grown for 10 weeks. The growth parameters of the plants were biomonitored for 7 weeks. After 10 weeks of treatment, the plants were harvested and dried to calculate the biomass accumulation. The two plant species performed better under fertilizer application than without it. For each of the plant species the growth parameters decreased as the levels of Pb concentration increased. Furthermore, the plants＇ biomass decreased significantly （p 〈0.05） as the levels of Pb concentration increased. The organic fertilizer helped to improve the plants＇ performance in lead-polluted soil.

关键词： morphological variation organic fertilizer lead biomonitored biomass

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Effect of Combined Application of organic fertilizer and Chemical fertilizer in Different Ratios on Growth,Yield and Quality of Fluecured Tobacco

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Asian Agricultural Research 2017年第12期9卷 43-46,51页

作者： Bing LIANG Kun HUANG Yali FU Hongguang LI Chi WANG Xiaotian ZHONG Qinghua LU Chengxiao HU College of Resources and Environment Huazhong Agricultural University Honghe Branch of Yunnan Tobacco Company Institute of Agricultural Resource and Environment Yunnan Academy of Agricultural Sciences

The effect of different ratio of organic and inorganic fertilizers on the growth and the yield and quality of flue-cured tobacco was *** randomized blocks design,the data of the test materials K326 were analyzed by using variance analysis,significance test and other *** release efficiency of organic fertilizer in the soil was slower,and the effect of organic fertilizer on the growth of tobacco plants was worse than that of chemical fertilizers,and under 25% organic fertilizer + 75% chemical fertilizer treatment,the quality of the fluecured tobacco was *** the treatment of 50% organic fertilizer + 50% chemical fertilizer,the production of flue-cured tobacco was high and the ratio of first-class tobacco was *** is suggested that the organic fertilizer application ratio should be 25%-50% in the agricultural production.

关键词： organic fertilizer Flue-cured tobacco Yield and quality

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Screening of Fermentation Starters for organic fertilizer Composted from Chicken Manure

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Asian Agricultural Research 2017年第4期9卷 92-95,98页

作者： Jifeng CHEN Lishen SHI Hongyuan LIU Jie YANG Ruiliang GUO Dong CHEN Xiaoxin JIANG Yuxiang LIU School of Life Science Zhengzhou University Distance Education College Zhengzhou University Zhengzhou Huantong Biotechnology Co. Ltd

In order to find fermentation starters that can promote rapid and effective composting of chicken manure,shorten the fermentation period,and improve the compost quality,fermentation starters with different microbial combination ratios(C1,C2,C3,C4 and C5) were designed and fermentation experiment was carried out on these five fermentation starters,commercially available organic fertilizer starter(SS),and chicken manure without inoculating fermentation starter. In the process of the fermentation,the changes in the fermentation temperature,water content and pH value were monitored; the effects of organic manure on the germination rate and growth of rapeseed seeds were measured;viable count,water content,and pH value of prepared fermentation starters were measured; main indicators( organic matter,nitrogen,phosphorus,and potassium) of organic fertilizer generated from fermentation were measured. From the indicators,the formula C3 and C4 were better,in the beginning of fermentation,the temperature rose rapidly,and it reached 40 ℃ in the second day; the water content dropped to below 35% in the 18 th day; the pH value underwent the process of declining-rising-stable,and the overall value showed slight rise,but the change was not great( 0-0. 5). C3 and C4 fermentation products had better effects on the germination and growth of rapeseeds. The germination rate of the rapeseed seeds was 100% and 97. 5% and the bud length was 15. 94 mm and 14. 57 mm,respectively,and the root length was45. 97 mm and 39. 44 mm,respectively. The content of organic matter in fermented organic manure was 86. 62% and 85. 17% respectively,and the total content of nitrogen,phosphorus and potassium was 8. 85% and 8. 22% respectively,and the pH was 7. 5 and 8. 0 *** of these complied with the industry standard NY525-2012( organic matter ≥ 45%,and nitrogen,phosphorus,and potassium ≥ 5%,pH 5. 5-8. 5). The fermentation of fresh chicken manure was completed within 20 days,conforming to the requ

关键词： Chicken manure Compost organic fertilizer Fermentation starter Screening

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Field-based evidence for the enrichment of intrinsic antibiotic resistome stimulated by plant-derived fertilizer in agricultural soil

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Journal of Environmental Sciences 2024年第1期135卷 728-740页

作者： Shihai Liu Ziming Han Dong Zhu Xiao Luan Liujie Deng Liping Dong Min Yang Yu Zhang State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China State Environmental Protection Engineering Center for Harmless Treatment and Resource Utilization of Antibiotic Residues Khorgos 835007China University of Chinese Academy of Sciences Beijing 100049China

Animal manures have been demonstrated to enhance antibiotic resistance in agricultural ***,little is known about the effects of plant-derived fertilizer on soil antibiotic ***,metagenomic sequencing was used to investigate the effects of a plantderived fertilizer processed from sugarcane and beet on soil antibiotic resistance genes(ARGs)in a soybean field along crop growth *** profiles in the soils amended by plant-derived fertilizer were compared with those in the soils amended by chicken *** abundance and diversity of total ARGs in the soils amended by plant-derived fertilizer were significantly(Pfertilizer was indicated to mainly enrich multidrug resistance genes in soil by nourishing indigenous *** with abundances in amended soils significantly(Pfertilizer,while in manured soils were Firmicutes and *** revealed by multivariate statistical analyses,variation of the enriched ARGs in the soils amended by plant-derived fertilizer was majorly attributed to the response of co-occurred bacteria to depleting nutrients,which was different from the failed establishment of manure-borne bacteria in the manured *** study provided field-based evidence that plant-derived fertilizer stimulated the intrinsic antibiotic resistome,and proposed attention to the un-perceived risk since some clinically relevant ARGs originate and evolve fr

关键词： organic fertilizer Intrinsic antibiotic resistance Indigenous bacteria Metagenomic sequencing

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