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INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS USE EFFICIENCIES

Jouke OENEMA, Oene OENEMA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 130-147 doi: 10.15302/J-FASE-2020376

Abstract: Many grassland-based dairy farms are intensifying production, i.e., produce more milk per ha of land in response to the increasing demand for milk (by about 2% per year) in a globalized market. However, intensive dairy farming has been implicated for its resources use, ammonia and greenhouse gas emissions, and eutrophication impacts. This paper addresses the question of how the intensity of dairy production relates to N and P surpluses and use efficiencies on farms subjected to agri-environmental regulations. Detailed monitoring data were analyzed from 2858 grassland-based dairy farms in The Netherlands for the year 2015. The farms produced on average 925 Mg·yr milk. Milk production per ha ranged from<10 to>30 Mg·ha ·yr . Purchased feed and manure export strongly increased with the level of intensification. Surpluses of N and P at farm level remained constant and ammonia emissions per kg milk decreased with the level of intensification. In conclusion, N and P surpluses did not differ much among dairy farms greatly differing in intensity due to legal N and P application limits and obligatory export of manure surpluses to other farms. Further, N and P use efficiencies also did not differ among dairy farms differing in intensity provided the externalization of feed production was accounted for. This paper provides lessons for proper monitoring and control of N and P cycling in dairy farming.

Keywords： ammonia     externalization     feed     forage maize     front runners     manure production     milk yield     nitrogen surplus    

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LIGHT INTERCEPTION AND USE EFFICIENCY DIFFER WITH MAIZE PLANT DENSITY IN MAIZE-PEANUT INTERCROPPING

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 432-446 doi: 10.15302/J-FASE-2021403

Abstract: The field experiment comprised four cropping systems, i.e. monocropped maize, monocropped peanut, maize-peanutintercropping with two rows of maize and four rows of peanut, intercropping with four rows of maize> row) in both monocropped and intercropping maize.Increasing maize density increased light interception in monocropped maize but did not affect the totalsystem but increased with maize plant density.

Keywords： dryland agriculture     light interception     light use efficiency     maize-peanut intercropping     semiarid    

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Phytate and phosphorus utilization by broiler chickens and laying hens fed maize-based diets

Qiugang MA, Markus RODEHUTSCORD, Moritz NOVOTNY, Lan LI, Luqing YANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 380-387 doi: 10.15302/J-FASE-2019276

Abstract:

Maize grain is primarily used as an energy source for poultry and other animals.Maize has relatively high phytate-P content and very low intrinsic phytase activity.The utilization of P by poultry is affected by two intrinsic characteristics of maize: the concentrationThe objective of this review is to present data on the variation that exists in composition of maizerelevant for P use and to address factors that influence P utilization in maize-based diets of poultry

Keywords： broiler     ducks     high phytase maize     laying hens     low phytate maize     phytase     turkeys    

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Effectiveness of ten commercial maize cultivars in inducing Egyptian broomrape germination

Xiaoxin YE,Jinnan JIA,Yongqing MA,Yu AN,Shuqi DONG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 2,   Pages 137-146 doi: 10.15302/J-FASE-2016098

Abstract: Maize has the potential to influence the growth of other plants through releasing certain allelochemicalsTo determine whether maize could be used as a trap crop for EB, 10 maize cultivars were tested for theirThe results showed that maize cultivars can induce EB germination, and that germination rates in a cut-rootMaize cvs Changcheng 799 and Zhengdan 958 induced the highest EB germination rates, while cvs Luyu 13These four maize cultivars were further studied in a pot experiment.

Keywords： allelopathy     Egyptian broomrape     maize     seed germination     trap crop    

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Modeling water and heat transfer in soil-plant-atmosphere continuum applied to maize growth under plastic

Meng DUAN, Jin XIE, Xiaomin MAO

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 2,   Pages 144-161 doi: 10.15302/J-FASE-2019258

Abstract: ), the model was improved by considering the effect of plastic film mulching applied to field-grown maizeThe maize growth module included photosynthesis, growth stage calculation, biomass accumulation, andThe CropSPAC model coupled the maize growth module and SPAC water and heat transfer module through leafThe LAI and plant height were calculated from the maize growth module and used as input for the SPACThe model was tested in a maize field at Yingke irrigation area in North-west China.

Keywords： film mulching     growth stage     leaf area index     maize growth     water and heat transfer    

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Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 295-310 doi: 10.15302/J-FASE-2015074

Abstract: North China Plain (NCP) is a major grain production area in China, but the current winter wheat-summer maizewater model, AquaCrop, was adopted to investigate yield and water productivity (WP) for rain-fed summer maizenot result in groundwater over-tapping since the precipitation can meet the water required by both maize

Keywords： AquaCrop     summer maize     soil water balance     water productivity    

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Analysis of differential expression of genes induced by ethephon in elongating internodes of maize plants

Xiaoyi WEI,Weiqiang ZHANG,Qian ZHANG,Pei SUN,Zhaohu LI,Mingcai ZHANG,Jianmin LI,Liusheng DUAN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 263-282 doi: 10.15302/J-FASE-2016103

Abstract: Ethephon has been reported to shorten internodes and increase grain yield of maize.To analyze the transcriptomic profiles of maize internode elongation following ethephon treatment, differentiallywere compared between the treatment and control samples of inbred line Zong 31 using the Affymetrix MaizeFurther research revealed that the most remarkable effects of ethephon on maize internodes elongationinvolved in internode meristem cell elongation through the regulation of plant hormone signaling in maize

Keywords： maize     ethephon     internode elongation     microarray     qPCR    

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Influence of harvest date on seed yield and quality in forage kochia

Cody F. CREECH, Blair L. WALDRON, Corey V. RAMSOM, Dale R. ZOBELL, Joseph Earl CREECH

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 1,   Pages 71-79 doi: 10.15302/J-FASE-2017196

Abstract: Forage kochia ( ) is used for rangeland reclamation and livestock and wildlife forage, but limited research, this research evaluated the effect of harvest date on seed weight, germination, and seed yield of forageImmigrant (subsp. ), the standard for forage kochia, ranked among the least for 100-seed weight.Results indicate that forage kochia usually reaches optimum seed maturity by early November, after plants

Keywords： forage     rangeland     seed germination     seed quality    

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Effects of irrigation and nitrogen management on hybrid maize seed production in north-west China

Hui RAN,Shaozhong KANG,Fusheng LI,Ling TONG,Taisheng DU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 55-64 doi: 10.15302/J-FASE-2016091

Abstract: of water and nitrogen management on yield components, biomass partitioning and harvest index ( ) of maize

Keywords： yield components     biomass partitioning     harvest index     irrigation     nitrogen     maize for seed production    

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Adaptation of Chinese and German maize-based food-feed-energy systems to limited phosphate resources—a

Torsten MÜLLER, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 313-320 doi: 10.15302/J-FASE-2019282

Abstract: Maize has a relatively high phosphate requirement.China and Germany together cover the whole range of maize production systems.The new Sino-German international research training group “Adaptation of Chinese and German maize-basedadapting phosphate cycling and availability (sources) to the multipurpose phosphate demands (sinks) in maize-based

Keywords： international research training group     limited resources     maize     phosphate    

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Long-term simulation of growth stage-based irrigation scheduling in maize under various water constraints

Quanxiao FANG, Liwang MA, Lajpat Rai AHUJA, Thomas James TROUT, Robert Wayne MALONE, Huihui ZHANG, Dongwei GUI, Qiang YU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 172-184 doi: 10.15302/J-FASE-2017139

Abstract: of this study was to optimize irrigation between the vegetative (V) and reproductive (R) phases of maizeThe most suitable irrigation between V and R phases of maize was identified as 60/100, 80/100, and 100

Keywords： RZWQM     ET-based irrigation schedule     maize     water constrains    

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Identification of cadmium-induced genes in maize seedlings by suppression subtractive hybridization

Quanlin DAI, Baifei HUANG, Zhongyi YANG, Jiangang YUAN, Junzhi YANG

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 449-458 doi: 10.1007/s11783-010-0250-x

Abstract: A maize variety, Huatian-1, had an unusually low translocation rate of cadmium (Cd) (59.6 mg·kg in thePhospholipase mRNA, adenosine triphosphate (ATP) phosphoribosyl transferase 2, and were turned on in the maizein response to Cd stress, and it might provide new clues to explain the mechanism of maize tolerance

Keywords： Zea mays L.     cadmium (Cd)     suppression subtractive hybridization    

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Comments on “Adaptation of Chinese and German maize-based food-feed-energy systems to limited phosphate

Antje SCHWALB

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 443-444 doi: 10.15302/J-FASE-2019288

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Supply and Demand Analysis, Future Demand Forecast, and Countermeasure Studies for Forage Materials in

Aimin Liu, Panna Jia, Lixin Wang, Liangjie Wu

Strategic Study of CAE 2018, Volume 20, Issue 5,   Pages 39-44 doi: 10.15302/J-SSCAE-2018.05.006

Abstract: livestock products such as meat, poultry, eggs, and milk keep increasing, and thus the domestic demand for forageBased on the analysis of changes in the supply and demand of forage materials in China and the changesin the future demand for domestic livestock and poultry products, the future demand of forage materialsThe research results show that the gap of supply and demand of forage materials in China will continueexpanding in the future, and for the safety of domestic forage supply, cultivation of silage corns should

Keywords： forage materials     supply and demand     forecast     countermeasures    

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Improving water use efficiency in grain production of winter wheat and summer maize in the North China

Xiying ZHANG,Wenli QIN,Juanna XIE

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 25-33 doi: 10.15302/J-FASE-2016090

Abstract: Straw mulching of summer maize using the straw from winter wheat could reduce seasonal soil evaporation

Keywords： harvest index     cultivar selection     deficit irrigation     root water uptake     straw mulching    

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Title Author Date Type Operation

INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS USE EFFICIENCIES

Jouke OENEMA, Oene OENEMA

Journal Article

LIGHT INTERCEPTION AND USE EFFICIENCY DIFFER WITH MAIZE PLANT DENSITY IN MAIZE-PEANUT INTERCROPPING

Journal Article

Phytate and phosphorus utilization by broiler chickens and laying hens fed maize-based diets

Qiugang MA, Markus RODEHUTSCORD, Moritz NOVOTNY, Lan LI, Luqing YANG

Journal Article

Effectiveness of ten commercial maize cultivars in inducing Egyptian broomrape germination

Xiaoxin YE,Jinnan JIA,Yongqing MA,Yu AN,Shuqi DONG

Journal Article

Modeling water and heat transfer in soil-plant-atmosphere continuum applied to maize growth under plastic

Meng DUAN, Jin XIE, Xiaomin MAO

Journal Article

Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Journal Article

Analysis of differential expression of genes induced by ethephon in elongating internodes of maize plants

Xiaoyi WEI,Weiqiang ZHANG,Qian ZHANG,Pei SUN,Zhaohu LI,Mingcai ZHANG,Jianmin LI,Liusheng DUAN

Journal Article

Influence of harvest date on seed yield and quality in forage kochia

Cody F. CREECH, Blair L. WALDRON, Corey V. RAMSOM, Dale R. ZOBELL, Joseph Earl CREECH

Journal Article

Effects of irrigation and nitrogen management on hybrid maize seed production in north-west China

Hui RAN,Shaozhong KANG,Fusheng LI,Ling TONG,Taisheng DU

Journal Article

Adaptation of Chinese and German maize-based food-feed-energy systems to limited phosphate resources—a

Torsten MÜLLER, Fusuo ZHANG

Journal Article

Long-term simulation of growth stage-based irrigation scheduling in maize under various water constraints

Quanxiao FANG, Liwang MA, Lajpat Rai AHUJA, Thomas James TROUT, Robert Wayne MALONE, Huihui ZHANG, Dongwei GUI, Qiang YU

Journal Article

Identification of cadmium-induced genes in maize seedlings by suppression subtractive hybridization

Quanlin DAI, Baifei HUANG, Zhongyi YANG, Jiangang YUAN, Junzhi YANG

Journal Article

Comments on “Adaptation of Chinese and German maize-based food-feed-energy systems to limited phosphate

Antje SCHWALB

Journal Article

Supply and Demand Analysis, Future Demand Forecast, and Countermeasure Studies for Forage Materials in

Aimin Liu, Panna Jia, Lixin Wang, Liangjie Wu

Journal Article

Improving water use efficiency in grain production of winter wheat and summer maize in the North China

Xiying ZHANG,Wenli QIN,Juanna XIE

Journal Article