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Improvement of soil fertility and rice yield after long-term application of cow manure combined with inorganic fertilizers

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Journal of Integrative Agriculture 2023年第7期22卷 2221-2232页

作者： GAO Peng ZHANG Tuo LEI Xing-yu CUI Xin-wei LU Yao-xiong FAN Peng-fei LONG Shi-ping HUANG Jing GAO Ju-sheng ZHANG Zhen-hua ZHANG Hui-min College of Resources Hunan Agricultural UniversityChangsha 410128P.R.China Institute of Agro-environment and Ecology Hunan Academy of Agricultural SciencesChangsha 410125P.R.China College of Environmental Science and Engineering China West Normal UniversityNanchong 637002P.R.China Institute of Nuclear Agriculture Science and Space Breeding Hunan Academy of Agricultural SciencesChangsha 410125P.R.China Qiyang Farmland Ecosystem National Observation and Research Station Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesQiyang 426182P.R.China

Fertilization is an effective technique to improve soil fertility and increase crop *** long-term effects of different fertilizers on soil considerably *** 38 consecutive years of different fertilization positioning experiments in a double cropping rice field of Qiyang Red Soil Experimental Station,seven different fertilization treatments including CK(no fertilization),NPK(nitrogen,phosphorus,and potassium fertilizer),M(cow manure),NPKM(nitrogen,phosphorus,and potassium with cow manure),NPM(nitrogen and phosphorus with cow manure),NKM(nitrogen and potassium with cow manure),and PKM(phosphorus and potassium with cow manure)were applied to study the effects on rice yield,soil fertility,and nutrient apparent balance in a paddy *** results showed that the annual average yields of rice in NPKM,NPM,NKM,PKM,M,NPK and CK treatments ranged from 6214 to 11562 kg *** under long-term organic and inorganic treatments(NPKM,NPM,NKM and PKM)were 22.58,15.35,10.53 and 4.41%,respectively,greater than under the NPK *** organic carbon(SOC),total nitrogen(TN),available nitrogen(AN)and available potassium(AK)concentration with long-term organic and inorganic treatment(NPKM,NPM,NKM and PKM)were significantly higher than in inorganic fertilizer(NPK)*** total phosphorus(TP)and available phosphorus(AP)contentration with organic fertilizer combined with inorganic N and P fertilizer treatment(NPKM,NPM and PKM)were significantly higher than with inorganic fertilizer alone(NPK treatments).The average annual rice yield(11562 kg ha-1),SOC(20.88 g kg-1),TN(2.30 g kg-1),TP(0.95 g kg-1),TK(22.50 g kg-1)and AP(38.94 mg kg-1)concentrations were the highest in the NPKM *** soil AN concentration(152.40 mg kg-1)and AK contentration(151.00 mg kg-1)were the highest in the NKM treatment.N and P application led to a surplus of nitrogen and phosphorus in the soil,but NPKM treatment effectively reduced the surplus compared with other *** un

关键词： long-term fertilization rice yield soil fertility nutrient balance

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Impacts of Climate Change on rice yield in China From 1961 to 2010 Based on Provincial Data

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Journal of Integrative Agriculture 2014年第7期13卷 1555-1564页

作者： CHEN Chao ZHOU Guang-sheng ZHOU Li Chinese Academy of Meteorological Sciences Sichuan Provincial Climate Center

The impacts of climate change on rice yield in China from 1961 to 2010 were studied in this paper, based on the provincial data, in order to develop scientiifc countermeasures. The results indicated that increase of average temperature improved single cropping rice production on national level by up to 11%relative to the average over the study period, however, it resulted in an overall loss of double cropping rice by up to 1.9%. The decrease of diurnal temperature range （DTR） in the major producing regions caused the decrease by up to 3.0%for single cropping rice production and 2.0%for double cropping rice production. Moreover, the contribution of precipitation change reached about 6.2%for single cropping rice production, but no signiifcant effect for double cropping rice production in recent 50 years.

关键词： impact climate change warming precipitation rice yield provincial level China

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Effects of different types of slow-and controlled-release fertilizers on rice yield

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Journal of Integrative Agriculture 2021年第6期20卷 1503-1514页

作者： WU Qiong WANG Yu-hui DING Yan-feng TAO Wei-ke GAO Shen LI Quan-xin LI Wei-wei LIU Zheng-hui LI Gang-hua Jiangsu Collaborative Innovation Center for Modern Crop Production/National Engineering and Technology Center for Information Agricultrue/Key Laboratory of Crop Physiology and Ecology in Southern China Nanjing Agricultural UniversityNanjing 210095P.R.China

This experiment explored the effects of single application of seven types of slow-and controlled-release fertilizers on rice yield and various population *** on a study of the nitrogen(N)release characteristics of these fertilizers,pot experiments were conducted in 2018 and 2019 with split fertilization(CK,urea applied split equally at basal and panicle initiation stages,respectively)as control,which assessed the effects on SPAD value,yield and yield components,dynamic changes of rice tillers and dry matter *** results showed that the N release characteristics of different types of slow-and controlled-release fertilizers were significantly ***-coated urea(PCU)showed a controlledrelease mode and provided sustained release throughout the whole growth ***-coated urea(SCU)exhibited a slow-release mode,providing insufficient release at the middle and late *** inhibitor urea(AHA)and ureaformaldehyde(UF)yielded a rapid-release mode,with an explosive N release at the early stage and no release at the middle and late *** results showed that PCU delayed the peak seedling *** with CK,dry matter accumulation and SPAD showed no significant differences,and due to the continuous release of N throughout the growth stages,rice yield,spikelets per panicle,seed setting rate,and 1000-grain weight were all *** to the lack of N supply at the late stage and the low number of spikelets,SCU led to a reduction of rice yield,which is nevertheless not statistically *** and UF were susceptible to environmental factors and had varying effects on rice *** results of this experiment indicated that given a fixed amount of N applied in a pot,the stronger the N supply capacity and the longer the effective duration time of the fertilizer,the higher the dry matter accumulation at the late growth stage,and the higher the rice yield.

关键词： slow-and controlled-release fertilizers fertilizer types rice yield fertilizer release characteristics

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Low N apparent surplus with higher rice yield under long-term fertilizer postponing in the rice-wheat cropping system

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The Crop Journal 2022年第4期10卷 1178-1186页

作者： Yan Zhou Lei Xu Jianwei Zhang Weiwei Li Yu Jiang Songhan Wang Yanfeng Ding Zhenghui Liu Ganghua Li National Engineering and Technology Center for Information Agriculture/Key Laboratory of Crop Physiology and Ecology in Southern China/Jiangsu Collaborative Innovation Center for Modern Crop Production Nanjing Agricultural UniversityNanjing 210095JiangsuChina Scientific Observing and Experimental Station of Arable Land Ministry of Agriculture and Rural AffairsChina/Institute of Agricultural Resources and EnvironmentJiangsu Academy of Agricultural SciencesNanjing 210095JiangsuChina

Nitrogen(N)fertilization increases rice yield,but inappropriate N fertilizer application increases N loss and the risk of environmental ***-term fertilizer postponing(FP)generally reduces N apparent surplus and increases rice yields,but the effects of long-term FP on N surplus and rice yields remain *** study was the first to investigate the impacts of long-term FP(11 years)on N apparent surplus and rice *** effects in the short term(≤6 years)did not affect rice yields,whereas FP effects in the long term(>6 years)increased rice yields by 13.9%compared with conventional fertilization(CF).FP did not affect panicles per unit area,1000-kernel weight,and filled-kernel rate,but spikelets per panicle increased over time due to spikelet formation *** also reduced the N apparent surplus over time more strongly than CF owing to higher N accumulation and N utilization *** effects in the long term also significantly increased soil organic matter,total N,and NH4_(+)^(-)N *** results were supported by a pot experiment,showing that rice yields in soils with a history of FP were significantly higher than those for soils without a history of FP,indicating that FP increased rice yields more strongly in later years mainly because of soil quality *** findings suggest that longterm FP can reduce N loss while increasing rice yields by improving soil quality.

关键词： Fertilizer postponing N apparent surplus rice yield Spikelets per panicle rice-wheat cropping systems

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Discrepancy in Response of rice yield and Soil Fertility to Long-Term Chemical Fertilization and Organic Amendments in Paddy Soils Cultivated from Infertile Upland in Subtropical China

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Agricultural Sciences in China 2011年第2期10卷 259-266页

作者： LIU Ming LI Zhong-pei ZHANG Tao-lin JIANG Chun-yu CHE Yu-ping State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008P.R.China Graduate University Chinese Academy of SciencesBeijing 100049P.R.China

From 1990,over 17 years field experiment was carried out in paddy field cultivated from infertile upland to evaluate the response of rice productivity,soil organic carbon（SOC）,and total N to long-term NPK fertilization or NPK combined with organic *** field trials included NPK（N,P,K fertilizer）,NPKRS（NPK combined with rice straw）,NPK2RS（NPK combined with double amount of rice straw）,NPKPM（NPK combined with pig manure） and NPKGM（NPK combined with green manure） and the cropping system was rice-rice（Oryza sativa L.） *** rice yield,straw biomass,and harvesting index increased steadily with cultivation time in all *** annual rice yield from 1991 to 2006 was ranged from 7 795 to 8 572 kg ha-1 among *** yields in treatments with organic amendments were usually higher than that in treatment with *** of SOC and total N also increased gradually in the cultivation years and reached the level of 7.82 to 9.45 and 0.85 to 1.03 g kg-1,respectively,in *** fertilities in treatments with chemical fertilization combined with organic amendments were relatively appropriate than those in treatment with *** was obvious discrepancy between cumulative characters of rice yield and soil organic fertility in newly formed paddy *** with relatively high rate of crop productivity improvement,cumulative rates of SOC and total N were much lower in our *** and total N contents were still less than half of those in local highly productive paddy soils after 17 years cultivation in subtropical *** work helps to better understand the development of infertile paddy soils and to estimate the potential of yield improvement in this region.

关键词： paddy field rice yield SOC total N long-term field experiment

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Effects of nitrogen application rate and hill density on rice yield and nitrogen utilization in sodic saline–alkaline paddy fields

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Journal of Integrative Agriculture 2021年第2期20卷 540-553页

作者： GUO Xiao-hong LAN Yu-chen XU Ling-qi YIN Da-wei LI Hong-yu QIAN Yong-de ZHENG Gui-ping LU Yan-dong Heilongjiang Provincial Key Laboratory of Modern Agricultural Cultivation and Crop Germplasm Improvement/Daqing Key Laboratory of Saline-alkaline Land Utilization and Improvement/College of Agriculture Heilongjiang Bayi Agricultural UniversityDaqing 163319P.R.China

Soil salinity and alkalinity can inhibit crop growth and reduce yield,and this has become a global environmental *** changes in nitrogen (N) application and hill density can improve rice yields in sodic saline–alkaline paddy fields and protect the *** investigated the interactive effects of N application rate and hill density on rice yield and N accumulation,translocation and utilization in two field experiments during 2018 and 2019 in sodic saline–alkaline paddy *** N application rates (0 (control),90,120,150,and 180 kg N ha^(-1) (N0–N4),respectively) and three hill densities(achieved by altering the distance between hills,in rows spaced 30 cm apart:16.5 cm (D1),13.3 cm (D2) and 10 cm (D3))were utilized in a split-plot design with three *** application rate and hill density significantly affected grain *** mathematical model of quadratic saturated D-optimal design showed that with an N application rate in the range of 0–180 kg N ha^(-1),the highest yield was obtained at 142.61 kg N ha^(-1) which matched with a planting density of 33.3×10^(4) ha^(-1).Higher grain yield was mainly attributed to the increase in panicles m^(–2).Nitrogen application rate and hill density significantly affected N accumulation in the aboveground parts of rice plants and showed a highly significant positive correlation with grain yield at *** full heading to maturity,the average N loss rate of the aboveground parts of rice plants in N4 was 70.21% higher than that of *** is one of the reasons why the yield of N4 treatment is lower than that of the N3 *** accumulation rates in the aboveground parts under treatment N3 (150 kg N ha^(-1)) were 81.68 and 106.07% higher in 2018 and 2019,respectively,than those in the *** N translocation and N translocation contribution rates increased with the increase in the N application rate and hill density,whereas N productivity of dry matter and grain first increased

关键词： rice yield saline–alkaline soil nitrogen accumulation paddy field Songnen Plain

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Long-term straw incorporation increases rice yield stability under high fertilization level conditions in the rice–wheat system

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The Crop Journal 2021年第5期9卷 1191-1197页

作者： Jianwei Zhang Weiwei Li Yan Zhou Yanfeng Ding Lei Xu Yu Jiang Ganghua Li National Engineering and Technology Center for Information Agriculture/Key Laboratory of Crop Physiology and Ecology in Southern China/Jiangsu Collaborative Innovation Center for Modern Crop Production Nanjing Agricultural UniversityNanjing 210095JiangsuChina

Straw incorporation is a global common practice to improve soil fertility and rice ***,the effect of straw incorporation on rice yield stability is still unknown,especially under high fertilization level ***,we reported the effect of straw returning on rice yield and yield stability under high fertilization levels in the rice–wheat system over nine *** results showed that straw incorporation did not significantly affect the average rice yield of nine *** incorporation reduced the coefficient of variation of rice yield by 25.8%and increased the sustainable yield index by 8.2%.The rice yield positively correlated with mean photosynthetically active radiation (PAR) of rice growth season and the effects of straw incorporation on rice yield depended on the *** incorporation increased the rice yield by 5.4%in the low PAR years,whereas it did not affect the rice yield in the high PAR ***-term straw incorporation lowered soil bulk density but improved the soil organic matter,total N,available N,available P,and available K more strongly than straw *** findings suggest that straw incorporation can increase rice yield stability through improving the resistance of rice plant growth to low PAR.

关键词： Long-term straw incorporation rice yield Stability rice-wheat system PAR

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Water Management for Improvement of rice yield,Appearance Quality and Palatability with High Temperature During Ripening Period

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rice science 2021年第4期28卷 409-416,I0038页

作者： Yuji Matsue Katsuya Takasaki Jun Abe Global Innovation Center Kyushu UniversityMinami-kuFukuoka 815-8540Japan AGL Co LtdAsoKumamoto 869-2225Japan Faculty of Agriculture Tokai UniversityHigashi-kuKumamoto 862-8652Japan

To clarify the optimal water management in large-scale fields under high temperatures at the ripening period,effective water managements during this period for improvement of yield,appearance quality and palatability were *** with intermittent irrigation and flooded irrigation,the soil temperature with saturated irrigation remained low throughout the day,and the decrease rate of the bleeding rate of hills was the *** results suggested that the saturated irrigation maintained root *** the three irrigation types,the number of spikelets per m2 and 1000-grain weight were similar,however,saturated irrigation resulted in significantly higher rice yield due to improvement in the percentage of ripened *** saturated irrigation produced a high percentage of perfect rice grains and thicker brown rice grain,furthermore,the palatability of cooked rice was excellent because protein content and hardness/adhesion ratio were both ***,under high-temperature ripening conditions,soil temperature was lowered and root activity was maintained when applying saturated irrigation after heading *** results indicated that saturated irrigation is an effective countermeasure against high-temperature ripening damage.

关键词： appearance quality root activity high-temperature ripening damage palatability saturated irrigation soil temperature water management rice yield intermittent irrigation flooded irrigation

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Reduction of uncertainties in rice yield response to elevated CO₂ by experiment-model integration: A case study in East China

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Crop Journal 2024年第6期12卷 1812-1816页

作者： Wang, Zihao Zhang, Yu Wang, Xueni Ding, Yanfeng Wang, Songhan Jiangsu Collaborative Innovation Center for Modern Crop Production Key Laboratory of Crop Physiology and Ecology in Southern China Nanjing Agricultural University Sanya Research Institute of Nanjing Agriculture University

Accurate prediction of future rice yield needs the precise estimations of rice yield response to climate change factors, of which the most important one is the increasing carbon dioxide (CO2) concentrations. Estimates of CO2 fertilization effect (CFE) on rice, however, still had large uncertainties. Therefore, using the rice planting areas in East China as the study area, we firstly compared the rice yields and CFE predicted by four state-of-the-art crop models, and found that the CFE predicted by these models had significant differences. We then quantified the CFE on rice yield using the field-controlled experiment conducted at Danyang site at Jiangsu province. Using CFE measurements from a field experiment as benchmark, we have developed an experiment–model integration approach aiming to reduce this variation. This study thus highlights the large CFE uncertainties of current crop models and provides us with a method to reduce this uncertainty, which is beneficial for the accurate prediction of future global rice yield in the context of climate change. © 2024 Crop Science Society of China and Institute of Crop Science, CAAS

关键词： Crop models Elevated CO2 Experiment-model integration Field experiment rice yield

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Simulating Responses of rice yield and Nitrogen Fates to Ground Cover rice Production System under Different Types of Precipitation Years

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rice science 2024年第6期31卷 725-739,I0023,I0024页

作者： REN Jian HU Kelin FENG Puyu William DBATCHELOR LIU Haitao LÜShihua College of Land Science and Technology China Agricultural University/Key Laboratory of Arable Land Conservation(North China)Ministry of Agriculture and Rural AffairsBeijing 100193China Biosystems Engineering Department Auburn UniversityAuburnAL 36849USA Institute of Agricultural Resources and Environment Sichuan Academy of Agricultural SciencesChengdu 610066China

The Ground Cover rice Production System(GCRPS)has considerable potential for securing rice production in hilly ***,its impact on yields and nitrogen(N)fates remains uncertain under varying rainfall conditions.A two-year field experiment(2021–2022)was conducted in Ziyang,Sichuan Province,located in the hilly areas of Southwest *** experiment included two cultivation methods:conventional flooding paddy(Paddy,W1)and GCRPS(W2).These methods were combined with three N management practices:N1(no-N fertilizer),N2(135 kg/hm^(2)urea as a base fertilizer in both W1 and W2),and N3(135 kg/hm^(2)urea with split application for W1 and 67.5 kg/hm^(2)urea and chicken manure separately for W2).The WHCNS(Soil Water Heat Carbon Nitrogen Simulator)model was calibrated and validated to simulate ponding water depth,soil water storage,soil mineral N content,leaf area index,aboveground dry matter,crop N uptake,and rice ***,this model was used to simulate the responses of rice yield and N fates to GCRPS under different types of precipitation years using meteorological data from 1980 to *** results indicated that the WHCNS model performed well in simulating crop growth and N fates for both Paddy and *** with Paddy,GCRPS reduced N leaching(35.1%–54.9%),ammonia volatilization(0.7%–13.6%),N runoff(71.1%–83.5%),denitrification(3.8%–6.7%),and total N loss(33.8%–56.9%)for all precipitation year ***,GCRPS reduced crop N uptake and yield during wet years,while increasing crop N uptake and yield during dry and normal *** application reduced the stability and sustainability of rice yield in wet years,but increased the stability and sustainability of rice yield in dry and normal *** conclusion,GCRPS is more suitable for normal and dry years in the study region,leading to increased rice yield and reduced N loss.

关键词： precipitation year type ground cover rice production system rice yield nitrogen fate model simulation

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