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Enhancing Indian Farmer Income with Balanced Nutrition of a Rice-Maize Rotation

It has become increasingly common for farmers to grow rice, followed by maize each year in their fields. This rice-maize cropping system provides an option for farmers to diversify and improve their i ...

Enhancing Indian Farmer Income with Balanced Nutrition of a Rice-Maize Rotation

It has become increasingly common for farmers to grow rice, followed by maize each year in their fields. This rice-maize cropping system provides an option for farmers to diversify and improve their i ...

中国水稻的生产与平衡施肥效果及技术

《中国水稻的生产与平衡施肥效果及技术》宣传手册制作于2015年9月,文中系统而概括地介绍了水稻生产的基本状况、生长特性、营养特性、缺素症状等理论知识。通过收集整理2001-2011年国际植物营养研究所(IPNI)中国项目部在我国南方8省开展的46个早稻氮肥试验,55个磷肥试验和55个钾肥试验的结果,展示了水稻平衡施肥的良好效果,为水稻平衡施肥提供了技术指导。作者希.

Publication Development and Knowledge Sharing

This project engages scientific authors, consultants, service providers, and other partners to identify suitable collaborators for IPNI SEAP, and then establish partnerships that add value to research ...

Seed Project and Incubator Program

This is an incubator project that identifies and then tests new ideas for research and market development.

IPNI Nutrient Expert® for Android Tablets and Smart Phones

July 18, 2016. Penang, Malaysia – International Plant Nutrition Institute (IPNI) is pleased to announce the release of android-based versions of Nutrient Expert® for crops and geographies, i. e. , mai ...

Concentración de nutrientes en planta como herramienta de diagnóstico

Adrián A. Correndo y Fernando O. García IPNI Cono Sur. Av Santa Fe 910, Acassuso, Buenos Aires, Argentina. lacs@ipni.net

4R nitrogen management produced more yield and benefit on rice in Ningxia, China

Research focused on effect of N recommendation by Nutrient Expert integrated with CRU and placement on rice yield and benefit as well as N use efficiency.

Potassium deficiency in rice induced early heading

In a long-term field experiment with rice-wheat rotations conducted in Guanghan city, Sichuan province of China, it is of interest to observe that the K omission plot has headed about one week earlier ...

缺钾诱导水稻提前抽穗

在成都平原的一个水稻-小麦轮作长期定位试验中,出现一个非常有趣的现象,即缺钾小区水稻会提前一个星期抽穗(右边抽穗的小区为缺钾处理)。这一现象从定位试验开始后3年后连年出现。该小区的稻谷产量比最佳处理减产8-16%,但在生长季节水稻植株一般没有明显的缺钾症状。在冬季的小麦上,缺钾小区小麦籽粒减产9-37%,但始终没有观察到小麦提前抽穗的现象。该试验.

集约化农田节肥增效理论与实践

本书主要以东北、华北、长江中下游为研究区域,选择玉米、小麦、水稻、蔬菜等作物为研究对象。重点阐述了肥际-根际养分转化与调控、作物养分吸收 转运与高效利用、有机无机肥料以及环境要素协同效应与机理、农田养分时空变异特征与调控、典型区域养分循环特征与节肥增效途径与模式,以及我国养分资 源高效利用的战略与对策。通过以上研究提出作物持续高产和 .

Better nutrient management strategy for rice-wheat, rice-rapeseed and rice-rice cropping systems

Rice-upland crop rotation is one of the most important cropping systems in China. To increase fertilization efficiency in these rotations, improve farmland soil fertility and reduce the risk of non-po ...

Effect of control release urea on rice and eggplant in Hubei

As supported by IPNI China program, the project cooperators in Wuhan Botanical Garden of CAS carried out the rice and eggplant field experiments to study the effect of application control release urea ...

Nutrient Expert gained the good field performance for rice

Dr. Ping He participated mid-term evaluation of 973 project held in Wuhan. Dr. Ping He was involved in Nutrient Expert based fertilizer recommendation in topic 5 that including Nutrient Expert wheat, ...

Effect of Potassium Chloride Application for Rice, Cotton and Potato in the Irrigated Zone of Kazakhstan

By Abdulla Saparov, Rakhimzhan Eleshev, Beibut Suleimenov, Gennadi Peskovki and Alexey Shcherbakov

Field validation of Nutrient Expert for early and late rice in China

Nutrient Expert Rice was developed to evaluate and validate fertilizer recommendation method based yield response and agronomic efficiency as compared with soil testing and farmer's practice

Field validation of Nutrient Expert for middle season rice in China

response and agronomic efficiency as compared with soil testing and farmer's practice

Field validation of Nutrient Expert for single season rice in China

Nutrient Expert Rice was developed to evaluate and validate fertilizer recommendation method based yield response and agronomic efficiency as compared with soil testing and farmer's practice

On- farm precision nutrient prescription under pre- dominant cereal- cereal systems using Nutrient Expert®

The project was initiated to optimize nutrient usage and maximize cereal – cereal systems productivity in various rice growing ecologies and geographies in India. The research project will compare yie ...

Predicting N Mineralization Using the Direct Steam Distillation Method in Flooded Soils

Flooded rice is a highly relevant in the State of Rio Grande do Sul (RS) where 1.07 million hectares were cropped in 2012/13 season producing 8 million tons, which represented 69% of the national prod ...

Potassium, Sulphur and Zinc Application Improved Yield and Economics of Rice-Wheat Systems

On-farm experiments conducted at 60 locations in northern India demonstrated that yields and profits for rice and wheat increased significantly with a combined application of K, S and Zn along with fa ...

Potassium Response in Rice-Maize Systems

Emerging data from on-farm and on-station experiments in the rice-maize systems in India and Bangladesh have revealed very high system productivity and high responses of maize and rice to applied K.

Эффективность применения микроэлементов в формировании продуктивности риса

С.В. Кизинек, А.Х. Шеуджен, А.Н. Бурунов, Агрохимический вестник, №4, 2012

Rice field inspection activity in Hunan

Jointly with Mr. Wen Su & Ms. Dan Xiang, assistant managers from the Sinofert Hunan Branch and Mr. Yang Jiajun, director of the agricultural technology extension department from the Sinofert Hunan Bra ...

Agronomic evaluation of control-release urea (CRU) in maize and rice in Heilongjiang

The objective of this study was to explore the right rate of CRU and the right blending ratio of CRU to regular urea

Nutrient Optimization and Yield Intensification of Major Cereal Systems of Eastern India

India is the second largest producer of rice in the world with a production of 100 million t in 2010-11. However, it's current productivity is far below it's attainable yield level. Introducing hybrid ...

Folhas de arroz com deficiência de molibdênio

Molibdênio: Na deficiência de molibdênio observa-se clorose internerval nas folhas mais novas, com enrolamento da lâmina para cima.

Folhas de arroz com deficiência de boro

Boro: A deficiência de boro ocorre de forma localizada, nas folhas novas ou brotos. As pontas das folhas emergentes tornam-se brancas e dobram-se, como no caso da deficiência de cálcio.

Folhas de arroz com deficiência de cobre

Cobre: As folhas mais novas aparecem azul-esverdeadas, tornando-se cloróticas junto às pontas. A clorose desenvolve-se para baixo, ao longo da nervura principal de ambos os lados, seguida de necrose m ...

Folhas de arroz com deficiência de manganês

Manganês: Nas lâminas das folhas mais novas desenvolve-se clorose internerval, com nervuras proeminentes. São observadas linhas internervais amareladas, mais ou menos da mesma largura.

Sintomas de toxidez de ferro em arroz irrigado

Ferro: O primeiro sintoma de deficiência de ferro pode ser identificado por uma clorose internerval das folhas mais novas.

Folhas de arroz com deficiência de enxofre

Enxofre: Os sintomas de deficiência de enxofre assemelham-se aos de nitrogênio. A diferença básica é que a deficiência de enxofre começa nas folhas mais novas e a de nitrogênio nas folhas mais velhas. ...

Folhas de arroz com deficiência de magnésio

Magnésio: Os sintomas de deficiência iniciam-se nas folhas mais velhas, com coloração amarelada e, mais tarde, a área entre as nervuras da folha torna-se alaranjada.

Planta de arroz com deficiência de cálcio

Cálcio: O cálcio é um nutriente imóvel na planta, portanto, os sintomas de deficiência aparecem nas folhas mais novas. As folhas terminais morrem conforme a deficiência se acentua, causando severo atr ...

Folhas de arroz com deficiência de potássio

Potássio: A deficiência de potássio na cultura de arroz não é tão comum como a de nitrogênio e a de fósforo. Entretanto, em solos muito arenosos, com baixa capacidade de retenção de potássio, poderá o ...

Parcelas com plantas normais (ao fundo) e com deficiência de fósforo (à frente)

Fósforo: O fósforo, assim como o nitrogênio, é um elemento móvel na planta, e a deficiência aparece primeiramente nas folhas velhas. A deficiência de fósforo reduz o perfilhamento e prolonga o ciclo d ...

Deficiência de nitrogênio em lavoura de arroz

Nitrogênio: A deficiência de nitrogênio no solo é causada por baixo teor de matéria orgânica e perdas por lixiviação, volatilização, desnitrificação e erosão. O sintoma de deficiência de nitrogênio é ...

Оценка дифференцированного применения азотных удобрений под рис на полях фермеров в режиме реального времени

Хармандип Сингх, К.Н. Шарма, Гагандип Сингх Дхиллон, Аманприт, Тедждип Сингх, Вики Сингх, Динеш Кумар, Биджай Сингх, Хармандип Сингх. #4, 2011

Research Highlight - Southeast United States

Research to develop a more profitable and environmentally-sound rice production system in North America

IPNI Research Projects - 2010

IPNI Research Project Summaries - 2010 This past year we provided financial and in-kind support to over 100 projects around the world. Our scientists work closely with the researchers and cooperators ...

Effect of Long-term Potassium Application on Rice Yield and Potassium Supply Capacity of Paddy Soil in Hunan

Available soil K in arable lands within the middle reaches of the Yangtze River region, especially in Hunan Province, has decreased since the 1970s because of large areas of super-hybrid rice planting ...

Assessment of Soil Potassium Supplying Capacity from Soil Nutrient Reserves and Dissemination of Nutrient Management Technologies through Nutrient Manager

Information generated from this project would help develop soil based coefficients on allowable draw down of soil K reserves, which can be used with Nutrient Manager for rice and maize in the determin ...

Nutrient Expert Development and Assessment

This project aims to (1) develop, test, and refine new versions of Nutrient Expert (NE) for new crops and new geographies in Asia and Africa, (2) conduct field trials and build agronomic database for ...

Site Specific Nutrient Management for the Rice-Maize System in Bihar

The project was initiated to assess the effect of contrasting tillage practices on nutrient supplying capacity of soils in the Lower-Gangetic Plains region of India, and utilize the information genera ...

Site Specific Nutrient Management for a Rice-Wheat System in Haryana

The project was initiated to develop site-specific nutrient management (SSNM) strategy for rice-wheat cropping systems grown under varying tillage and residue management scenarios and use the informat ...

Site Specific Nutrient Management for a Rice-Wheat System in Punjab

The project aims at developing principles and increase knowledge on effective nutrient management for rice and wheat in current production systems and in emerging conservation agriculture (CA) based s ...

2007 Crop Nutrient Deficiency Photo Contest Winners

Results of 2007 Crop Nutrient Deficiency Photo Contest On this page, we highlight winners for each of the four categories. The entries were judged on the overall quality of the image as well as the su ...

Nutrient Management and Balanced Fertilization on Major Crops in Jilin Province

The project has been focusing on Nutrient Expert based fertilizer recommendation since 2011