Maximizing The Efficiency Of Fertilizer Use By Grain Crops

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Maximizing The Efficiency Of Fertilizer Use By Grain Crops

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Author : Food and Agriculture Organization of the United Nations. Fertilizer and Plant Nutrition Service
language : en
Publisher: Food & Agriculture Org.
Release Date : 1980

Maximizing The Efficiency Of Fertilizer Use By Grain Crops written by Food and Agriculture Organization of the United Nations. Fertilizer and Plant Nutrition Service and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Technology & Engineering categories.

Maximizing The Efficiency Of Fertilizer Use By Grain Crops Fertilizer And Plant Nutrition Service Land And Water Development Division And Joint Fao

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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher:
Release Date : 1980

Maximizing The Efficiency Of Fertilizer Use By Grain Crops Fertilizer And Plant Nutrition Service Land And Water Development Division And Joint Fao written by Food and Agriculture Organization of the United Nations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Maximizing Fertilizer Use Efficiency

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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Bernan Press(PA)
Release Date : 1983

Maximizing Fertilizer Use Efficiency written by Food and Agriculture Organization of the United Nations and has been published by Bernan Press(PA) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Gardening categories.

Maximizing Crop Yields

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Author : N. K. Fageria
language : en
Publisher: CRC Press
Release Date : 1992-03-27

Maximizing Crop Yields written by N. K. Fageria and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-03-27 with Technology & Engineering categories.

Details the physiological, agronomical, and environmental factors needed to maintain or increase the productivity and sustainability of agricultural systems. Addressed to scientists in the agriculture industry, and graduate and advanced undergraduate students, rather than to farmers. Explores the ba

The Indian Nitrogen Assessment

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Author : Yash P. Abrol
language : en
Publisher: Elsevier
Release Date : 2017-08-14

The Indian Nitrogen Assessment written by Yash P. Abrol and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-14 with Science categories.

The Indian Nitrogen Assessment: Sources of Reactive Nitrogen, Environmental and Climate Effects, and Management Options and Policies provides a reference for anyone interested in Reactive N, from researchers and students, to environmental managers. Although the main processes that affect the N cycle are well known, this book is focused on the causes and effects of disruption in the N cycle, specifically in India. The book helps readers gain a precise understanding of the scale of nitrogen use, misuse, and release through various agricultural, industrial, vehicular, and other activities, also including discussions on its contribution to the pollution of water and air. Drawing upon the collective work of the Indian Nitrogen Group, this reference book helps solve the challenges associated with providing reliable estimates of nitrogen transfers within different ecosystems, also presenting the next steps that should be taken in the development of balanced, cost-effective, and feasible strategies to reduce the amount of reactive nitrogen. Identifies all significant sources of reactive nitrogen flows and their contribution to the nitrogen-cycle on a national, regional, and global level Covers nitrogen management across sectors, including the environment, food security, energy, and health Provides a single reference on reactive nitrogen in India to help in a number of activities, including the evaluation, analysis, synthesis, documentation, and communications on reactive nitrogen

Nutrient Use In Crop Production

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Author : Zdenko Rengel
language : en
Publisher: CRC Press
Release Date : 2017-12-14

Nutrient Use In Crop Production written by Zdenko Rengel and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-14 with Technology & Engineering categories.

If you?re an agronomist, horticulturalist, plant and soil scientist, breeder, or soil microbiologist, you?ll want to read Nutrient Use in Crop Production to find everything you need to know about judicious nutrient management and maximizing nutrient utilization in the agricultural landscape. In this book, you?ll discover ways to minimize undesirable nutrient losses and techniques for preserving the environment while meeting the challenges of providing the earth?s increasing population with sufficient food, feed, and fiber to sustain life. Your existing knowledge base concerning this vital area of science will expand and grow as you become more open to the new ideas and applications contained in Nutrient Use in Crop Production. Most importantly, you?ll avoid the narrow scope found in most crop nutrition books and take a broader, more globally minded view of how to maximize nutrient use and minimize nutrient losses in the soil of agricultural systems. Specifically, you?ll find these and other areas covered: population growth, food production, and nutrient requirements managing soil fertility decline the role of nitrogen fixation in crop production delivering fertilizers through seed coatings micronutrient fertilizers the role of nutrient-efficient crops in modern agriculture Feeding the world without depleting the world?s viable soil nutrients is a monumental task--but one that can be achieved, as evidenced in the pages of Nutrient Use in Crop Production. You and your circle of students, professionals, and administrators will benefit greatly from this in-depth view of nutrient use in both developed and non-industrialized counties to give you a better sense of how to allow both the world and the world?s crops to grow.

Fertilizer Use By Crop

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Author :
language : en
Publisher: Food & Agriculture Org.
Release Date : 2006

Fertilizer Use By Crop written by and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Business & Economics categories.

Most of the world's hunger and poverty occurs in rural areas. The use of fertilizers could improve agricultural productivity in these areas. However, many developing countries attach a low priority to the subsistence / smallholder sector, particularly in disadvantaged areas. This publication summarizes the information from 21 countries: the crops on which fertilizers are used, the social and structural context, appropriate fertilizer application rates and their profitability, arrangements for supplying fertilizers to farmers and for marketing their produce, credit facilities, and research.

Managing Nitrogen In Grain Sorghum To Maximize N Use Efficiency And Yield While Minimizing Producer Risk

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Author :
language : en
Publisher:
Release Date : 2009

Managing Nitrogen In Grain Sorghum To Maximize N Use Efficiency And Yield While Minimizing Producer Risk written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

Grain Sorghum (Sorghum bicolor) is one of the most drought and stress tolerant crops grown in Kansas. For this reason, much of the sorghum is grown in high risk environments where other crops are more likely to fail or be unprofitable. Efficient sorghum cropping systems should not only produce high yields and use inputs such as nitrogen efficiently, but they should also remove as much risk as possible for a successful crop, and give farmers more flexibility in making input decisions. The price of nitrogen (N) fertilizer has increased substantially in recent years. Current retail prices for commonly used N fertilizers range from $0.88 to $1.50 per kilogram of N in Kansas. Thus, a farmer could easily invest $50-$100 per hectare in N, depending on the rate of N needed and the source used. Practices which allow farmers to assess crop potential as late as possible after planting before applying costly inputs like fertilizer, can increase the potential for a profitable return on those inputs in risky environments. Currently, most sorghum growers routinely apply all the N fertilizer prior to planting, sometimes as much as 6 months prior. The current Kansas State University (KSU) nitrogen recommendation is yield goal based and performs well when the grower is able to predict yield six months or more in advance of harvest. However, yield is quite variable and difficult to predict. Because long range weather and yield predictions are not very reliable, could deferring making N application decisions until later in the season when yield can be more accurately predicted reduce risk? Can the use of active sensors provide a better estimate of yield potential and nitrogen needs sometime after planting? If they can, how late can the decision be made and how best should the fertilizer N be applied? Several studies were conducted throughout Kansas to look at the effect of N rate, N application timing (pre-plant, side dress, or combinations of the two) and method of application on sorghum yield and N use efficiency. The studies were also designed to examine the potential of using optical sensors to predict optimum N rate for post-planting applications as a means of avoiding the use of soil tests to estimate soil N contributions. The objectives of this research were: a. to validate the KSU N fertilizer recommendations for grain sorghum grown in rotation with crops such as soybeans and wheat, b. to determine the effect of both preplant and midseason N applications on the growth and yield potential of grain sorghum, and to determine the optimal timing and method for midseason N applications on grain sorghum, and, c. to assess the potential of optical sensing of the growing crop to refine N recommendations using in-season applications during the growing season. This thesis will summarize the results from the various experiments we completed to achieve these objectives. The KSU N fertilizer recommendations for grain sorghum may need some revisions. This research suggests that including coefficients relating to N use efficiency may be necessary to get more accurate N recommendations. Both pre-plant and midseason N applications increased the yield of grain sorghum whenever a response to N was observed. There was no negative effect of applying all the nitrogen midseason at 30-40 days after planting when compared to pre-plant applications. Injecting nitrogen fertilizer below the soil surface had higher yields than other methods of midseason N applications such as surface banding or surface broadcasting, especially when a significant rainfall event did not occur within a few days of application. The optical sensors used in this study were very effective at making N recommendations 30-40 days after planting. These sensors will provide for more accurate N recommendations compared to the current soil test and yield goal method.

Improving Water And Nutrient Use Efficiency In Food Production Systems

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Author : Zed Rengel
language : en
Publisher: John Wiley & Sons
Release Date : 2013-04-01

Improving Water And Nutrient Use Efficiency In Food Production Systems written by Zed Rengel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-01 with Science categories.

Improving Water and Nutrient Use Efficiency in Food Production Systems provides professionals, students, and policy makers with an in-depth view of various aspects of water and nutrient us in crop production. The book covers topics related to global economic, political, and social issues related to food production and distribution, describes various strategies and mechanisms that increase water and nutrient use efficiency, and review te curren situation and potential improvements in major food-producing systems on each continent. The book also deals with problems experienced by developed countries separtaely from problems facing developing countries. Improving Water and Nutrient Use Efficiency emphasizes judicious water and nutrient management which is aimed at maximising water and nutrient utilisation in the agricultural landscape, and minimising undesirable nutrient losses to the environment.

Fertilizer Use By Crop

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Author :
language : en
Publisher: FAO
Release Date : 2006

Fertilizer Use By Crop written by and has been published by FAO this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Technology & Engineering categories.

Most of the world's hunger and poverty occurs in rural areas. The use of fertilizers could improve agricultural productivity in these areas. However, many developing countries attach a low priority to the subsistence / smallholder sector, particularly in disadvantaged areas. This publication summarizes the information from 21 countries: the crops on which fertilizers are used, the social and structural context, appropriate fertilizer application rates and their profitability, arrangements for supplying fertilizers to farmers and for marketing their produce, credit facilities, and research.