Hybrid Maize in Relation to Planting Density and Nitrogen Levels

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Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783845420516
Total Pages : 116 pages
Book Rating : 4.4/5 (25 download)

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Book Synopsis Hybrid Maize in Relation to Planting Density and Nitrogen Levels by : Dharma Raj Dawadi

Download or read book Hybrid Maize in Relation to Planting Density and Nitrogen Levels written by Dharma Raj Dawadi and published by LAP Lambert Academic Publishing. This book was released on 2011-08 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maize (Zey mays L.) is the second staple food crop after Rice and produced in 3 distinct agro-climatic zones i.e. Terai and inner Terai (less than 900 masl), Mid-Hills (900-1800 masl) and High-Hills (more than 1800 masl) respectively in Nepal. Although, hybrid maize has great prospect to increase the production and productivity, less plant densities & poor nitrogen management are the major yield reducing factors in the developing world (less than 3 t ha-1) as compared to industrialized countries (more than 8 t ha-1). Most of the farmers in developing countries are using higher amount of N-fertilizers haphazardly in hybrid maize which leads to the soil degradation in near future. Because of less information regarding nitrogen requirements and planting adjustments for hybrid maize, there is urgent need to identify its proper production practices & management technology. Therefore, this work was carried out to determine the optimum densities and nitrogen levels for hybrid maize during winter season with reference to its growth, yield and yield attributes. This book is greatly useful for researcher, agronomist, development workers, academic and students working in the field of agriculture research and development.

Growth and Productivity of Winter Maize (Zea mays L.) Under Different Levels of Nitrogen and Plant Population

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Publisher : Universal-Publishers
ISBN 13 : 1612334407
Total Pages : 133 pages
Book Rating : 4.6/5 (123 download)

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Book Synopsis Growth and Productivity of Winter Maize (Zea mays L.) Under Different Levels of Nitrogen and Plant Population by : Jiban Shrestha

Download or read book Growth and Productivity of Winter Maize (Zea mays L.) Under Different Levels of Nitrogen and Plant Population written by Jiban Shrestha and published by Universal-Publishers. This book was released on 2015-09-29 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: A field experiment was conducted at farmer’s field of Anandapur, Mangalpur VDC-3, Chitwan, Nepal during winter season from September 2006 to February 2007 to study the effects of nitrogen and plant population on maize. Fifteen treatment combinations consisting of five levels of nitrogen: 0, 50, 100, 150 and 200 kg N/ha and three levels of plant population; 55555 plants/ha (60 cm × 30 cm spacing), 66666 plants/ha (60 cm × 25 cm spacing) and 83333 plants/ha (60 cm × 20 cm spacing) were tested in factorial randomized complete block design (RCBD) with 3 replications. “Rampur Composite” variety of maize was planted on sandy silt loam and strongly acidic soil having medium in total nitrogen (0.123%), high in soil available phosphorous (77.56 kg/ha) and low in soil available potassium (23.25 kg/ha). The research findings revealed that each level of nitrogen significantly increased grain yield upto 200 kg N/ha. The grain yield (6514.48 kg/ha) obtained under 200 kg N/ha was significantly higher than that of 0, 50, 100 and 150 kg N/ha. The percent increment in yield due to application of 50, 100, 150 and 200 kg N/ha was to the extent of 62.11, 104.74, 135.68 and 154.74%, respectively over control. Significant effect on grain yield due to different levels of plant population was observed. The grain yield (5113.46 kg/ha) obtained under 66666 plants/ha was statistically at par with that under 83333 plants/ha, but significantly superior over that under 55555 plants/ha. The interaction between different nitrogen levels and plant densities on grain yield showed that the highest grain yield (6925.79 kg/ha) was obtained under treatment of 200 kg N/ha + 66666 plants/ha. The yield attributes namely number of cobs/plant, cob length, cob diameter, number of grain rows/cob and 1000 seed weight significantly increased with increasing N levels and decreasing plant population levels. The number of barren plants/ha decreased with increasing levels of N but increased with increasing levels of plant population. The net return (Rs. 42188.74/ha) and benefit:cost ratio (1.67) obtained under 200 kg N/ha were significantly highest than that obtained under other levels of nitrogen (150, 100, 50 and 0 kg N/ha). The plant population of 66666 plants/ha gave the highest net returns (Rs. 25812.28) which was 10.19 and 49.64% higher than that of 83333 plants/ha and 55555 plants/ha, respectively. The benefit: cost ratio (1.44) obtained under 66666 plants/ha was significantly higher than that of 55555 and 83333 plants/ha. The interaction between different nitrogen levels and plant densities on economics of maize production showed that significantly highest net return (Rs.48606.98) and B:C ratio (1.78) were under treatment of 200 kg N/ha + 66666 plants/ha. The highest grain yield and maximum profit were obtained when maize variety “Rampur Composite” was planted with 200 kg N/ha and plant population level of 66666 plants/ha (60 cm × 25 cm spacing).

The Use of Nitrogen Fertilizer and Plant Density Treatments to Predict the Long-term Performance of Hybrids in the Maritime Maize Recommendation Trials

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Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis The Use of Nitrogen Fertilizer and Plant Density Treatments to Predict the Long-term Performance of Hybrids in the Maritime Maize Recommendation Trials by : Baluswamy Krishnan

Download or read book The Use of Nitrogen Fertilizer and Plant Density Treatments to Predict the Long-term Performance of Hybrids in the Maritime Maize Recommendation Trials written by Baluswamy Krishnan and published by . This book was released on 2001 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent maize hybrids perform better than old ones. This improved performance of modern hybrids is due in part to their stress tolerance. It may be possible to identify high-yielding, broadly adapted cultivars by assessing their performance in stress environments. To test this hypothesis, fourteen recommended maize hybrids were tested in four different agronomic treatment levels (standard density + standard fertilizer, standard density + low fertilizer, high density + standard fertilizer and high density + low fertilizer) in 2000 at two locations in Nova Scotia, each with two replications. The long-term means of these cultivars in the Maritimes Maize Recommendation Trial, which are highly unbalanced over years and are analysed using residual maximum likelihood (REML) to permit comparisons among cultivars tested in different years, were considered as their true means. Those means were regressed on means obtained from the different agronomic treatments to compare the predictive ability of the different agronomic treatment levels. Means for grain yield in the 2000 trials, when derived from averages of all agronomic treatments, were strongly (R2 = 83.3%) associated with long-term Maritime maize recommendation trial. However, regression analysis for individual agronomic treatments showed that there was not much effect of different agronomic management practices on the predictive power of trials. The strong agreement between means from the 2000 trials and the long-term means derived from the Maritime recommendation trials indicates that the REML analysis of long-term maize cultivar datasets produces accurate estimates of cultivar effects. Means derived from testing at two locations under recommended fertilizer and plant population levels appears to be highly predictive of long-term cultivar value.

Booker Tropical Soil Manual

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Publisher : Routledge
ISBN 13 : 1317902092
Total Pages : 531 pages
Book Rating : 4.3/5 (179 download)

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Book Synopsis Booker Tropical Soil Manual by : J.R. Landon

Download or read book Booker Tropical Soil Manual written by J.R. Landon and published by Routledge. This book was released on 2014-01-27 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1991. This is a more portable version of the Booker Tropical Soil Manual, in which the format (and weight) of the first edition have been reduced whilst retaining as much as possible of the original clarity. It also includes new content and appendices that cover the revised FAO publications on soil classification and on water quality for agriculture.

From Agronomic Data to Farmer Recommendations

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Publisher : CIMMYT
ISBN 13 : 9686127186
Total Pages : 84 pages
Book Rating : 4.6/5 (861 download)

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Book Synopsis From Agronomic Data to Farmer Recommendations by : CIMMYT Economics Program

Download or read book From Agronomic Data to Farmer Recommendations written by CIMMYT Economics Program and published by CIMMYT. This book was released on 1988 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Maize in China

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Publisher : CIMMYT
ISBN 13 : 9706481451
Total Pages : 77 pages
Book Rating : 4.7/5 (64 download)

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Book Synopsis Maize in China by :

Download or read book Maize in China written by and published by CIMMYT. This book was released on 2006 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Varietal Differences in Maize in the Uptake of Nitrogen and Its Translocation to the Grain

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Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Varietal Differences in Maize in the Uptake of Nitrogen and Its Translocation to the Grain by : Mario Santos Rodríguez P.

Download or read book Varietal Differences in Maize in the Uptake of Nitrogen and Its Translocation to the Grain written by Mario Santos Rodríguez P. and published by . This book was released on 1977 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Response of Hybrid Maize to Plant Densities and Fertilizer Levels Under Rainfed Condition

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Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Response of Hybrid Maize to Plant Densities and Fertilizer Levels Under Rainfed Condition by : L. Vishalu

Download or read book Response of Hybrid Maize to Plant Densities and Fertilizer Levels Under Rainfed Condition written by L. Vishalu and published by . This book was released on 2007 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Maize Research

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Publisher : Nipa
ISBN 13 : 9788119215621
Total Pages : 0 pages
Book Rating : 4.2/5 (156 download)

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Book Synopsis Maize Research by : Jiban Shrestha

Download or read book Maize Research written by Jiban Shrestha and published by Nipa. This book was released on 2023-07-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book uates its readers about the methods and management of livestock during disasters. The book has covered all mad made and natural disasters and their effect on livestock and how they can be managed better for longer survival and help to the humans. Topics on how animals can sense a disaster in advance and what are the common indications given by them and how humans can benefit from it. Book elucidates the management of feeding, feed resources, production and health so as to make the livestock production economical. It is hoped that the compilation will prove useful for the researchers, planners and policy makers to understand the causes for the loss of productivity and health of livestock in drier regions and help in devising management plans towards sustenance and improvement of production.

Handbook of Maize

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Publisher : Springer Science & Business Media
ISBN 13 : 0387778632
Total Pages : 785 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Handbook of Maize by : Jeff L. Bennetzen

Download or read book Handbook of Maize written by Jeff L. Bennetzen and published by Springer Science & Business Media. This book was released on 2009-01-16 with total page 785 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maize is one of the world’s highest value crops, with a multibillion dollar annual contribution to agriculture. The great adaptability and high yields available for maize as a food, feed and forage crop have led to its current production on over 140 million hectares worldwide, with acreage continuing to grow at the expense of other crops. In terms of tons of cereal grain produced worldwide, maize has been number one for many years. Moreover, maize is expanding its contribution to non-food uses, including as a major source of ethanol as a fuel additive or fuel alternative in the US. In addition, maize has been at the center of the transgenic plant controversy, serving as the first food crop with released transgenic varieties. By 2008, maize will have its genome sequence released, providing the sequence of the first average-size plant genome (the four plant genomes that are now sequenced come from unusually tiny genomes) and of the most complex genome sequenced from any organism. Among plant science researchers, maize has the second largest and most productive research community, trailing only the Arabidopsis community in scale and significance. At the applied research and commercial improvement levels, maize has no peers in agriculture, and consists of thousands of contributors worthwhile. A comprehensive book on the biology of maize has not been published. The "Handbook of Maize: the Genetics and Genomics" center on the past, present and future of maize as a model for plant science research and crop improvement. The books include brief, focused chapters from the foremost maize experts and feature a succinct collection of informative images representing the maize germplasm collection.

Plant Density and Nitrogen Studies with Irrigated Hybrid Maize in the Lockyer Valley, Queensland

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Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (889 download)

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Book Synopsis Plant Density and Nitrogen Studies with Irrigated Hybrid Maize in the Lockyer Valley, Queensland by : T. Dickson

Download or read book Plant Density and Nitrogen Studies with Irrigated Hybrid Maize in the Lockyer Valley, Queensland written by T. Dickson and published by . This book was released on 1968 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Breeding for drought and nitrogen stress tolerance in maize: From theory to practice

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Publisher : CIMMYT
ISBN 13 : 9706480463
Total Pages : 69 pages
Book Rating : 4.7/5 (64 download)

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Book Synopsis Breeding for drought and nitrogen stress tolerance in maize: From theory to practice by : M. Bänzinger

Download or read book Breeding for drought and nitrogen stress tolerance in maize: From theory to practice written by M. Bänzinger and published by CIMMYT. This book was released on 2000 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction - why breed for drought and low N tolerance?; Conceptual framework - breeding; Conventional approaches to improving the drought and low N tolerance of maize; Conventional approaches challenged; The challenge of breeding for drought and low N tolerance; Maize under drought and low N stress; Conceptual framework - physiology; Water and the maize plant; Nitrogen and the maize plant; Maize under drought and low N stress - consequences for breeding; Stress management; Drought; Low N stress; Statistical designs and layout of experiments; Increasing the number of replicates; Improved statistical designs; Field layout; Border effects from alleys; Secondary traits; Why use secondary traits?; How do we decide on the value of secondary traits in a drought or low N breeding program?; Secondary traits that help to identify drought tolerance; Secondary traits that help to identify low N tolerance: Selection indices - Combining information on secondary traits with grain yield; Combining information from various experiments; Breeding strategies; Choice of germplasm; Breeding schemes; Biotechnology: potential and constraints for improving drought and low N tolerance; The role of the farmer in selection; What is farmer participatory research and why is it important?; What is new about farmer participatory research?; Participatory methodologies.

Developing Drought and Low N-tolerant Maize

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Publisher : CIMMYT
ISBN 13 : 9789686923933
Total Pages : 580 pages
Book Rating : 4.9/5 (239 download)

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Book Synopsis Developing Drought and Low N-tolerant Maize by : G. O. Edmeades

Download or read book Developing Drought and Low N-tolerant Maize written by G. O. Edmeades and published by CIMMYT. This book was released on 1996 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Incidence and intensity of drought and low N stresss in the tropics; Case studies strategies for crop production under drought and low n stresses in the tropics; Stress physology and identification of secondary traits; Physiology of low nitrogen stress; Breeding for tolerance to drought and low n stresses; General breeding strategies for stress tolerance; Progress in breeding drought tolerance; Progress in breeding low nitrogen tolerance; Experimental design and software.

Studies on the Inter-relationship of Irrigation, Nitrogen and Plant Density on Growth and Yield of Hybrid Maize (Zea Mays L.).

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (652 download)

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Book Synopsis Studies on the Inter-relationship of Irrigation, Nitrogen and Plant Density on Growth and Yield of Hybrid Maize (Zea Mays L.). by : Nand Kumar Behl

Download or read book Studies on the Inter-relationship of Irrigation, Nitrogen and Plant Density on Growth and Yield of Hybrid Maize (Zea Mays L.). written by Nand Kumar Behl and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Maize Forage Yield and Quality as Influenced by Hybrid Selection, Planting Date, and Plant Density

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Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Maize Forage Yield and Quality as Influenced by Hybrid Selection, Planting Date, and Plant Density by : Jeffrey Scott Graybill

Download or read book Maize Forage Yield and Quality as Influenced by Hybrid Selection, Planting Date, and Plant Density written by Jeffrey Scott Graybill and published by . This book was released on 1990 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Statistical Procedures for Agricultural Research

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Publisher : John Wiley & Sons
ISBN 13 : 9780471870920
Total Pages : 698 pages
Book Rating : 4.8/5 (79 download)

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Book Synopsis Statistical Procedures for Agricultural Research by : Kwanchai A. Gomez

Download or read book Statistical Procedures for Agricultural Research written by Kwanchai A. Gomez and published by John Wiley & Sons. This book was released on 1984-02-17 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here in one easy-to-understand volume are the statistical procedures and techniques the agricultural researcher needs to know in order to design, implement, analyze, and interpret the results of most experiments with crops. Designed specifically for the non-statistician, this valuable guide focuses on the practical problems of the field researcher. Throughout, it emphasizes the use of statistics as a tool of research—one that will help pinpoint research problems and select remedial measures. Whenever possible, mathematical formulations and statistical jargon are avoided. Originally published by the International Rice Research Institute, this widely respected guide has been totally updated and much expanded in this Second Edition. It now features new chapters on the analysis of multi-observation data and experiments conducted over time and space. Also included is a chapter on experiments in farmers' fields, a subject of major concern in developing countries where agricultural research is commonly conducted outside experiment stations. Statistical Procedures for Agricultural Research, Second Edition will prove equally useful to students and professional researchers in all agricultural and biological disciplines. A wealth of examples of actual experiments help readers to choose the statistical method best suited for their needs, and enable even the most complicated procedures to be easily understood and directly applied. An International Rice Research Institute Book

Physiology of Crop Production

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Publisher : CRC Press
ISBN 13 : 9781560222897
Total Pages : 366 pages
Book Rating : 4.2/5 (228 download)

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Book Synopsis Physiology of Crop Production by : N.K. Fageria

Download or read book Physiology of Crop Production written by N.K. Fageria and published by CRC Press. This book was released on 2006-05-16 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This single volume explores the theoretical and the practical aspects of crop physiological processes around the world The marked decrease over the past century in the land available for crop production has brought about mounting pressure to increase crop yields, especially in developing nations. Physiology of Crop Production provides cutting-edge research and data for complete coverage of the physiology of crop production, all in one source, right at your fingertips. This valuable reference gives the extensive in-depth information soil and crop professionals need to maximize crop productivity anywhere the world. Leading soil and plant scientists and researchers clearly explain theory, practical applications, and the latest advances in the field. Crop physiology is a vital science needed to understand crop growth and development to facilitate increases of plant yield. Physiology of Crop Production presents a wide range of information and references from varying regions of the world to make the book as complete and broadly focused as possible. Discussion in each chapter is supported by experimental data to make this book a superb resource that will be used again and again. Chapter topics include plant and root architecture, growth and yield components, photosynthesis, source-sink relationship, water use efficiency, crop yield relative to water stress, and active and passive ion transport. Several figures and tables accompany the extensive referencing to provide a detailed, in-depth look at every facet of crop production. Physiology of Crop Production explores management strategies for: ideal plant architecture maximizing root systems ideal yield components maximizing photosynthesis maximizing source-sink relationship sequestration of carbon dioxide reducing the effects of drought improving N, P, K, Ca, Mg, and S nutrition improving micronutrient uptake Physiology of Crop Production is an essential desktop resource for plant physiologists, soil and crop scientists, breeders, agronomists, agronomy administrators in agro-industry, educators, and upper-level undergraduate and graduate students.