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Tuesday, May 5, 2020 | History

4 edition of Fertilizers, Crop Quality and Economy (Pontificiae Academiae Scientiarum Scripta varia ; 38) found in the catalog.

Fertilizers, Crop Quality and Economy (Pontificiae Academiae Scientiarum Scripta varia ; 38)

V. Hernando Fernandez

Fertilizers, Crop Quality and Economy (Pontificiae Academiae Scientiarum Scripta varia ; 38)

by V. Hernando Fernandez

  • 377 Want to read
  • 9 Currently reading

Published by Elsevier .
Written in English


The Physical Object
Number of Pages1468
ID Numbers
Open LibraryOL7529949M
ISBN 100444412778
ISBN 109780444412775

Soil Fertility and Fertilizers: An Introduction to Nutrient Management, Eighth Edition, provides a thorough understanding of the biological, chemical, and physical properties affecting soil fertility and plant nutrition. Covering all aspects of nutrient management for profitable crop production, the text pays particular attention to minimizing the environmental impact of soil and fertilizer Cited by: Our objectives were to: (i) determine the effects of including summer cover crops and N rates in the cropping system on the growth and yield of the succeeding grain sorghum [Sorghum bicolor (L.) Moench] crop, (ii) calculate the N fertilizer replacement value (NFRV) and evaluate economic returns, and (iii) determine the most cost‐effective.

• Crop production improvement • Crop protection management. CROP VARIETY IMPROVEMENT This approach depends on finding a crop variety that can give a good yield. Varieties or strains of crops can be selected by breeding for various useful characteristics such as disease resistance, response to fertilisers, product quality and high Size: KB. Managing nitrogen fertilization is one of the most important criteria in the precision agriculture, which helps to improve crop production, environment conditions, and farmer’s economy. It is very important to apply N fertilizers with efficient methods allowing to the nutrient use efficiency and avoiding nitrogen losses and environment : Salima Yousfi, José Fernando Marin Peira, Gregorio Rincón De La Horra, Pedro V. Mauri Ablanque.

and fertilizer-to-crop price ratios, fertilizer subsidy regimes, nutrient management regulations, nutrient recycling practices and innovation. Nitrogen is by far the largest nutrient, accounting for almost 60% of total consumption. Phosphorus (phosphate) and potassium fertilizers are primarily applied to improve crop quality. Average utilization rate of fertilizer nutrients by the first crop Categorization of selected countries based on rice yield, nitrogen use and nitrogen-use efficiency, –97 Buildup and maintenance approach for making fertilizer recommendations for maize Effect of fertilizers and FYM on the productivity and File Size: 2MB.


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Fertilizers, Crop Quality and Economy (Pontificiae Academiae Scientiarum Scripta varia ; 38) by V. Hernando Fernandez Download PDF EPUB FB2

Crop Productivity, Fertilizer Use, and Soil Quality in China With M. Fan, P. Christie, W. Zhang, F. Zhang China's economy has made great strides sinceand especially since China initiated economic reforms and the open door policy in the by: 8.

It explains the interrelation of soil type, moisture, and the macro- and micronutrients to grow plants successfully. In the ninth edition, the highly credentialed editors place more emphasis on the relationships of fertilizer application and crop management to environmental quality and long-term productivity/5(14).

Fertilizers are plant nutrients, required for crops to grow • Crops need energy (light) CO 2, water and minerals to grow • Fertilizers carbon in crops originates from CO 2 absorbed through the leaves • Crops absorb water and plant nutrients from the soil • Plant nutrients are building blocks of crop material.

Without nutrients the crops can not grow. Excessive application of fertilizers leads to the loss of a high amount of nutrients and low fertilizer utilization, which severely restricts crop productivity.

Establishing better fertilizer usage practices can mitigate the adverse effects of excessive fertilizer use in agricultural practices. This study determined the effects of slow-release fertilizers on the growth; quality; root and Author: Cheng Wang, Jian Lv, Jeffrey A.

Coulter, Jianming Xie, Jihua Yu, Jing Li, Jing Zhang, Chaonan Tang. plant growth, yield, and quality. Fertilizers are classified as follows in terms of their chemical composition: 1) Mineralfertilizersconsistofinorganicorsyn-thetically produced organic compounds.

2) Organic fertilizers are waste products from animal husbandry (stable manure, slurry ma-nure), plant decomposition products (com. neral nutrient sources with appropriate soil management practices and crop variety selection, and on the “4Rs” of nutrient stewardship, namely the need to determine - based on crop-and soil-specific investigation - the 1) correct source of fertilizers (matching the fertilizer types with the crop needs); 2).

fertilizers and improved seeds. The higher yield would in turn allow farmers to sell a larger part of the production, and consequently improve their economic situation.

results from The this survey show that the outcome from using fertilizers and improved seeds does not /or always exceed the yield from using non-improved seeds. Organic fertilizers enhance the natural soil processes, which have long-term effects on soil fertility.

The book is a very valuable compilation in this : Rajeev Pratap Singh. major types of bacterial fertilizers. The major contents of this book is crop response to biofertilizers, nitrogen fixation, phosphate solubilising microorganisms, application and evaluation techniques, Bio Gas production, pest and disease management system in agriculture, production, promotion, quality control, marketing, future research planning.

The general objective of the study is to examine determinants of fertilizer use among smallholder food crop farmers in Ondo state, Nigeria. The specific objectives are to: Examine some socio-economic characteristics of food crop farmers in Ondo state, Nigeria.

Examine fertilizer use among the food crop farmers in the study areaFile Size: KB. Fertilizers, crop quality and economy: proceedings of a Study Week on the Use of Fertilizers and their Effect on Crop Growth, with Emphasis on Quality and Economy, April 10thth, (Book, ) [] Get this from a library.

Agriculture and Animal Husbandry. This book covers the following topics: Study of Soil and Climate, Plant Nutrients, Manures and Fertilizers, Field Crops, Horticulture Crops, Different diseases of Crop Plants, Pests of Crops Plants, Weeds and Weed Control, Plant Propagation and Nursery, Advance Techniques in Agriculture, Green House and Poly House, Feeds and Fodders, study of Cattle.

Fertilizers are very important for the crop growth, yield, quality parameters, even for soil health only when applied in optimum recommended dose or when used judiciously. Nitrogen fertilizer application in agriculture has resulted in a number of adverse impacts on human health.

Agriculture is one of the largest sources of global warming emissions in China (), and those that are fertilizer-related are the largest China, crop production emissions from the application of inorganic fertilizer account for an average of 57% of total global warming.

In general, in horticultural crops large amounts of fertilizers are being used to maintain high production levels of quantity and quality. Nitrogen in excess quantities is also toxic and can have adverse effects on the quality of the economic by: 8. In this, (c) Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.

Use of any quality seeds is not sufficient until they are properly irrigated, enriched with fertilizers and protected from biotic factors. The amount of fertilizer applied can be controlled using modern application techniques, including soil and crop management, guaranteeing higher economic profit and lower environmental cost.

It is in such a context that the present book addresses the efficient and rational use of mineral and organic fertilizers while preserving environmental.

What is the optimum quantity of NPK fertilizer that can be used on crops. Research hypothesis. H0: there is no significant effect of NPK fertilizer on crop growth. H0: there is a significant effect of NPK fertilizer on crop growth.

Definition of terms. Fertilizer: a chemical or natural substance added to soil or land to increase its. Paddy-rice-upland crop rotations have been recommended and used to improve soil quality and reduce input 3. In China, these rice-based rotations contribute to 72% of Cited by: Soil Fertility Guide Manitoba REVISED Foreword Guidelines in this publication are based upon traditional recommendations developed by the Manitoba Soil Fertility Advisory Committee, and updated through new research findings.

Effects of Nitrogen and Moisture Supply On Crop Yield and Quality File Size: 1MB. The share of planted crop acreage receiving fertilizer, and fertilizer applications per receiving acre (by nutrient), are presented for the major producing States for corn, cotton, soybeans, and wheat (data on nutrient consumption by crop start in ).

Fertilizer farm prices and indices of wholesale fertilizer prices are also available.Organic farming is becoming very popular. The farmers have now started adopting organic farming in a big way and as such the demand of organic fertilizers and biofertilizers is increasing in the market.

Presently, the farming objective is the sustainable economic yields File Size: 2MB.Hernando Fernandez. V. (Ed.) () Fertilizers, crop quality and economy. Proc. study week on use of fertilizers and their effect on crop growth, with emphasis on crop quality and economy.

Elsevier Scientific Publ. Co., Amsterdam/ Oxford/New York. pp. Google Scholar.