Edited m parthasarathi (2 risultati)

Contents Preface 1 Introduction 2 Crop nutrient classification and function 3 The soil crop nutrient medium 4 Nutrient uptakes 5 Assimilation 6 Crop water relation 7 Crop growth and production 8 Fertilisers and organic manures 9 Essential elements Bibliography IndexCrop nutrition is a difficult subject to understand completely partially because of the variation between different plants and even between different species or individuals of a given clone The right proportion of nutrition at right time is pre requisite for satisfactory crop growth and production The use of soil tests can help to determine the status of plant available nutrients to develop fertilizer recommendations to achieve optimum crop production The profit potential for farmers depends on producing enough crop per acre to keep production costs below the selling price Efficient application of the correct types and amounts of fertilizers for the supply of the nutrients is an indispensable part of achieving profitable yields 272 pp. tables (illustratore).…

Contents Preface 1 Introduction 2 Genetics DNA and plant breeding 3 Gene stacking 4 Transformation a powerful tool of crop improvement 5 Transgenic of plant hormones 6 Techniques of plant genetic modification 7 Genetic engineering of wheat 8 Sorghum transformation for resistance to fungal pathogens 9 Legislation covering GM crops and foods 10 Current and future uses of GM crops in agriculture 11 Issues that have arisen in GM crop 12 Safety and politics Bibliography IndexGenetically modified foods are foods derived from genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques The main aim of genetically modified crops is to produce a food that is able to survive even if any harmful chemicals or pesticides or herbicides are sprayed Other benefit of genetically modified crops is to make food stay fresh for a long time Some of genetically modified crops and food are corn tomato beets potatoes sprouts and aldalfa It involves the insertion or deletion of genes Gene modification is the process of cisgenesis where genes are artificially transferred between organisms that could be conventionally bred 304 pp.…