The book examines 15 essential or beneficial nutrients used in irrigated, upland, and floating rice across a range of geographic regions. For each mineral, the text details the cycle in the soil–plant system as well as the mineral’s functions, deficiency symptoms, uptake in plants, harvest index, and use efficiency. It then outlines management practices, covering application methods and timing, adequate rates, the use of efficient genotypes, and more. The author, an internationally recognized expert in mineral nutrition for crop plants, also proposes recommendations for the judicious use of fertilizers to reduce the cost of crop production and the risk of environmental pollution. Color photographs help readers identify nutrient deficiency symptoms and take the necessary corrective measures.
Packed with useful tables and illustrations, this comprehensive reference guides readers who want to know how to increase rice yield, reduce production costs, and avoid environmental pollution from fertilizers. It offers practical information for those working in agricultural research fields, in laboratories, and in classrooms around the world.
Select articles from the literature serve as examples in the text. For each paper discussed, the author includes the common and scientific name of the plant under investigation. For each experiment, the author provides the type of soil used (if given in the original article) and general conditions of the experiment. All references are carefully documented so that readers can easily find the original source.
The first chapter of the book deals with drought, the three types of photosynthesis, and how water moves through the soil–plant–atmosphere continuum. With a focus on soil, the next several chapters discuss the composition of the soil atmosphere, the interaction of elevated CO2 with physical factors that affect root growth, variable oxygen concentration of soil, and when the atmosphere above soil is elevated with CO2.
The author goes on to examine the use of carbon isotope ratios in plant science; the effects of elevated CO2 on plant water, osmotic, and turgor potentials; and stomata under elevated CO2, including stomatal conductance and density. The text also explains the effects of elevated CO2 on transpiration and evapotranspiration, explores historical aspects of water use efficiency, compares C3 and C4 plants under elevated CO2, and details the advantages of C4 photosynthesis. The concluding chapters cover plant anatomy, the effects of elevated CO2 on phenology, and measures of plant growth.
How have plants responded to increased levels of atmospheric CO2? Are some plants reacting better than others? Drawing on a host of scientific studies, this text explores how rising levels of CO2 in the atmosphere have impacted water in plants and soils.
Organic farming is not only a philosophy, but also a well-researched science that combines soil fertility, plant pathology, entomology, and other biological and environmental sciences. Science and Technology of Organic Farming is a concise, readily applicable resource for understanding the scientific basis for organic farming and the technology required to achieve adequate yields through plant nutrition and protection. It provides the tools necessary to dispel hampering myths about organic farming so farmers – regardless of their experience – can strengthen their own growing practices.
Emphasizes Foundations of Organic Farming – Composting, Cover Crops, & Farm Manures
Addressing relevant issues and concepts along with practical applications, chapters cover soil fertility and plant nutrition; individual plant requirements; liming; farm manures, green manures, and composts; mulching and tillage; and weed, insect, and disease control, as well as companion planting and storage. The text also includes more than 50 illustrations and a glossary with common technical and scientific terms used in conventional and organic agriculture. This valuable reference is ideal for farmers, agricultural advisers, and soil and plant scientists – in both academia and industry.