2 edition of Products and techniques for plant nutrient efficiency found in the catalog.
Products and techniques for plant nutrient efficiency
International Conference on Fertilizers (2nd 1978 London)
|Statement||editor A.I. More.|
|Contributions||More, A. I., British Sulphur Corporation.|
|The Physical Object|
|Pagination||xi,686p. in various pagings :|
|Number of Pages||686|
Abattoir wastewater has disruption of recreational use of the waterways due to pollution, for example, odour nuisance and aesthetic amenity [ 46 ]. To avoid odour emissions a considerable amount BOD to be reduced. Since fertilizers are made from non-renewable resources, pressure to increase their use efficiencies will continue. Gen- erally, environment influences total efficiency by affecting rates of intake and maintenance energy requirement.
The method of placement varies with the crop, fertilizer, and weather. Henderson and Geasler summarized several studies comparing the value of modifying both summer and winter environ- ments with natural environments for the beef cattle studies. Make side-dress N applications close to the time of most rapid N uptake. Using which method? See page for a de- tailed description of energetic efficiency of egg production. Surveying the status of rice plants can be done by using a Leaf Colour Chart during a field visit.
Malapati, J. Extremely productive—or unproductive—in a portion of the field? Plant Nutr. Nitrogen can be lost from the plant-soil system by one or more of the following processes: leaching ; surface runoff ; soil erosion ; ammonia volatilization ; and denitrification. Nitrification inhibitors maintain applied N in the ammonium form for a longer period of time, thereby reducing leaching and denitrification losses.
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Is it irrigated? N capture[ edit ] Particular crop varieties are able to more efficiently extract N from the soil and improve N use efficiency.
Reports of energetic efficiency for animals exposed to fluctuating environ- ments compared with constant temperature are conflicting. It is also available on CD. Cations penetrate membranes faster than anoints.
Dry matter production and nutrient uptake were proportional to the rate of irrigation applied. For instance, manure fertility analysis, storage practices and other factors will need to be included in a nutrient management plan.
Berry et al. The practices that reduce nitrous oxide emissions also tend to increase nitrogen use efficiency and the economic return on fertilizer dollars. There is widespread concern for issues such as climate change and relationship of crop production to the environment and ecosystems, and IPNI programs are achieving positive results.
Cantarella, and published in in Advances in Agronomy, volume A total of 6t N, 1. Nevertheless, proper N management is needed for this purpose to minimise possible groundwater contamination.
In the recent years, meat production and consumption has been increasing considerably, and predicted to peak in The greatest potential for increasing food and other agricultural products is the more efficient use of naturally occurring precipitation in conjunction with improved soil fertility management.
While the temperature and efficiency values may differ for animals with different insulation, diets, etc. Since abattoir wastewater discharges carry significant amount of pollutants their disposal to land need high investment, which may result in the loss of land value [ 34 ]. Whereas broadcasting is the standard in areas with low-mechanization and labour constraint, there are many problems related, such as a promotion of weed growth with the result that the crop does not derive full benefit of fertilizers.
Chinese Version. It is more meaningful when relating environment and efficiency to calcu- late total efficiency in caloric terms to obtain an energetic efficiency term as shown below:.
For the reason that low concentration of fertilizers needs to be sprayed most of the fertilizers are not used for foliar application. What agreements have been worked out with neighbors for manure use on their fields? Different crops require different amount of fertilizer in different growing stages.
Make side-dress N applications close to the time of most rapid N uptake. As a result of inefficiencies in its production and use, less than 30 percent of the phosphate rock mined to produce phosphorus-based fertilizer ever becomes a part of the food chain.
This is added benefit to agricultural sector especially water scarce region. Gain RE X However, growing suitable plants for fodder production and bioenergy generation can help the industry to get additional benefits. Rice requires more N at the early- and mid-tillering stages to ensure adequate number of panicles; and at panicle initiation stage to increase grain number per panicle.
Drainage Systems[ edit ] Some subirrigation systems recycle nitrate leached from the soil profile and reduce nitrate lost in drainage water. Morrison et al.Nutrient Use Efficiency. The research team engages in several ongoing fertilizer development projects under the IFDC Nitrogen Efficiency and the Phosphate Initiative, which focus on increasing the use efficiency of nitrogen and phosphate fertilizers among other nutrient-specific research efforts.
GIS Applications in Agriculture, Volume Two: Nutrient Management for Energy Efficiency - CRC Press Book We are entering a new era in production agronomics. Agricultural scientists the world over call for the development of techniques that simultaneously increase soil. Unfortunately, this book can't be printed from the OpenBook.
If you need to print pages from this book, we recommend downloading it as a PDF.
Visit atlasbowling.com to get more information about this book, to buy it in print, or to download it as a free PDF. The last two chapters describe techniques for determining the nutrient element status of growing plants through plant analysis and tissue tests.
The Plant Nutrition Manual is loaded with information on what plants need for normal vigorous growth and development-free of nutritional stress. (source: Nielsen Book. Overall, nutrient use efficiency by crop plants is lower than 50 % under all agro-ecological conditions.
Hence, large part of the applied nutrients is lost in the soil-plant system. The lower nutrient use efficiency is related to loss and/or unavailability due to many environmental atlasbowling.com by: Nutrient use efficiency (NUE) is a critically important concept in the evaluation of crop production systems.
It can be greatly impacted by fertilizer management as well as by soil-and plant-water.