A standard rodent diet for space flight must meet the unique conditions imposed by the space environment and must be nutritionally adequate since diet can influence the outcome of experiments. This paper evaluates the use of National Aeronautics and Space Administration (NASA) developed Foodbars as a standard space flight diet for rats. The Foodbar’s semipurified formulation permits criteria su...

Many factors affect the silage fermentation process. For example, the DM content and buffering capacity of the crop to be ensiled, the amount of fermentable sugar available at ensiling and the type and numbers of microorganisms that dominate the fermentation process can markedly affect fermentation. However, Woolford (1990) stated that “the single most important factor which influences the effi...

For sustainable production of greenhouse vegetables and ornamentals, losses of water and nutrients must be avoided. Closed hydroponic systems are highly efficient in their use of water and nutrients, produce high yields and minimise the needs for soil sterilization. However, they carry a risk of dispersal of root-borne pathogens, mainly zoosporic oomycetes, which can cause major crop losses. To...

Intensification increases the environmental impact of livestock production systems. Efforts to recycle nutrients in livestock manure for crop production will effectively reduce several pollution problems, although general solutions are difficult to devise in view of the diversity in production systems, management strategies and legislation between countries and regions. This paper argues that a...

Rice yield can be increased in many ways such as developing new high yielding varieties or adopting proper agronomic management to the existing varieties. Proper fertilization is an important management practice to increase rice yield. Proper fertilization can markedly increase the yield and improve the quality of rice [1]. Nitrogenous fertilizer has immense effect on rice yield throughout the ...

Wheat is staple food crop for the world. Nutrient management one of important determinants yield crop. Conventional fertilizers are having several challenges in form cost, their losses environment and use efficiencies. Nanofertilizer emerging as a potential alternative to these owing small size. Nanofertilizers both macro micro nutrients have seen improvement other quality parameters nutrient c...

suspended sediment resulted from distributed soil erosions facilitates nutrient transportation and influences soil depletion. phosphorus (p) is one of the major limiting nutrients controlling eutrophication of surface water. irregular p load pulsed by heavy rainfall may damage the ecological quality of downstream waters. p transport study during rainfall events is important in both predicting a...

One of the major challenges for agriculture is to understand the effects of agricultural practices on soil properties and diffuse pollution, to support practical farm-scale land management. Three conventionally managed grassland fields with similar short-term management, but different ploughing histories, were studied on a long-term research platform: the North Wyke Farm Platform. The aims were...

Nutrients and sediments in runoff lead to the degradation of water quality of lakes and streams. The development of schemes to mitigate such degradation requires a characterization of the underlying transport processes. The objectives of this study were to develop annual and seasonal load-discharge relationships for suspended sediment (SS), total nitrogen (TN), and total phosphorus (TP) losses ...