A large amount of plant residue containing heavy and hazardous metals is generated in Iranian lead zinc plant annually.
Other industries producing waste, during the processing large amount of plant material or spent compost, are less seasonal or even out of synchronisation with the growing season.
Moreover, large amount of plant residues especially from different trees including leaf litter is also generated daily which is a potential environmental hazard via land-filling and incineration of these carbon pools (Chaudhry et al. 1999).
Large-scale flotation of archaeological sediments has made it possible to recover a large amount of plant remains (fruits, seeds and wood) from units VIII, IX, Xa and Xb at El Salt, Eastern Iberia 49.2 52.33 ka BP).
The developed system made it possible to obtain 3D digitalized images of crops, from which a large amount of plant information – such as height, width, volume, leaf area index and leaf area density – could be obtained.
Colonies can harvest a large amount of plant material, for example a study of Atta colombica colonies in Panama found that they collected an average of ∼250 Kg (dry weight) of plant material (including leaves, fruit, nuts, and flowers) per colony during a one-year observation period [9], [10].
The nematode uses a large amount of plant resources to develop and reproduce.
This procedure provides an indication of the number of integrated copies, but is quite costly in terms of reagents, labour, and time, and it requires a relatively large amount of plant material to start with.
Don't be disappointed that you get a very small amount of essential oil from a large amount of plant matter.
Some studies have shown that people who eat large amounts of plant sterols have lower cancer rates than those who do not.
