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To prevent growth of crabgrass, preemergent herbicides must be applied at a critical time. If they are applied to the soil too early, they get washed too deep into the soil or washed away by rainwater. If they are applied too late, the key enzyme inhibited is no longer active. The best control requires a second application about 6–8 weeks later.
America Burning: The Report of The National Commission on Fire Prevention and Control is a 1973 report written by the National Commission on Fire Prevention and Control to evaluate fire loss in the United States and to make recommendations to reduce loss and increase safety of citizens and firefighting personnel.
An addendum or appendix, in general, is an addition required to be made to a document by its author subsequent to its printing or publication. It comes from the gerundive addendum , plural addenda , "that which is to be added", from addere [ 1 ] ( lit.
Mechanical controls—Should a pest reach an unacceptable level, mechanical methods are the first options. They include simple hand-picking, barriers, traps, vacuuming and tillage to disrupt breeding. Biological controls—Natural biological processes and materials can provide control, with acceptable environmental impact, and often at lower cost.
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Abronia spp. [except the species included in Appendix I (zero export quota for wild specimens for Abronia aurita, Abronia gaiophantasma, Abronia montecristoi, Abronia salvadorensis and Abronia vasconcelosii) Acerodon spp. (Except the species included in Appendix I) Aceros spp. (Except the species included in Appendix I) Acipenseriformes spp.
OMB Circular A-123 is a US Office of Management and Budget (OMB) Government circular that defines the management responsibilities for internal controls in Federal agencies.
The best available technology or best available techniques (BAT) is the technology approved by legislators or regulators for meeting output standards for a particular process, such as pollution abatement. Similar terms are best practicable means or best practicable environmental option. BAT is a moving target on practices, since developing ...