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They then landed and examined the spread of the seeds. It was found a distribution of 1 seed per square foot was obtained from a height of 100 to 150 feet (46 m). On Monday 10 March, they sowed 375 acres (1.52 km 2), using 2 lb/acre (224 kg/km 2) instead of the 5 lb/acre (560 kg/km 2) used when sowing by hand. The pair returned to examine the ...
In the same report, it added the "yield loss plus increased herbicide cost may result in an average estimated loss of $28 per acre" if atrazine were unavailable to corn farmers. [4] In 2006, the EPA concluded that the triazine herbicides posed "no harm that would result to the general U.S. population, infants, children or other... consumers." [5]
Most notably, in 2009, the European Union prohibited aerial spraying of pesticides with a few highly-restricted exceptions in article 9 of Directive 2009/128/EC of the European Parliament and of the Council establishing a framework for Community action to achieve the sustainable use of pesticides, which effectively ended most aerial application ...
A crop-duster spraying pesticide on a field A self-propelled crop sprayer spraying pesticide on a field Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others (see table). The most common of these are herbicides, which account for approximately 50% of all pesticide use globally. Most pesticides are used as plant ...
Indoor residual spraying in Kenya in 2017. Indoor residual spraying or IRS is the process of spraying the inside of dwellings with an insecticide to kill mosquitoes that spread malaria. A dilute solution of insecticide is sprayed on the inside walls of certain types of dwellings—those with walls made from porous materials such as mud or wood ...
Shotcrete is an all-inclusive term for spraying concrete or mortar with either a dry or wet mix process. However, shotcrete may also sometimes be used to distinguish wet-mix from the dry-mix method. However, shotcrete may also sometimes be used to distinguish wet-mix from the dry-mix method.
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The CA-28 was a crop spraying aircraft of the 1950s. Aerial spraying has been controversial since the 1960s, due to environmental concerns about pesticide drift (raised for example by Rachel Carson's book Silent Spring). It is now often subject to restrictions, for example spraying pesticide is generally banned in Sweden, although exceptions ...