Sentence examples for organic herbicides from inspiring English sources

There simply aren't organic bug sprays that can match the power of synthetic chemicals and almost nothing in the way of organic herbicides.

Flame weeding and organic herbicides can be effective where weeds are short and applications are repeated, but the multiple applications necessary can get costly.

The central development in modern weed control was the introduction in 1945 of so-called organic herbicides; they were revolutionary in that their high toxicity allowed for effective weed control at very low dosages about 1 2 percent of the dosage rates of such earlier weed killers as carbon disulfide, borax, and arsenic trioxide.

Our results demonstrate that such a newly designed (LDH/HA)n multilayer films, combining the individual properties of HA (dual recognition ability for organic herbicides and metal ions) together with LDH nanosheets (a rigid inorganic matrix), can be applied to the simultaneous analysis of PCP and Cu II) without interference from each other.

Organic herbicides are used worldwide in agricultural crop production for protection against weed, insect and fungal attack.

Every year about six thousand of tons of organic herbicides are deliberately introduced into the environment in order to prevent loss of cultural crops.

City staff members said they planned to start the program with an organic herbicide called Avenger Weed Killer, but Councilwoman Jill Hardy asked that they consult with the city of Irvine before choosing a product.

For our study we selected compounds for their toxic effects: the poisonous heavy metals Na arsenate NaAsO2 and cadmium chloride CdCl2 known to cause damage to the cells associated with reactive oxygen species (ROS), as well as the organic herbicide paraquat.

As with many other control methods, you might need to use multiple applications of urine or use this organic herbicide in conjunction with physical removal methods.

The substances that exceed their criteria include a range of metals, pharmaceuticals, organic chemicals, herbicides, dietary components, and human hormones.

To earn money, these city slickers who knew nothing about agriculture began growing organic raspberries without herbicides, pesticides or chemical fertilizers.