Question
 What is the primary time of application for a
pre-emergence herbicide? Paragraph for question 21 to 24 Herbicides are chemical substances used to control or kill unwanted plants (weeds). They can be classified into selective herbicides, which target specific plant species without affecting others for example a and non-selective herbicides, which kill all vegetation they come into contact with. Herbicides can also be categorized by their mode of action, such as contact herbicides, which kill only the plant parts they touch, or systemic herbicides, which are absorbed and transported throughout the plant, killing it entirely.Solution
Pre-emergence herbicides are applied before weed seeds germinate, often right after planting crops, to create a barrier that prevents weeds from growing. Therefore they have to be applied 1 to 2 days after sowing of crop.
Cyclones Gulab was a tropical cyclone that caused considerable damage to ______ Asia.
Which of the following gases is/are associated with acid rain?
1. Sulphur Dioxide and Nitrogen Oxides
2. Carbon Monoxide
3. Met...The surface temperature of the Sun is nearly -
STRIVE is a new World Bank funded project under min of skill development. What does V stands for ?
Which among the following ecosystems are likely to face the impact of global warming more than the others?
...
The process in which the branches of the tea bushes are cut off is
Which one of the following is world’s largest Start Up ecosystem ?
Which among the following is the only breeding ground for Indian Skimmer, an endangered fresh water bird species?
Which one of the following committee was constituted to review environmental laws in the country?
Which of the following is/are considered as Autotrophs?
1. Green plants
2. Blue green Algae
3. Human beings
4. Cattle