Consider the following statements. In paddy crop, fertilizer application should be directed to the
1. Oxidised zone
2. Reduced zone
3. Surface
One kilogram of nitrogen is equivalent to which of the following quantity of urea?
Microorganisms used for suppression of plant diseases are called as ____
Method which is specifically recommended for controlling soil erosion in areas with heavy soils and slopes that fall within the range of 11-15%?
Rust of rose is caused by
The form of nitrogen that is specific to denitrification isÂ
Which insect order listed below never includes aquatic species during any life stage?
Which gases contribute primarily to the formation of acid rain?
What is the primary cause of soil salinization in agricultural fields?
In field experimentation, local control is a device to maintain