Drum culture technique is used to determine water requirement of lowland rice. In this method, four drum of size 50×50×50 cm are taken i.e. A, B, C and D. A and B have bottom while C and D are without bottom. All the drums are embedded in soil leaving 20 cm above soil surface. Rice is transplanted in drum A, C & D. and rice seedlings without roots are planted in drum B and the data on percolation, evaporation, ET, transpiration and effective rainfall is obtained.
Cannibalism in poultry is often due to the deficiency of which nutrient?
The germination of seeds while still on the mother plants is known as ____
A non selective translocated herbicide is
Most effective pesticides are ......................?
Urea contains:
The Command Area Development & Water Management (CADWM) Program was started as a Centrally Sponsored Scheme in the year 1974-75 with the objective to br...
Crown Gall disease is caused by
Which one the following is in order of Heavy metal content in different vegetative part of the vegetable plants?
In ecology, what does the term "niche" refer to?
Which of the following term is used for the system of raising arable crops along with the fruit trees?
