How much boron concentration (mg/kg) is unsafe for plant growth?
Small amounts of boron (i.e. <0.5 mg/kg) are essential for plant growth, however, at only slightly higher concentrations (> 0.5 mg/l in irrigation water), it may become toxic to plants. Plant tolerance to boron in soils varies widely.
Tips of ecological pyramid is occupied by
A classical example of anadromous fish affected due to obstruction of the migratory pathway by dams is……………..
Transpiration and translocation are two major plant growth processes associated with
The innermost layer of the human gut wall is:
Which of the following is responsible for pungency in mustard oil?
Which of the following is nematicide:
Range is the measure of difference between
The real force causing entry of water into a cell from other cell is
Which system provides the accurate positional information, which will be more useful in location the spatial variability with accuracy?
Which of the following is a component of Integrated Pest Management (IPM)?
