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Hydroponic Gardening
Guides - Basics to Experts level
Growing fruit and vegetables hydroponically
Practical daily questions or queries of hydroponics lovers
Current Hydroponics and Indoor Gardening Market Growth as well as Trends

_______ has been recommended for the control of weed in blackgram:

A.	Atrazine 0.5 kg/ha	B.	2, 4-D 0.75 kg/ha
C.	Fluchloralin 0.75 kg/ha	D.	Simazine 0.5 kg/ha

_______ comprises important mechanisms of herbicide detoxification in soil under field conditions especially surface incorporation subsequent to rainfall or irrigation:

A.	Thermo decomposition	B.	Blodecomposition
C.	Chemodecomposition	D.	Photodecomposition

_______is considered to be most important of the soil organisms bringing about the conversion of NH4+ to NO2-

A.	Nitrosomonas	B.	Nitrobacter
C.	Azotobacter	D.	Azospirillum

_______ is probably the most important growth limiting factor in acid soils especially those having pH below 5.0 - S.S:

A.	Nitogen	B.	Calcium
C.	Potassium	D.	Sluminium

_______ of the NH4+ in a region of alkaline microsite helps to restore the conditions suitable for the normal conversion of NO2- to NO3-

A.	Diffusion	B.	Dilution
C.	Both (a) & (b)	D.	None of these

_______ degradation plays a major role in the persistence and behaviour of herbicides in the soil:

A.	Microbial	B.	Physical
C.	Chemical	D.	Thermal

________ generally augments the utilization of phosphorus which is water soluble:

A.	Broadcast	B.	Broadcast and incorporation
C.	Band placement	D.	None of these

______ in 1909 developed an equation that related growth to the supply of plant nutrients:

A.	V.J. Kilmer	B.	R.B. McKercher
C.	J.W.Friedrich	D.	E.A.Mitscherlich

______ ion effect represents the effect of adsorbed ion on the release of another from the surface of a colloid:

A.	Supplementary	B.	Complementary
C.	Coordinated	D.	Integrated

10.

_______ a.i./ha has been recommended for the control of weeds in mungbean:

A.	Basalin @ 1 kg	B.	2, 4-D @ 1 litre
C.	Simazine @ 1 kg	D.	Atrazine @ 1 kg