The instrument used for measuring the photosynthetically active radiations (PAR) is:________?
A. Pyrheliometer
B. Pyrgeometer
C. Quantom sensor
D. Both A & C
A. Pyrheliometer
B. Pyrgeometer
C. Quantom sensor
D. Both A & C
A. Dr.Muhammad Sharif
B. Theodore-saussure
C. Shafiq Baloch at.el
D. Sach and knoop
The credit for identifying the essentality of nitrogen to plants goes to________? Read More »
Agriculture Mcqs, Soil Science A. Ammonical
B. Nitrate
C. Ammonical-nitrate
D. Both B & C
What kind of nitrogenous (N) fertilizers should not be used for flooded soil: Read More »
Agriculture Mcqs, Soil Science A. 1.4 mg of N
B. 14 mg of N
C. 0.14 mg of N
D. 140 mg of N
1 meq of HCl is equal to_________? Read More »
Agriculture Mcqs, Soil Science A. Chemoautotroph
B. Photoautotroph
C. Saprophyte
D. None of these
A. Denitrification
B. Leaching
C. Volatilization
D. None of these
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________? Read More »
Agriculture Mcqs, Soil Science A. Bacterial & fungal disease
B. Physiological disease
C. Viral disease
D. The above statement is wrong
Browning disease of rice is a_________? Read More »
Agriculture Mcqs, Soil Science A. Ca
B. Mg
C. S
D. N
If a manure pile is exposed to the rain, what nutrient will be lost the most ? Read More »
Agriculture Mcqs, Soil Science A. 30-35 c, pH 5.5
B. >35 c, pH less than 5
C. 25-40 c, pH 8-8.5
D. All of thses
What is the optimum temperature and pH for nitrifying bacteria ? Read More »
Agriculture Mcqs, Soil Science A. Creep
B. Saltation
C. Siltation
D. None of these
The first mechanism to start in the wind erosion is_________? Read More »
Agriculture Mcqs, Soil Science