Yield losses of rice crop due to weed infestation are___________________?
Yield losses of rice crop due to weed infestation are___________________?
A. 10-20%
B. 5-15%
C. 20-50%
D. 20-60%
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The practice of producing two successive crops of same species from same piece of land in one year is called_________________?
The practice of producing two successive crops of same species from same piece of land in one year is called_________________?A. Intercropg
B. Doubling cropg
C. Monocropg
D. Cropg patternInternational institute for Tropical Agriculture is located at________________?
International institute for Tropical Agriculture is located at________________?A. Mexico
B. Nigeria
C. Syria
D. ColumbiaRemoval of branches for forage is________________?
Removal of branches for forage is________________?A. Litter
B. Lopg
C. Foraging
D. None of the aboveAllelocliemicals may enter in the soil through the process of_________________?
Allelocliemicals may enter in the soil through the process of_________________?A. Diffusion
B. Mass flow
C. Root exudationOne hectare is equal to___________________?
One hectare is equal to___________________?A. 3.47 acre
B. 2.471 acre
C. 1.71 acre
D. 1.9 acreLow soil pH is the indication of_______________?
Low soil pH is the indication of_______________?A. High Mg and Ca
B. High N and S
C. Low N and Ca
D. Moderate Mg and Ca