Agriculture - Single MCQs (Page 29)

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Q281. Amongst the following insects which one is monophagous?...Q282. Ammonium carbamate is mixed with alumnium phosphide because?...Q283. Alternaria blight in mustard can be controlled by?...Q284. A typical 'Hopper burn' in rice is caused by feeding of?...Q285. A notorious weed, Lantana camara is controlled by?...Q286. A minimum period of _______ years is to be given before assessing the effectiven...Q287. A better of pect management depends upon?...Q288. 11-Hexudecenal is sex pheromone of?...Q289. Which of the following is perennial weed?...Q290. Which of the following soil is of ashy grey in colour?...