Answer: Option [A]The correct answer is Onion. Onions can be grown from seeds, seedlings and bulblets. Proper nursery management and transplanting are important operations in the onion crop. About 0.05 hectare nursery bed area is enough for getting seedlings to transplant in one hectare.
Answer: Option [C]The correct answer is it makes some soils impermeable. Salinization on the irrigated land makes some soils impermeable. Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. It makes some soils impermeable which is the effect of salinization on the irrigated land.
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Answer: Option [D]The correct answer is Moderate temperature and moderate rainfall. Wheat is a temperate region crop thus requires moderate temperature and rainfall both. Temperature should not exceed above 20°C and rainfall should be between 50-100 cm along with a first free growing season.
Which of the above is/are used as pulse, fodder and green manure?
Answer: Option [D]The correct answer is I, II and III. Green manure crops or legumes like cowpea, horse gram and green gram improves precipitation-use efficiency during off -season. Cow Pea is Lobia. Lobia as a green manure puts in nitrogen, builds organic matter, smothers weeds and controls nematodes. Pieon Pea (Tur/ Arhar) is also extensively used as geen manure. Pulse and Fodder are all of them.
Which of these statements is/are correct ?
Answer: Option [D]The correct answer is Neither I and II.
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