CULTIVATION OF SOME IMPORTANT CROPS
Q.1
Miracle rice (first dwarf variety) of India is.
Ans.
Jaya.
Q.2
Seed rate of hybrid rice is
Ans.
6-10 Kg/acre.
Q.3
Hydrothermal treatment of rice grain before milling.
Ans.
Paraboiling.
Q.4
Khaira diseases of rice is due to
Ans.
Zinc deficiency (AAO 2009).
Q.5
Seed rate in depog method for rice.
Ans.
3-4 kg/m².
Q.6
Optimum pH of soil required for growing rice is
Ans.
4-6.
Q.7
Spacing for sowing of seedlings of rice.
Ans.
20 x 10cm.
Q.8
Area required for seedling preparation in Depog method.
Ans.
25-30 m².
Q.9
Gene responsible for dwarf ness in rice.
Ans.
Dee-Gee-Woo-gene.
Q.10
Parboiling of rice conserve the vitamin.
Ans.
Vitamin–B12.
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