1. Father of agronomy is – Peter Decresenzi
2. Dr. Biwant Rajis the founder of Relay cropping
3. The Directorate of cropping System researcha is located at – Modipuram , Meerut, U.P.
4. Scientific study of mixed cropping was firstly done by – La-Flitze (1928)
5. Relay cropping concept was derived from – Relay race
6. Natural Resource management is an example of Sustainable Agriculture
7. Cropping System is a component of – Farming System
8. When the sub crop are sown to supplement of yield of the main crop , the sub crops are known as – Augmenting Crops
9. The main crop is grown in the center , surrounded by hardly or thorny crops, the sub crop is known as – Guard Crops
10. The yield of both crops , grown together are found to be higher than the yield of their pure crops on unit area , such cropping is known as –Synergetic Cropping
11. What is a Cash Crop – those crops , which may be sold directly from the field without processing like vegetables , potato, etc.
12. Formula of Cropping Intensity = Total Cropping Area / Total Sown Area X 100
13. The growing of two or more crops on the same field in a year is called – Multiple Cropping
14. The practice of raising grasses or pasture , is also known as – Ley farming
15. In India , the maximum acreage and production of wheat is in UP
16. The type of fruit of wheat is Caryopsis
17. The optimum temperature for ideal germination of wheat is 20 to 25 °C
18. Norin-10 gene was brought to USA by – S.C. Salamone (1984)
19. The dwarf winter variety of wheat first time developed through using Norin gene by – Dr. O.A.Vogel (USA)
20. Triple gene dwarf variety were released in 1970
21. Double gene dwarf varieties of wheat – HD 2204, Janak, UP 215, Pratap, Kalyansona, Arjun, Sonara 64
22. Single gene dwarf varieties of wheat – Sonalika , Girija, UP-262 ,Wl 711,Lerma Rojo 64A
23. The protein found in wheat flour which is helpful for chapati making – Gluten
24. Central Zig – Zag axis of wheat is called – Rachis
25. Mexican dwarf wheat was evolved by – Dr. N. E. Borlaug
26. The toxic alkaloid found in the leaves of sorghum crops is – Dhurin or HCN
27. CSH 1 was released as first dwarf sorghum hybrid in 1964
28. Which crop is known as camel crops – Sorghum
29. Native of Jower is Africa (Ethiopia & Sudan)
30. The maximum area & Production of Jowar is in Maharashtra
31. Jower is poor in lysine but rich in – Leucine
32. The inflorescence of Jower is called – Panicle
33. First hybrid variety of Bajra is HB-1 (1965) developed at PAU, Ludhiana
34. Protein content in Bajra is 11-12 %
35. Origin of Bajra is Africa
36. Bajra is sensitive to – Water logging and Acidic soil
37. The largest producer state of cotton in India is – Gujarat
38. Bad opening of cotton balls is known as – Tirak
39. In cotton , the maturity of fibre is judged by – Arealometer
40. H-777 is the cultivar of bt-Cotton
41. Hybrid -4 is the first hybrid commercial cotton of the world developed by – Dr. C.T. Patel in 1970
42. The leaves of cotton becomes reddish in colour due to decrease nutrient uptake and moisture
43. DRIS concept given by – Beaufils
44. Cotton belongs to- Malvaceae Family
45. Intra – Specific hybrid of cotton is – Hybrid -6, savita, surya
46. Interspecific hybrid of cotton is – Varalaxmi , DCH-32 , HB -224 etc
47. One seed of cotton has 60000-80000 fibres
48. Ginning %= wt. of lint / wt. of seed cotton taken for ginning X 100
49. The removal of lower leaves which come in contact with soil and lose their commercial value is known as Priming Process.
50. Priming method is used in – Cigarette and Wrapper Tobacco
