000 00644nam a2200229Ia 4500
003 OSt
005 20220228172525.0
008 150909s9999 xx 000 0 und d
040 _cCOH
041 _aEnglish
082 _a630
082 _bABR/ST
100 _aAbraham Varughese
_4Researcher
100 _aMahadevan Nair K P
_4Guide
245 _aStudies on the critical periods of weed infestation and effect of weed growth on yield and quality of a short duration rice.
250 _aM.Sc
260 _aTrivandrum
260 _bCollege of Agriculture
260 _c1978
650 _aAgronomy
942 _cTH
_2ddc
999 _c198644
_d198644