Gupta U S
Crop improvement : Physiological attributes V .1 - New Delhi Oxford & IBH Publishing Co.Pvt.Ltd. 1992 -
81 204 0596 x
nitrogen fexation
Photosensitivity
631.58 / GUP/CR
Crop improvement : Physiological attributes V .1 - New Delhi Oxford & IBH Publishing Co.Pvt.Ltd. 1992 -
81 204 0596 x
nitrogen fexation
Photosensitivity
631.58 / GUP/CR