TY - BOOK AU - Biscoe, P.V., ed. AU - Dennis, C., ed. AU - Hurd, R.G., ed. ED - Association of Applied Biology. TI - Opportunities for increasing crop yields SN - 027308481X U1 - 631.5 21st ed. PY - 1980/// CY - Boston PB - Pitman Advanced Publishing KW - Plants cultivated KW - Plants physiology KW - Plants protection ER -