cam a22 u 4500 128704594 CHVBK 20200921121738.0 880212s1967 xxu | 10 |eng|d (OCoLC)637209301 (NEBIS)000259630 ETH-BIB ger ETH-BIB ETHICS-ISBD Maximum crop yields: the challenge two symposia (on "Maximum yields and high yield efforts"; held at the Annual meetings of American Society of agronomy, Crop science Society of America and Soil science Society of America, Stillwater, Okla., August 21-26, 1967) ed.: D.A. Rohweder, S.E. Younts Madison, Wisc. 1967 XI, 92 p. fig.; tab.; diagr.; maps ASA special publication no. 9 9 (NEBIS)000023784 295545011 ERNTEERTRAGS-STEIGERUNG (LANDWIRTSCHAFT) ger (ETHUDK)000031132 ethudk ERTRAGSPHYSIOLOGIE (KULTURPFLANZEN) ger (ETHUDK)000031131 ethudk KULTURPFLANZENWACHSTUM ger (ETHUDK)000031118 ethudk Konferenzschrift Stillwater (OK) 1967 gnd-content u ERTRAGSPHYSIOLOGIE (KULTURPFLANZEN) ger 631.547%581.1 nebis E1 u KULTURPFLANZENWACHSTUM ger 631.547 nebis E1 u ERNTEERTRAGS-STEIGERUNG (LANDWIRTSCHAFT) ger 631.559.2 nebis E1 u CROP YIELD PHYSIOLOGY (CROP PLANTS) eng 631.547%581.1 nebis E1 u PHYSIOLOGIE DU RENDEMENT (PLANTES CULTIVÉES) fre 631.547%581.1 nebis E1 u CROISSANCE DES PLANTES CULTIVÉES fre 631.547 nebis E1 u CROP GROWTH eng 631.547 nebis E1 u CROP YIELD INCREASE (AGRICULTURE) eng 631.559.2 nebis E1 u AUGMENTATION DU RENDEMENT DE LA RÉCOLTE (AGRICULTURE) fre 631.559.2 nebis E1 Rohweder D.A. Soil Science Society of America Annual Meeting (DE-588)1091883505 BK020800 XK020000 XK020000 101 E01-1967 Stillwater (OK) Kongress = Congrès 1967 NEBIS E16 E16 RH P T 4153: 9 NEBIS 490 -- ASA special publication no. 9 9 (NEBIS)000023784 295545011 NEBIS 700 1- Rohweder D.A. NEBIS 711 2- Soil Science Society of America Annual Meeting (DE-588)1091883505 SWISSBIB 128704594