Comparison between landraces and high yielding cultivars of winter wheat in extensive, integrated and intensive farming over several years
Literatur
Sneyd J (1990) Comparison between landraces and high yielding cultivars of winter wheat in extensive, integrated and intensive farming over several years. Dev Plant Soil Sci 42:485-487
Uptake and partitioning of nitrogen in nitrogen-limited barley : dependence of age and genotype
Literatur
Mattsson M, Larsson M, Lundborg T, Larsson CM (1990) Uptake and partitioning of nitrogen in nitrogen-limited barley : dependence of age and genotype. Dev Plant Soil Sci 42:39-43
Variability of molecular nitrogen fixation and its dependence on plant genotype and diazotroph strains
Literatur
Saric MR, Zaric Z, Govedarica M (1990) Variability of molecular nitrogen fixation and its dependence on plant genotype and diazotroph strains. Dev Plant Soil Sci 42:373-379
Accumulation and translocation of nitrogen in cultivars of winter wheat with different demands for nutrition
Literatur
Pommer G (1990) Accumulation and translocation of nitrogen in cultivars of winter wheat with different demands for nutrition. Dev Plant Soil Sci 42:33-37
Responses to phosphate fertilizers of differing solubilities by white clover cultivars
Literatur
Caradus JR, MacKay AD, Wewala GS (1990) Responses to phosphate fertilizers of differing solubilities by white clover cultivars. Dev Plant Soil Sci 42:73-76
Suitability of varieties of winter wheat in low external input systems in West Germany
Literatur
Stoeppler H, Koelsch E, Vogtmann H (1990) Suitability of varieties of winter wheat in low external input systems in West Germany. Dev Plant Soil Sci 42:475-483
Investigations on the nutrient uptake efficiency of different grape root-stock species and cultivars
Literatur
Schaller K, Loehnertz O (1990) Investigations on the nutrient uptake efficiency of different grape root-stock species and cultivars. Dev Plant Soil Sci 42:85-91
Grain yield and quality characters of genotypes in F5 generation under low and high nitrogen input
Literatur
Spanakakis A (1990) Grain yield and quality characters of genotypes in F5 generation under low and high nitrogen input. Dev Plant Soil Sci 42:457-464
Social contact requirements of domestic pigs assessed by behavioral demand functions
Literatur
Ladewig J, Matthews LR (1990) Social contact requirements of domestic pigs assessed by behavioral demand functions. Current Topics Vet Med Anim Sci 53:25-30
Social recognition, social dominance and the motivation of fighting by pigs
Literatur
Rushen J (1990) Social recognition, social dominance and the motivation of fighting by pigs. Current Topics Vet Med Anim Sci 53:135-143