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- Coffman, F.A.; Davis, L.L.
- Agronomy journal 1934 v.26 no.4 pp. 318-327
- crossing; height; plant characteristics; Avena sativa; heterosis; seed germination; varieties; hybridization; inflorescences; length; stems; oat straw; hulls; weight; early development; yield components; grains
- ... Immediate increase in kernel weight apparently resulted from hybridization in oats. Average weight of kernel and of groat on resulting F1 individuals was also considerably increased. In plant height and panicle length F1 oat plants usually exceeded their parental means, and in one cross their larger parent. Oat hybrids usually contain fewer culms than their parents. Crosses involving Victoria, a p ...
- Hutchings, I.J.; Martin, T.L.
- Agronomy journal 1934 v.26 no.4 pp. 333-341
- Medicago sativa; Avena sativa; carbon nitrogen ratio; degradation; soil organic matter; carbon dioxide; nitrates
- ... 1. When alfalfa and sweet clover roots and tops and straw are added to soil that as the CO2 evolution decreases NO3 accumulation increases. 2. That the addition of NaNO3 to narrow the ratio stimulates CO2 evolution during the first few days. 3. That the addition of NaNO3 delays the maximum accumulation of NO3 for a time. 4. That where NaNO3 was added tbe alfalfa roots and straw treated soils showe ...