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The development and evaluation of an air pressurised fluid drill


, : The development and evaluation of an air pressurised fluid drill. Acta Horticulturae (72): 109-120

The design and operation of a pneumatically-operated pressurised fluid drill is described, together with experiments which show that very little damage was sustained by the seeds during drilling even when seeds with radicles longer than 10 mm were used. Experiments also showed that the spacing distribution of several crops obtained with this drill is comparable with conventional thin line seeding drills.

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Woo SunHee; Adachi, T., 1997: Production of interspecific hybrids between Fagopyrum esculentum and F. homotropicum through embryo rescue. Interspecific hybrids between common buckwheat (Fagopyrum esculentum) and a wild relative (F. homotropicum) were produced by cross pollination and embryo rescue. Ovules were excised at 3, 5, 7 or 11 days after pollination of both pin (long-styled)...

Dixon, M. A., 1968: Fish otolith assemblage of gastrolithic beach gravel. Bulletin American Association of Petroleum Geologists, 52: 525

Li, Y.; Tsai, M.-Daw, 1993: Phospholipase A-2 engineering: 10. The aspartatehistidine catalytic diad also plays an important structural role. The "catalytic triad" of serine proteases and lipases and the "catalytic diad" of phospholipase A-2 (PLA2) are the key catalytic machineries of these enzymes. We present evidence that the catalytic diad of PLA2 also plays an im...

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Nomura, Y.; Nakai, S.; Hosomi, M., 2005: Elucidation of degradation mechanism of dioxins during mechanochemical treatment. Model dioxin compounds 4-chlorobiphenyl (4CB), octachlorodibenzo-p-dioxin (0013), and octachlorodibenzofuran (OCDF) were degraded by a mechanochemical (MC) process that involved milling with calcium oxide by use of a planetary ball mill. The degra...

MIHALYI.E.; BILLICK.I.H., 1963: Transformation of fibrinogen into fibrin. III. Kinetics of the pH change associated with the clotting of fibrinogen. Biochimica et Biophysica Acta 71: 97-108

Koutsoyiannis, D., 2001: Coupling stochastic models of different timescales. A methodology is proposed for coupling stochastic models of hydrologic processes applying to different timescales so that time series generated by the different models be consistent. Given two multivariate time series, generated by two separate (u...

Sanchez-Ramos, J.R.; Michel, P.; Weiner, W.J.; Hefti, F., 1988: Selective destruction of cultured dopaminergic neurons from fetal rat mesencephalon by 1-methyl-4-phenylpyridinium: cytochemical and morphological evidence. Dopaminergic neurons in cultures of dissociated cells from fetal rat mesencephalon were exposed to the principal metabolite of the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-methyl-4-phenyl-pyridinium ion (MPP+), and several...