نتایج جستجو برای: half silking
تعداد نتایج: 189558 فیلتر نتایج به سال:
Planting maize (Zea mays L.) reasonably densely and adding amounts of appropriate nitrogen fertilizer are essential measures to improve the efficiency yield use. In this study, two planting densities 7.5 × 104 plants ha?1 12.0 were established with varieties DengHai 618 (DH618) XianYu 335 (XY335). Simultaneously, 18 levels application established, including a lack (N0) increments 45 kg up 765 (...
In previous investigations of several maize cultivars, an improvement the harvest index was obtained by paclobutrazol (PAC) application combined with increase in water-use efficiency. However, so far nutrient-utilization efficiencies could not be enhanced when control and PAC-treated plants received same amount fertilizers. With adjusted fertilizer supply according to lower requirement smaller,...
ATHB17 (AT2G01430) is an Arabidopsis gene encoding a member of the α-subclass of the homeodomain leucine zipper class II (HD-Zip II) family of transcription factors. The ATHB17 monomer contains four domains common to all class II HD-Zip proteins: a putative repression domain adjacent to a homeodomain, leucine zipper, and carboxy terminal domain. However, it also possesses a unique N-terminus no...
Hybrid selection in maize (Zea mays L.) over the decades has increased post-silking dry matter (PostDM) and nitrogen (PostN) accumulation, often with an accompanying increase in one or more N use efficiency (NUE) metrics such as partial factor productivity (PFP), N conversion efficiency (NCE), and N internal efficiency (NIE). More certainty on the underlying mechanisms of how PostDM and PostN c...
The regulation of quantal size through pre- rather than postsynaptic mechanisms has recently received considerable attention as a potential mechanism for plasticity. Vesicular transporters catalyze the filling of synaptic vesicles with transmitter and are thus potential substrates for such presynaptic regulation. In this issue of Neuron, Prado et al. pursue this line of investigation and show t...
Cardiothoracic Surgeons of Great Britain and Ireland. Tom Treasure is responsible to the society for the collection and collation of these data and has a mandate from the society’s annual general meeting of its members to disseminate information based on the data. Contributors: AS, TT, and JvdM were responsible for study concept and design. TT and AS were responsible for acquisition of the data...
In reading through the various preprints, I was struck by the fact that many were concerned with specific computer implementations of one kind or another. Unfortunately, there seems to be little discussion of the program-ing from the programmer's viewpoint. This is under standable in a congress of computational linguistics but, I feel, somewhat regrettable. Especially nce the reports of what ha...
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