adaptation of direct planting systems to humid tropical climates

... loss of nutrients in the residual ash via surface runoff and leaching The disruption of communities of soil macrofauna, microfauna, and microflora, and of their functions, plus the depletion of ... 301 Tree crop-based agroforestry systems, which function as multistrata systems, are an ecologically and economically important group of land-use systems in the humid and subhumid tropics They are ... agroforestry systems are composed of several strata of trees and tree crops While the simplest systems consist of only two strata — a lower stratum of tree crops such as coffee (Coffea spp.), cocoa (Theobroma...

Ngày tải lên: 11/08/2014, 17:21

... involvement of a number of actors, often of those who are usually considered to be outside of the traditional product chain The development of scenarios that can be tested with real life actors and ... on how to develop these tools and how to analyse collected data, due to the general nature of these tools and availability of sources, which can provide help in these respects 2.4 Outline of the ... levels of customer satisfaction Examples of these include the possibility to rent a tool for a longer period of time for the standard rate (service) or the existence of a possibility to rent...

Ngày tải lên: 04/11/2013, 10:15

Ngày tải lên: 07/11/2013, 09:15

Ngày tải lên: 14/12/2013, 12:15

... quasi-religious attitudes 406 CHAPTER EVOLUTION OF GSM AND CDMAONE TO 3G SYSTEMS of engineers towards methods of multiple access The meagre spectrum of 1.25 MHz at the top of the AMPS band was just about adequate ... codes to prevent the crest factor, i.e the ratio of the peak -to- mean transmitted power, from becoming too high The crest factor is allowed to be up to 18 dB We recall that in the presence of multiple ... EVOLUTION OF GSM AND CDMAONE TO 3G SYSTEMS Figure 6.16: Slot and frame structure of the primary common control physical channel 30 kb/s to 1920 kb/s, corresponding to spreading factors of 256 to 4,...

Ngày tải lên: 23/12/2013, 17:15

... existence of fewer firms in a sector (e.g oligopolistic market) may also lead to the type of inter-firm rivalry akin to the perfectly competitive model Another set of indicators used to analyse ... marketing chain need to know how to assess the quality of fish, how and where to market the fish, how to negotiate good prices and what types of fish are in demand with which type of customers Again, ... Evaluation of a Systems- based Approach to the Reduction of Blowfly Infestation of Traditionally Processed Fish in Tropical Developing Countries’ (MD Associates) (1) Fish Marketing Systems. qxd...

Ngày tải lên: 07/03/2014, 00:20

Ngày tải lên: 08/03/2014, 18:20

... phenomena to allOW for? What other kinds of interactions? Error analysis points in the obvious directions of user needs, and so the types of sentences employed While it is justified to quit the ... 12 words were r e s p o n d e d to i n a b o u t l s e c o n d s The system clearly has to be reasonably free of bugs -in my case, 12 bugs were hit in the total of 1615 parsed and n o n p a r ... e to establish s o c i a l relations racher than the direct purpose of communication This term has been broadened to i n c l u d e a l l f r a g ments which h e l p keep t h e c h a n n e l of...

Ngày tải lên: 17/03/2014, 19:20

... Types of DRE Systems Pushbutton and Touchscreen A Full-face pushbutton DRE B Detail of pushbutton DRE Voter pushes button to illuminate choice C Touchscreen DRE B A C Source: Local election officials ... optical scan systems often use vote-tally software to tally the vote totals from one or more vote tabulation devices If election officials program precinct-based optical scan systems to detect and ... election officials and representatives of professional and technical organizations It is chaired by the Director of the National Institute of Standards and Technology • The Standards Board brings together...

Ngày tải lên: 23/03/2014, 03:20

... (ML): • Assignment of syntactic labels • Insertion of function words • Insertion of clitics • Assignment of case (Proc) Stage Conversion to syntax tree (Proc) • Introduction of syntactic representation ... the syntactic category of the node, of its parent, the syntactic function of the node, the voice of the parent, the arguments of the parent, and the agreement features of the grand-parent These ... much as possible the set of features to be extracted We exploit the full set of features and attributes available in the analysis, instead of pre-determining a small set of potentially relevant...

Ngày tải lên: 31/03/2014, 20:20

... and development these last 15 years I am very grateful to Director Chia-Jen Lin and to Director Anthony Yuan-Tian Chen of the Department of System Planning at the Tai-Power Company for their support ... generator and the load center was 2105 MW With a 5% security margin, the output of the remote generator was set to 2000 MW The local generator then needs to supply 500 MW to the load center to meet ... numerical integrations of the set of equations to simulate system behaviors relative to a given disturbance A numerical solution of a set of DAEs is a sequence of approximate values of the solution...

Ngày tải lên: 30/05/2014, 23:38

... prior to the identification of bifurcations [22, 23] However, in the context of biophysical systems, model variables often have a direct physiological meaning and so it is tempting to try to avoid ... discussed above, when applied to slow-fast systems with a Hopf bifurcation, may lead to changes in the criticality of the Hopf bifurcation From a dynamical systems point of view, it is well established ... right null vectors of the Jacobian J Without loss of generality, we assume that the (j × j ) sub-matrix Dm h of the Jacobian J has full rank j This implies that the right nullvector wr of J has...

Ngày tải lên: 20/06/2014, 23:20

... triage to service “Triage to service” does not refer to the process of patients being admitted to the hospital from the ED, but rather to the process whereby patients arriving at the ED are directed ... one means of assessing the landscape of emergency care in a regional or national system and common terms by which to compare these systems across countries Physical location of EDs One of the most ... level allows researchers to track the development of an emergency care system while embracing the fact that systems of emergency care must adapt to local circumstances to succeed Summary Using...

Ngày tải lên: 21/06/2014, 02:20

... performance of these order adaptation methods, tone classification experiments are conducted on a small set of Mandarin vowels, where the classes correspond to the four basic types of tones The ... four tones: the flat tone (tone 1), the rising tone (tone 2), the falling and rising tone (tone 3), and the falling tone (tone 4) Each tone of each vowel from a female voice is recorded five times ... the discrimination of different vowels of the same tone is 12.20 on average across tones This indicates that the discrimination of tones is more difficult than the discrimination of vowels, as expected,...

Ngày tải lên: 21/06/2014, 20:20

... estimates after 250 days of age was considered to be an artifact of a decrease in σP due to small numbers of records 3.3 Correlations Estimates of direct genetic (rA ), direct permanent environmental ... comparing different models of analyses, often showed that, when fitting only one of the maternal effects, this is likely to “pick up” most of the total maternal variation, i.e due to both genetic and ... proportionally to the numerator relationship matrix between animals When comparing orders of fit of polynomial equations, it is recommended to consider the next higher order of fit involving the same type of...

Ngày tải lên: 09/08/2014, 18:21

... their reduction of atmospheric N2 to ammonium is one of the largest inputs of available nitrogen into the biosphere [3] Colonization of legume roots by rhizobia induces development of root nodules; ... for uptake systems for inositol (IntA, RL4655) [8, 14] and sorbitol/mannitol/dulcitol (MtlE, RL4218) Also elevated were genes encoding components of two previously uncharacterised systems The ... part of a two-component sensor regulator (Fig 3), led to a RCI of 0.59 in the pea rhizosphere (Table S4 in additional file 8) Specific adaptation to legume rhizospheres The largest class of genes...

Ngày tải lên: 09/08/2014, 23:20

... time from planting to heading of 70 winter cultivars that were exposed to five different periods of vernalization, which ranged from to 60 d, before transplantation to the field in Martonvásár, ... crucial trait for the adaptation of barley to different areas of cultivation and cropping seasons Traditionally, cultivars are classified into spring, To assess a possible effect of the major vernalization ... spread of cultivated barley out of its area of origin was driven by the occurrence of phenotypic variation that resulted from the appearance of new multilocus Days to heading in the field 110 Days to...

Ngày tải lên: 11/08/2014, 11:21

... nucleus to activate the transcription of hypoxia-responsive genes and driving a number of metabolic adaptations: (i) BNIP3 upregulation leads to mitochondrial autophagy; (ii) a subunit switch at cytochrome ... induced after one hour of hypoxia, and were found to integrate into the mitochondria of hypoxic ventricular myocytes, leading to mitochondrial defects associated with opening of the permeability ... enzymes or regulators of metabolism, including all glycolytic enzymes, pyruvate dehydrogenase kinase (PDK1), and subunit 4-2 of mitochondrial cytochrome c oxidase (COX) Regulation of mitochondrial...

Ngày tải lên: 11/08/2014, 12:20

... immunohistochemistry for Thyroid Transcription Factor-1 confirms thyroid origin (C) Page of (page number not for citation purposes) Journal of Medical Case Reports 2008, 2:297 Involvement of the ... exception of melanoma of the temple, scalp and ear, and anaplastic squamous cell carcinoma of the ear and ear canal [5] Seifort et al [4] reported three cases of a metastatic thyroid cancer to the ... analysis of 108 cases of secondary metastases to salivary glands Another case was found by the Pack Medical Group among 81 cases of parotid gland involvement as a secondary extension of malignant...

Ngày tải lên: 11/08/2014, 21:22