O objetivo deste ensaio é compreender a contribuição da experiência estética para mobilizar os afetos e ampliar as formas de entender e sentir o processo de formação humana na docência. Identifica-se a relação entre sensibilidade estética e um agir humanizado.
The response of Italian ryegrass (IRG) to nitrogen fertilization, irrigation frequency and harvest interval indicated that management of nitrogen and water is the determinant of productivity under semi-arid northern Mexican conditions. Where water is non-limiting the effects of harvest interval can be eliminated. A soil moisture balance model indicated the inadvisability of seeding IRG in sandy soils if water is a scarce resource because of the high frequency of irrigation that would be required. The seeding (September) and late production (April) periods were identified as critical in regard to irrigation need and limiting in terms of the area that it would be possible to seed.Italian ryegrass (IRG, Lolium multiflorum Lam.) is a forage crop with potential for high levels of production of high quality dry matter (DM). On the North American continent it is commonly used as a winter annual in regions with mild winters, where it is either sod-seeded or sown alone (e.g. Myers and Prine, 1975). It is being recommended in areas of northern Mexico as an alternative during winter, though knowledge of its management under semi-arid conditions is rudimentary.Forages are here produced in intensive, year-round multi-cut systems, in which producers either grow forage for sale or for on-farm consumption by a dairy herd. Many of the herd's needs must be met by bought forages since few farms have enough land to be self-sufficient, but on-farm forage production buffers variation in the availability of forage for purchase. Managing forage for sale is dictated by the needs of the purchaser, but no distinct harvest intervals are identifiable under either production pattern and management recommendations for physical inputs must take this into account.Agronomic factors of interest are irrigation and nitrogen fertilization. Irrigation in this region is traditionally by surface application to rows, or to 8-10 m wide strips (melgas) separated by raised borders. Problems in land preparation (including levelling) limit the minimum lamina (water depth) that can be applied to approximately 12 cm, and variation in practice is therefore a consequence of the frequency rather than of the amount applied each time, though there are differences between producers in the mean lamina applied.
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