ตัวอย่าง fertility

• The scheme outlined in this report shows how a quick and complete fertility investigation of the couple can be carried out in 2 months.

• Legumes for sustaining soil fertility in lowland rice.

• It provides an example of evaluating, from diagnosis to extension, on-far m soil fertility research in rainfed lowland rice.

• Yet, soil fertility will be the most important constraint for organic rice production.

• Due recognition must also be given to changes in nuptial fertility and to apparently changing perceptions of the roles of marriage and the family.

• Fertility could be triggered by photoperiod together with increasing temperatures.

• In general, it is clear that the women who married younger tended to have lower age-specific fertility rates.

• It is described as a manual for research in agroforestry with emphasis on the effects of trees on soil and soil fertility.

• It is unlikely that this heralds a decline in the total fertility of these cohorts.

• None the less, it is vital that unusual fertility patterns are highlighted, even if the causes remain unclear.

• The decline of fertility during the war contributed to the further expansion of the percentage of employed persons.

• Is there a connection between poverty and fertility?

• It is therefore important in demographic research on fertility to measure precisely the length of amenorrhoea.

• Farmers tend to reduce planting density as soil fertility decreases so that they obtain ears of a reasonable size.

• Depending on the geographical situation, the nature of infected hosts and the sites of infection, cysts may have different fertility rates.