Results 91 to 100 of about 99,055 (216)

OP34.11: A controlled study on subsequent fertility, pregnancy and gynecological outcomes after fetal surgery for isolated congenital diaphragmatic hernia (CDH) [PDF]

open access: yesUltrasound in Obstetrics & Gynecology, 2014
C. Grégoire   +7 more
openaire   +1 more source

Fertility, human capital accumulation, and the pension system [PDF]

open access: yes
This paper provides a unified treatment of externalities associated with fertility and human capital accumulation within pas-as-you-go pension systems. It considers an overlapping generations model in which every generation consists of high earners and ...
CREMER, Helmuth   +2 more
core  

Fusarium in wheat. Effects of soil fertility strategies and nitrogen levels on mycotoxins and seedling blight. [PDF]

open access: yes, 2009
In a two-year field experiment in the Netherlands the relation between three soil fertility strategies, additional nitrogen levels and Fusarium Head Blight in wheat are explored. There was a substantial year-effect, as could be expected.
Timmermans, Dr. B.G.H.   +1 more
core   +1 more source

Life-Cyle Fertility Behavior and Human Capital Accumulation [PDF]

open access: yes
This paper develops and implements a semiparametric estimator for investigating, with panel data, the importance of human capital accumulation, non-separable preferences of females and child care costs on females life-cycle fertility and labor supply ...
George-Levi Gayle, Robert Miller
core  

Is de bemesting van invloed op de bewaarverliezen van aardappelen? = Does fertilizing or manuring of potatoes affect storage losses?

open access: yes, 1983
Uit onderzoek van met kunstmest bemeste aardappelen op zandgronden en kleigronden blijkt niet dat deze aardappelen gevoeliger zijn voor bewaarverliezen dan met organische mest bemeste aardappelen. De lengte van de bewaarperioden en de wijze van bewaring (koelcel of bedrijfsopslagruimte) is van grotere invloed op ...
openaire   +1 more source

Searching for demography's missing link: Momentum [PDF]

open access: yes, 2005
This paper is both more theoretical and highly applied; both methodological and policy-oriented. Empirically until recently there has been little work on momentum effects.
Pool, Ian
core  

The Netherlands:Paradigm or Exception in Western Europe’s Demography? [PDF]

open access: yes
This article reviews the position of the population of the Netherlands in the context of the demographic characteristics of the other seventeen major Western European countries.
David Coleman, Joop Garssen
core  

Kwantitatieve en kwalitatieve effecten van kunstmest en drijfmest op de suikeropbrengst van bieten = Quantitative and qualitative effects of fertilizer and animal slurries on beet sugar yields

open access: yes, 1984
Resultaten van drie meerjarige veldproeven, waarbij bemestingen met kunstmest en toenemende hoeveelheden drijfmest bij opklimmende kunstmeststikstoftrappen werden vergeleken in suikerbieten. Nagegaan is in welke mate de hoeveelheid winbare witsuiker per schadelijk bestanddeel en in totaal door de bemesting wordt ...
openaire   +1 more source

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