منابع مشابه
Harvest and Post-harvest Operations
Harvest and post-harvest operations constitute principal constraints to rice production, especially in irrigated systems, because of the larger yield that has to be handled. Post-harvest crop losses of up to 35% have been reported and attributed to inefficiency of manual threshing of rice by small-scale farmers. This leads to poor grain quality and rejection of locally produced rice. The Africa...
متن کاملMonitoring of Peach Harvest
Peach harvest workers were evaluated for exposure to azinphosmethyl residues by measuring foliar residues, urinary alkyl phosphate metabolites, plasma and erythrocyte (RBC) cholinesterase (ChE), and dermal residues using clothing and skin washes. Workers entered orchards 51 days after application and worked in treated fields for ten of the next 17 days. Dislodgeable foliar residues ranged from ...
متن کاملNode harvest
When choosing a suitable technique for regression and classification with multivariate predictor variables, one is often faced with a tradeoff between interpretability and high predictive accuracy. To give a classical example, classification and regression trees are easy to understand and interpret. Tree ensembles like Random Forests provide usually more accurate predictions. Yet tree ensembles...
متن کاملHarvest Regulations and Implementation Uncertainty in Small Game Harvest Management
A main challenge in harvest management is to set policies that maximize the probability that management goals are met. While the management cycle includes multiple sources of uncertainty, only some of these has received considerable attention. Currently, there is a large gap in our knowledge about implemention of harvest regulations, and to which extent indirect control methods such as harvest ...
متن کاملHazards of Powdered Gloves.indd
Exposure to starch powder from both surgical and examination gloves can cause a number of undesirable reactions, which vary from well known allergy symptoms and upper respiratory-tract disorders to pleuritis, myocarditis, irritation of the central nervous system or even carcinoma or tuberculosis misdiagnosis. A well documented consequence of the use of starch powder in gloves is its capacity to...
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ژورنال
عنوان ژورنال: The Annals of Iowa
سال: 2017
ISSN: 0003-4827,2473-9006
DOI: 10.17077/0003-4827.12442