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Author
Bojar, W.
;
Knopik, L.
;
Żarski, J.
;
Kuśmierek-Tomaszewska, R.
Title
Integrated assessment of crop productivity based on the food supply forecasting
Type
Journal Article
Year
2016
Publication
Agricultural Economics – Czech
Abbreviated Journal
Agricultural Economics – Czech
Volume
61
Issue
11
Pages
502-510
Keywords
climate changes
;
decision-making tools
;
estimation of parameters
;
forecasted outputs
;
gamma distribution
;
predicting yields
;
climate-change
;
emissions scenarios
;
impacts
;
potato
;
yield
;
growth
;
policy
;
scale
;
water
Abstract
Climate change scenarios suggest that long periods without rainfall will occur in the future often causing instability of the agricultural products market. The aim of our research was to build a model describing the amount of precipitation and droughts for forecasting crop yields in the future. In this study, we analysed a non-standard mixture of gamma and one point distributions as the model of rainfall. On the basis of the rainfall data, one can estimate parameters of the distribution. Parameter estimators were constructed using a method of maximum likelihood. The obtained rainfall data allow confirming the hypothesis of the adequacy of the proposed rainfall models. Long series of droughts allow one to determine the probabilities of adverse phenomena in agriculture. Based on the model, yields of barley in the years 2030 and 2050 were forecasted which can be used for the assessment of other crops productivity. The results obtained with this approach can be used to predict decreases in agricultural production caused by prospective rainfall shortages. This will enable decision makers to shape effective agricultural policies in order to learn how to balance the food supplies and demands through an appropriate management of stored raw food materials and import/export policies.
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0139-570x
ISBN
Medium
Article
Area
Expedition
Conference
Notes
CropM, TradeM, ft_macsur
Approved
no
Call Number
MA @ admin @
Serial
4644
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