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Sunday, May 17, 2020 | History

3 edition of Relation of average size and yield of oranges to selected weather factors found in the catalog.

Relation of average size and yield of oranges to selected weather factors

George M. Kuznets

Relation of average size and yield of oranges to selected weather factors

by George M. Kuznets

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  • 13 Currently reading

Published by University of California College of Agriculture, Agricultural Experiment Station in Berkeley, Calif .
Written in English


Edition Notes

Statementby G. M. Kuzents and Robert F. Jennings.
SeriesContribution from the Giannini Foundation of Agricultural Economics
ContributionsJennings, Robert F.
The Physical Object
Pagination15 l.
Number of Pages15
ID Numbers
Open LibraryOL17791870M
OCLC/WorldCa5206167

  Annual production shocks at the farm-level are driven by year-to-year weather variability. While identifying drivers of these shocks is important and well-researched, little attention has been paid to the extent to which these shocks aggregate up to the regional or national level. Here, we provide a method for simultaneously modeling the mean, variance, Cited by: 4. Florida Citrus Production Trends Through Introd uction This report provides production projections for Florida round oranges, grapefruit and specialty citrus for the through seasons. Production in upcoming years will depend on a number of factors difficult to Size: KB.

Citrus is an important agricultural crop among the fruit sector due to its high annual consumption and trade. It is widely accepted that citrus originated in southeast Asia and was spread to Africa thousands of years ago through trading and migration (Gmitter and Hu, ).Citrus was then introduced to southern Europe during the Roman Empire as a symbol of the noble society. than the sum of these two factors separately (Fig. 1). Fig. 1. Grain yield of winter wheat predicted using the AFR-CWheat3S crop simulation model for Rothamsted, UK with cur-rent climate (base), an increase in mean seasonal temperature.T C 2;TC 4/, and a change in the variability of temperature (S.D., 2S.D.) (redrawn from Semenov and Porter File Size: KB.

turns out to be °2 or °4 instead, the grey yield curve lies within the outer envelope and it would have been better to chose a difierent crop variety. Variation in weather hence has two dimensions: Average weather (or climate) varies in space, i.e., between difierent location. Year-to-year weather variation adds a time dimension. Which one of the following factors would increase the demand for oranges a an from ECON at Jacksonville State University. Which one of the following factors would increase the demand for oranges a an. a substitute product c. development of a line of high-yield orange trees that are also more freeze resistant d.


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Relation of average size and yield of oranges to selected weather factors by George M. Kuznets Download PDF EPUB FB2

And other factors. To better understand weather effects on crop yields, a review of the weather and yields for is presented. National yield models for corn and soybeans are then developed, with selected model properties examined.

Next is a discussion of how the weather-related yield models performed through the growing season. The coefficients of correlation between the yield of barley and the weather factors (Monthly mean temperature, monthly amount of rainfall and monthly total hours of sunshine) have been calculated by the method previously reported in this magazine, for each prefecture in Japan, in each month during the cultivating : Y.

Daigo. A decrease in the price of a pound of bananas, a substitute in consumption for oranges b. An increase in the price of the fuel used to transport oranges to supermarkets c. Disastrous weather that destroys about half of this year's orange crop d. Great weather that produces a bumper orange crop this year.

tables of weight yield factors due to different cooking methods for about foods and dishes are presented. The weight yield factors in the tables are based on data in the pertinent literature and on analytical results from our own studies [, ].

They can be used to help estimate weight yield after cooking similar foods and by: Table 1 compares sunlight energy for the previous five years to sunlight energy in In the first 2 weeks of August insun energy was 10 to 12% higher than the 5-year average for three of the four selected weather stations.

The Brunswick area (Carroll County) experienced a slight decrease. 6 1. Facts, Factors, and Questions 0 2 4 6 8 10 0 2 4 6 8 10 12 Maturity Time Yield Figure Bond Yields in Three Dimensions. We plot end-of-month U.S. Treasury bill and bond yields at maturi-File Size: KB.

A study has determined the relationship between long-term weather and yield of 11 horticultural crops and one field crop in Wisconsin. The number of. The projection of yield of FCOJ for all oranges is unchanged at gallons per box at degrees Brix.

There is, however, a shift in the yield by types. The early-midseason portion is now projected to yield gallons per box, down from last month. The Valencia portion is now projected to yield gallons per box, up from gallons.

CHIAA RESEARCH REPORT NUMBER 32 RELATIONSHIP OF WEATHER FACTORS AND CROP YIELDS IN ILLINOIS Stanley A. Changnon, Jr. Illinois State Water Survey INTRODUCTION Research on the relationship of crop yields to weather conditions for application to the all-weather peril insurance program was completed in Expressed as a relative yield (Y%) the range was –% with an average of %.

Similarly large spatial variability was described in a Wimmera yield gap map. Energy In The Earth's Atmosphere Heat Transfer Winds Water in the Atmosphere Precipitation.

The Valencia forecast is down by four million boxes to 78 million boxes ( million tons), a reduction of five percent from the previous forecast, and this crop's average fruit size is one of. Weather-based yield forecasts developed for 12 California crops.

as a percentage of average yield for to based on statistical information related to weather and historical yield data. The Law of the Minimum of the limiting factors (boundary line method), first proposed by Liebig (), was used for predicting yield in Step 1.

Webb () and Waggoner and Norvell () were the first to develop mathematical techniques for this nineteenth-century law. Recently, boundary line or maximum line determination techniques have been developed by Schnug et Cited by: That is, the national average yield is used instead of the global average yield.

Based on this concept, the national average yields of plantation products, forest products, aquatic products and livestock products, the equivalence factors and the yield Cited by: 2.

The ratio of the s.d. of yield over the year period to the average yield over the same period. (a) maize, (b) rice, (c) wheat, (d) soybean (sample size Cited by: Florida Citrus: Size frequency distributions from October measurements Type of fruit and size in 4/5-bushel containers - - - Percent - - - Early and midseason oranges: (excluding Navels) 64 and larger 80 and smaller Navel oranges: 64 and larger 3.

Role and influence of crop management factors on the yield and quality of crop residues The yield and quality characteristics of residues are determined by the genetic makeup of the crop, Table 1 Area (in million hectares) grown under crops whose residues are used as livestock feeda Crop World Africa India Wheat Rice Suggested Citation: Waldron, M.C., and Archfield, S.A.,Factors affecting firm yield and the estimation of firm yield for selected streamflow-dominated drinking-water-supply reservoirs in Massachusetts: U.S.

Geological Survey Scientific Investigations Report39 p. Estimates of the average yield per tree are given for Florida's major citrus-producing counties for the two major variety classes (1) Early and Midseason and (2) Valencia.

The average per tree yield of either variety class can be expected to vary approximately boxes between counties with the lowest and highest yields. A large part of this variation is due to soil depth (size of root Cited by: 1. The average yield expresses an investment's present or future state.

Tip In order to calculate the average yield on investments, you must take the investment's net income for. A recent six-year study conducted by DuPont Pioneer agronomists in Illinois reported that continuous corn yielded 25 fewer bushels per acre than corn-soybean rotations, and identified three factors — soil nitrogen (N) supply, continuous corn history, and weather — as responsible for more than 99% of the continuous corn yield : Kacey Birchmier.

How to Calculate the Average Yield on Investments Even the best investors have some losers in their portfolio, and even the worst stock pickers will usually have a few winners in theirs.

Rather than just looking at a few star investments or a few underperformers, you can calculate the average return across the entire portfolio.