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Crop-climate relationships in the dr...

Saw, Naw Tha.

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Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma)./
作者:	Saw, Naw Tha.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 1988,
面頁冊數:	241 p.
附註:	Source: Dissertation Abstracts International, Volume: 49-08, Section: B, page: 3075.
Contained By:	Dissertation Abstracts International49-08B.
標題:	Physical geography. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8822063

Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma).
Saw, Naw Tha.

Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma). - Ann Arbor : ProQuest Dissertations & Theses, 1988 - 241 p.

Source: Dissertation Abstracts International, Volume: 49-08, Section: B, page: 3075.

Thesis (Ph.D.)--University of California, Riverside, 1988.

The geography of the Irrawaddy Delta (Burma) and the neccessity to grow more rice, soybeans and maize are briefly discussed. Empirical methods for estimating potential evapotranspiration for the Irrawaddy Delta during the dry season are evaluated to determine water use for soybeans, maize and rice. According to the statistical methods applied, the Penman method as modified by Frere and Popov appears most suitable.Subjects--Topical Terms:

516662
Physical geography.

Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma).
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100 1 $a Saw, Naw Tha. $3 3350469
245 1 0 $a Crop-climate relationships in the dry season on the Irrawaddy Delta (Burma).
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 1988
300 $a 241 p.
500 $a Source: Dissertation Abstracts International, Volume: 49-08, Section: B, page: 3075.
500 $a Chairperson: Robert W. Pease.
502 $a Thesis (Ph.D.)--University of California, Riverside, 1988.
520 $a The geography of the Irrawaddy Delta (Burma) and the neccessity to grow more rice, soybeans and maize are briefly discussed. Empirical methods for estimating potential evapotranspiration for the Irrawaddy Delta during the dry season are evaluated to determine water use for soybeans, maize and rice. According to the statistical methods applied, the Penman method as modified by Frere and Popov appears most suitable.
520 $a Two methodologies, the Equivalent Hours of Maximum Net Photosynthesis (EHMNP) and the growing degree days (GDD) are used to evaluate the possibility of the growing of rice, maize and soybeans on the delta during the dry season. The EHMNP unit is the net photosynthetic response of a plant for one hour at optimum condition of temperature and light where hours with partial responses can add together to make full hours. EHMNP totals regressed against yields of rice, soybeans and maize grown in the United States result in a positive linear relationship. Application of EHMNP totals to the Irrawaddy Delta in the dry season suggest relatively low yields of rice, soybeans and maize.
520 $a The GDD used here is obtained by the summation of mean temperature above a threshold temperatures for the corresponding crops. Regression analysis of GDD versus crop yields suggest that within the domain of the data used, rice yields decrease as GDD increase. There is a curvilinear relationship between GDD and yields of soybeans and maize, where yields increase as GDD increase to a certain degree beyond which yields decline. The GDD indicated lower than optimum yields of soybeans, maize and rice during the dry season.
590 $a School code: 0032.
650 4 $a Physical geography. $3 516662
650 4 $a Agronomy. $3 2122783
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710 2 $a University of California, Riverside. $3 791122
773 0 $t Dissertation Abstracts International $g 49-08B.
790 $a 0032
791 $a Ph.D.
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793 $a English
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