FIELD AGING OF TRANSPARENT POLYETHYLENE MULCHES .1. INFLUENCE ON THE EFFECTIVENESS OF SOIL HEATING

被引：17

作者：

AVISSAR, R ^{[1
]}

NAOT, O ^{[1
]}

MAHRER, Y ^{[1
]}

KATAN, J ^{[1
]}

机构：

[1] HEBREW UNIV JERUSALEM,FAC AGR,DEPT PLANT PATHOL & MICROBIOL,IL-76100 REHOVOT,ISRAEL

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1986年 / 50卷 / 01期

关键词：

METEOROLOGY - Climatology - MOISTURE CONTROL - POLYETHYLENES - Optical Properties - TEMPERATURE CONTROL;

D O I：

10.2136/sssaj1986.03615995005000010039x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Photometric properties of transparent polyethylene (PE) mulches change significantly during prolonged field utilization. In order to test and explain the effects of these changes on the temperature regime of mulched soil, we developed a one-dimensional numerical model, which simulates the microclimate of mulched soils. The model consists of three layers: soil, plastic, and the air enclosed between them. Given the thermal and hydraulic properties of the soil, the photometric properties of the plastic, and appropriate climate conditions, the model computes the diurnal variation in temperature and humidity of the different layers. Field measurements verify the model's ability to predict the temperature regimes of mulched soils.

引用

页码：205 / 209

页数：5

共 20 条

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