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preservation of soil moisture plastic film Pakistan

Polyethylene and biodegradable mulches for agricultural

2011-12-16 · The use of plastic mulch in agriculture has increased dramatically in the last 10 years throughout the world. This increase is due to benefits such as increase in soil temperature, reduced weed pressure, moisture conservation, reduction of certain insect pests, higher crop yields, and more efficient use of soil nutrients. However, disposing of used plastic films, which …

[Effects of plastic film mulching on soil temperature and

Field experiments were carried out to study the effects of plastic film mulching on soil temperature and moisture, and on yield formation of spring wheat. The results showed that plastic film mulching could increase soil temperature with "U" variances in the …

How to store soil samples for moisture content and pH …

Yes one can shift their soil samples in a air tight plastic bag or in a container to preserve the properties on the field. The are nuer of publiion in which authors used these type of bags

Plasticity and Structure of Soil - site.iugaza.edu.ps

2020-12-5 · soil, the soil can be remolded in the presence of some moisture without cruling. • This cohesive nature is caused by the adsorbed water surrounding the clay particles. • In the early 1900s, a Swedish scientist “Atterberg” developed a method to describe the consistency of fine grained soils with varying degree of moisture content.

EFFECTS OF DIFFERENT PLASTIC FILMS MULCHING ON …

2020-12-13 · performance of heat and moisture retention of film focuses on biodegradation film (Gao H, et al., 2019; Kyrikou & Briassoulis, 2007). The effects of increasing soil moisture and temperature were present well at the early stage, biodegradation film is thus recommended as a viable option to the plastic film, but it should

Effects of Plastic Mulching Modes on Soil Moisture and

[25]Gao Y H, Xie Y P, Jiang H Y, Wu B, Niu J Y. Soil water status and root distribution across the rooting zone in maize with plastic film mulching. Field Crops Res, 2014, 156:40–47 [26]Zhang S F, Chai S X, Lin Y C, Chang L, Yang C G. Effects of plastic film mulching patterns on soil moisture and spring wheat yields in drought years.

How to Conserve Soil Moisture? | Soil Science

2022-4-3 · pF is the logarithmic value of soil moisture tension expressed in centimeters height of water column required to produce a suction with which water is held by the soil. Soil moisture is commonly expressed in terms of pF values, whose numerical values are the same as pH values denoting hydrogen ion concentration.

Soil Moisture Constants and Physical Properties of

2008-1-3 · Soil moisture retained at 15 atmospheres pres-sure (wilting point) was determined by the pres-sure-merane method (Richards 1947). Undis-turbed cores in triplie were obtained to deter-mine bulk density and soil moisture retained at 0 and 0.06 atmosphere tension using the method of Learner and Shaw (1941). Soil moisture re-

Effects of plastic film mulching on soil temperature and

Field experiments were carried out to study the effects of plastic film mulching on soil temperature and moisture, and on yield formation of spring wheat. The results showed that plastic film mulching could increase soil temperature with "U" variances in the whole growth period of spring wheat. Plastic film mulching could also increase soil available water by restraining evaporation …

Effects of degradable film on soil temperature, moisture

Effects of two degradable films on soil temperature, moisture and maize growth were same as those of plastic film, with higher soil moisture in 0-20 cm and 20-40 cm profile and higher soil

Influence of film mulching on soil microbial community in

2017-8-16 · Information about the effect of plastic film mulching (PFM) on the soil microbial communities of rainfed regions remains scarce. In the present study, Illumina Hiseq sequencer was employed to

Biodegradable and antimicrobial CSC films containing

2021-9-1 · The preservation experiment on cherry tomatoes showed that the CSC films exhibited a certain freshness effect, which maintained higher hardness and lower weight loss rate within two weeks than polyethylene films. The nature degradation of the films showed that the soil biodegradability rate reached 70 % in 28 days.

Polyethylene and biodegradable mulches for agricultural

2011-12-16 · The use of plastic mulch in agriculture has increased dramatically in the last 10 years throughout the world. This increase is due to benefits such as increase in soil temperature, reduced weed pressure, moisture conservation, reduction of certain insect pests, higher crop yields, and more efficient use of soil nutrients. However, disposing of used plastic films, which …

Measurement of Soil Moisture: 4 Methods

2022-4-5 · Tensiometers measure the matric potential of soil moisture in situ (field) with the use of a porous clay cup attached to a tube filled with water. The water in the cup and tube is attached to a vacuum gauge or a mercury manometer (Fig. 7.10). As the soil dries, water moves out through the porous cup, creating a suction or vacuum on the water

Soil moisture conservation techniques | Climate …

Soil Moisture Conservation Techniques Implementation. There are a variety of methods that can be used to conserve soil moisture. Most of these soil moisture conservation techniques are relatively low cost and complexity approaches, primarily relying on the presence of required materials and technical capacity locally. Many of the methods rely

Comparison of plastic film, biodegradable paper and bio

2019-4-30 · Plastic film (PF) is a common soil mulching material used worldwide in crop production. In recent years there is an increasing demand for reducing the use of PF because of potential environmental- and ecological-risks. Although biodegradable paper (BP) and bio-based film (BB) have been used as alternatives to PF, little information is available

Influence of Plastic Mulching on Soil Moisture, Nutrient

2020-11-9 · The soil moisture content ranged from 5.9 % in March to 24.24 % August in the bottom hill (15-30 cm depth). The moisture content in the non-mulched field was lower than the mulched field. . Key words: Plastic film mulch, soil moisture, soil organic carbon, hill region Introduction Pineapple [Ananas comosus (L.) Merr.],

Storage and Preservation of Soil Samples for Volatile

2021-7-22 · Storage and Preservation of Soil Samples for Volatile Organic Compound Analysis ALAN D. HEWITT INTRODUCTION mechanism to continue (Hewitt 1998a). We illus-trate in Figure 1 how quickly VOCs are lost from Most samples collected to identify and quantify the center of silty-sand soil held at aient tem-

Capacitive Soil Moisture Sensor Calibration with Arduino

2020-6-15 · Soil moisture can be measured using a variety of different techniques: gravimetric, nuclear, electromagnetic, tensiometric, hygrometric, among others [read about the specifics types of soil moisture sensors here].The technique explored here uses a gravimetric technique to calibrate a capacitive-type electromagnetic soil moisture sensor.

Water Content Of Soil | Moisture Content Of …

2022-4-4 · Close the container with its cap to avoid loss of moisture. 3. Take the weight of the coined mass (g) of the closed container and moist soil (W2). 4. Remove the cap from the top of the can and place it on the bottom (of the …

-Effects of

【Method】The soil moisture content, soil nutrients, soil temperature and corn yield were measured by using plastic film mulching, non-mulching and corn straw mulching. 【Result】 The results showed that straw mulching and plastic film mulching had better soil moisture preservation effect, both of which were better than non-mulching.

MULCHING FOR CROP PRODUCTION - Tamil Nadu …

2020-11-17 · Moisture conservation • Plastic film with its moisture barrier properties does not allow the soil moisture to escape Water that evaporates from the soil surface under mulch film, condenses on the lower surface of the film and falls back as droplets.

Preservation Brief 39: Holding the Line: Controlling

Moisture in damp soil, such as in a crawl space, can evaporate into the air, raise the relative humidity in that space, and enter the building as a vapor. Ground moisture: The saturated moisture in the ground as a result of surface run-off and naturally occuring water tables. Ground moisture can penetrate through cracks and holes in foundation

-Effects of

【Method】The soil moisture content, soil nutrients, soil temperature and corn yield were measured by using plastic film mulching, non-mulching and corn straw mulching. 【Result】 The results showed that straw mulching and plastic film mulching had better soil moisture preservation effect, both of which were better than non-mulching.

(PDF) Effects of plastic film mulching on soil temperature

Field experiments were carried out to study the effects of plastic film mulching on soil temperature and moisture, and on yield formation of spring wheat.

Comparison of plastic film, biodegradable paper and bio

2019-4-30 · Plastic film (PF) is a common soil mulching material used worldwide in crop production. In recent years there is an increasing demand for reducing the use of PF because of potential environmental- and ecological-risks. Although biodegradable paper (BP) and bio-based film (BB) have been used as alternatives to PF, little information is available