3 edition of Soil salinity and cotton yields as affected by surface and trickle irrigation found in the catalog.
Soil salinity and cotton yields as affected by surface and trickle irrigation
P. J. Wierenga
1979 by New Mexico Water Resources Research Institute, in cooperation with Dept. of Agronomy, New Mexico State University in Las Cruces, N.M .
Written in English
|Statement||by P.J. Wierenga.|
|Series||WRRI report ;, no. 106|
|Contributions||New Mexico Water Resources Research Institute., New Mexico State University. Dept. of Agronomy.|
|LC Classifications||GB705.N6 N64 no. 106, S616.U6 N64 no. 106|
|The Physical Object|
|Pagination||vi, 212 p. :|
|Number of Pages||212|
|LC Control Number||80622502|
the changes in soil water-salt contents and soil pH during cotton growth stages, and on cotton seedling emergence and yields, to provide an assessment of using desalinized sea-ice water as an alternative irrigation water source and integrated agronomic practices of soil water-salt management for cotton production in the salinity-affected and. IMPACT OF SOIL VARIABILITY ON IRRIGATED AND RAINFED COTTON 2 the soil water deficit (SWD), or the difference be- Even with irrigation, Mid-South cotton yields fluctuate from year to year. Because much of the Soil salinity, clay content, cation exchange capacity (CEC), clay mineralogy. In one study, drip lateral location relative to the row or bed location did not affect yield (possibly because of ground water at m depth), but mechanical damage to laterals was greater when they were located under the furrow than when located under the row for tomato and cotton (Ayars et al., ). Oct 01, · Corn crop response under managing different irrigation and salinity levels Corn crop response under managing different irrigation and salinity levels Amer, Kamal H. Non-uniformity of water distribution under irrigation system creates both deficit and surplus irrigation areas. Water salinity can be hazard on crop production; however, there is little information on the.
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Dec 05, · Soil salinity and cotton yields as affected by surface and trickle irrigation by P. Wierenga; 1 edition; Subjects: Cotton, Cotton growing, Irrigated Soils, Irrigation, Microirrigation, Salts in Soils; Places: Mesilla Valley, New Mexico. Aug 15, · The results of the present study showed that soil salinity did not affect the oil yield of cottonseed, however, it significantly (P ≤ ) affected the tocopherol and fatty acid profiles of the oils Cited by: Cotton yields and salinity were measured in plots irrigated by surface flooding and with a trickle system.
The quality of Soil salinity and cotton yields as affected by surface and trickle irrigation book groundwater near the plot area and the quality of the water in a drain along the plot area were also measured. SYSTEMS ON SUGAR BEET YIELD, IRRIGATION PERFORMANCES AND SOIL SALINITY AT NORTH DELTA.
performances and Soil salinity and cotton yields as affected by surface and trickle irrigation book salinity. Both drip irrigation systems included 16 mm diameter (16 mm drip-lines) were buried m apart at 15cm below soil surface so that they are not affected by the cultivation practices during the current growing season.
Cotton N uptake was significantly affected by soil salinity, but not by the fertigation strategy. Interaction effect on N content of cotton root was observed. The total N uptake under S2 treatment was the highest, while the lowest total N uptake was found under S3 treatment.
The trends were in consistence with those for seed cotton yield and dry perloffphoto.com by: Three cotton cultivars (Gossypium hirsutum L.) were grown in sand culture in a glasshouse. The nutrient solution contained no or additional sodium chloride (43 or 86 mol m−3) and overall had electrical conductives (ec) ofand mmho cm−1.
Cotton yield was lowered by salt. Ghassemi et al. () suggested that 73% of the irrigated area in the Rio Grande Basin is affected by salinity and sodicity, leading to poor soil conditions, reduced crop yields, and declining farm profit. Such areas comprise 25% of the earth’s surface (T horne and P eterson, ).
Salinity is a hazard on about half of the irrigated area of the western USA (W adleigh, ) and crop production is limited by salinity on about 25% of this land (W adleigh, ; T horne and P eterson, ; B ower and F ireman, ). The occurrence of salinity Cited by: cotton yield was obtained from the full irrigation treatment (% of cumulative class A pan evaporation) under the trickle-irrigated plots (Yazar et al., ).
Ertek and Kanber () Soil salinity and cotton yields as affected by surface and trickle irrigation book that cotton yield, boll number and shedding percentage increased linearly with irrigation water amount. However, Karam et al.
() showed that cotton. visible salt crystals often occur on the soil surface making it vulnerable to erosion. Impacts of irrigation salinity In the irrigation Soil salinity and cotton yields as affected by surface and trickle irrigation book of NSW an estimated ha are affected by salinity (Tenison ).
The areas most at risk include: • Murrumbidgee Irrigation Areas near Griffith • Murray Irrigation Areas around Deniliquin. Journals & Books; Create accountCited by: 3. In many areas drainage problems also arise because of the accumulation and stagnation of rainfall or excess irrigation water on the soil surface.
Surface drainage problems usually arise due to slopes that are too flat or to slow water penetration because of structural instability of the soils.
Part National Engineering Handbook Chapter 7 Microirrigation 7–2 (–VI–NEH, October ) Types of systems. (a) Drip irrigation. Drip irrigation (DI) is defined as a method of MI wherein water is applied at the soil surface as drops or small streams through emitters.
The papers assembled here cover topics such as technological advances in soil salinity mapping and monitoring, management and reclamation of salt-affected soils, use of marginal quality water for crop production, salt-tolerance mechanisms in plants, biosaline agriculture and agroforestry.
Cotton yields were not influenced by irrigation water salinity up to 8 dS m-1 but decreased byand % at 11 dS m-1 compared to EC1, EC2 and EC3 treatments.
Lateral depths had no effect on yield. Fiber quality parameters in cotton except micronaire were also not affected by salinity levels and lateral perloffphoto.com: Ghorban Ghorbani Nasrabad.
Sep 12, · Tables 5 to 8 also show the threshold salinity at which yield begins to decline (0% yield loss) and the salinity at which 10% and 25% of yield is lost. Changes of water salinity of 20% above or below the indicated salt tolerance value may have little effect because of the modifying effect of soil, climate and management.
The salts are leached to the outermost fringe of the wetted area and into the unwetted areas between the emitters, and by evaporation an appreciable salinity develops at the soil surface.
This surface salinity sometimes gives trouble if a light rain moves the accumulated salt back into the root zone (see Sectionlocalized irrigation). Although they need not be, surface irrigation systems are typically less efficient in applying water than either sprinkler or trickle systems.
Many are situated on lower lands with heavier soils and, therefore, tend to be more affected by water logging and soil salinity if adequate drainage is not provided. Salinity is a major environmental stress and is a substantial constraint to cotton production in Pakistan and worldwide.
In the present study, cotton (Gossypium arboreum L.) cv. FDH seeds were exposed to different salinity (,mM NaCl) levels. In the first experiment, effect of salinity on germination of seeds was observed.
Since the water is applied below the soil surface (as opposed to surface irrigation or traditional drip irrigation), the effects of surface infiltration, such as crusting, saturated condition of ponding water, and water losses via evaporation and surface runoff (including soil erosion) are eliminated.
Share With Your Agri Friends Soil salinity and soil alkalinity: Soil salinity and soil alkalinity are the results of over irrigation in canal irrigated areas. In canal irrigated areas plenty of the water is available and the farmers indulge in over irrigation of their fields.
Under such conditions, the ground water level rises and saline. Jun 06, · In the Far West Texas region in the USA, long-term irrigation of fine-textured valley soils with saline Rio Grande River water has led to soil salinity and sodicity problems. Soil salinity [measured by saturated paste electrical conductivity (EC e)] and sodicity [measured by sodium adsorption ratio (SAR)] in the irrigated areas have resulted in.
Dec 09, · Soil salinity: A serious environmental issue and plant growth promoting bacteria as one of the tools for its alleviation. thus preventing rising water tables and the movement of salt to the soil surface (Manchanda and Garg, in rice, grain yield is much more affected by salinity than in vegetative growth (Khatun and Flowers, ).Cited by: Microirrigation has become the fastest growing segment of the irrigation industry worldwide and has the potential to increase the quality of food supply through improved water fertilizer efficiency.
This book is meant to update the text "Trickle Irrigation, Design, Operation and Management". This text offers the most current understanding of the management criteria needed to obtain maximum 3/5(1).
Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization. Salts occur naturally within soils and water. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean.
It can also come about through artificial processes such as irrigation and road salt. Based on experimental data from the five observation points during the three years, the linear subsected functions and the nonlinear s-shaped functions between the cotton relative yield and soil salt content on the salinized soil about the cm soil layer and the cm soil layer in Akesu River Irrigation District were constructed by linear regression and nonlinear least square perloffphoto.com by: 1.
A soil salinity of mM NaCl or 10 dS m-1 is about as high as most crops will tolerate without a significant reduction in growth or yield (see Figs. 2 and 3), and a concentration of mM NaCl on a whole shoot basis is about as high as is desirable because it will include some old leaves with much higher salt concentrations, as well as.
Salinization is an accumulation of salts in the soil and on the surface of the soil. Salts enter the soil through irrigation; they originate either from geological layers, from groundwater or from man-made influences, such as fertilizers.
Crops vary in their reaction to soil salinity. Effect of Soil Salinity on K Critical Level for Cotton and its Response to Sources and Rates of K-Fertilizers Soil salinity affects the yields of The element is readily absorbed on to surface of soil particles and is fixed, and thus.
In and the effects of the residual soil salinity on yield and some aspects of yield quality were studied in carrot (Daucus carota L.) grown during irrigation-free seasons on a field which had undergone the same irrigation treatments with saline water (0. The grain yield of the corn hybrid 'AG' is reduced by 20% for each unit increase in electrical conductivity of the irrigation water and of the soil solution above and dS m-1, respectively.
The growth of corn is reduced with increase of salinity and the vegetative parts are more affected. Soil salinity (EC) Figure D5–1. The relationship between soil salinity, soil sodicity and soil structure Delegates at the Horticulture Downunder Conference, Barooga, inspecting trickle-irrigated tomato seedlings.
Trickle irrigation is an important tool for overcoming soil salinity problems. (Bernie McMullen) Figure D5–2. The yield response function can be defined as Y = - b(EC e - a), where Y is the relative crop yield, b is the slope of the declining yield with increasing EC e, and a is the salinity threshold value above which crop yield declines.
Such yield response functions provide producers with general guidelines on expected yields for specific crops. Sep 16, · With the acceptance of subsurface drip irrigation (SDI) by commercial growers, the air injection system is at least potentially applicable to the SDI system.
Unfortunately, when air alone is supplied to the SDI system it emits as a vertical “stream,” moving above the emitter outlet directly to the soil perloffphoto.com by: Oct 01, · The experimental design was a 3 × 3 factorial with three soil salinity levels (,and dS m −1) and three N fertigation strategies (N applied at the beginning, end, and in the middle of an irrigation cycle).
Seed cotton yield, dry matter, N uptake, and plant 15 N recovery significantly increased as soil salinity level increased. As the water evaporates, salts dissolved from the soil deposit and accumulate at the soil surface.
Notice the crust of salt deposited on the ground and on the base of the fence post. In California's Coachella Valley, irrigation applications and sub-surface drain lines are managed to reduce the effects of soil salinity on crop land.
May 02, · “Farmers are losing about $ million a year due to invisible salinity,” said Payne, adding yield loss estimates in Alberta are around 25 per cent, depending on the crop. “Invisible salinity is stealing more yield than we think.” Managing salinity.
And soil salinity “creeps up on you.”. Irrigation Guide Preface Irrigation is vital to produce acceptable quality and yield of crops on arid • Soil-plant relationships and soil water properties that affect move-ment, retention, and release of water in soil soil chemical management (salinity, acidity, applied fertilizers, and other toxic elements).
Start studying BRAE Exam2. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. the moisture content of the surface layers of soil can not be drier than PWP.
Both moisture conditions and salinity affect plants. Plants respond to a combo of the two. Soil salinity control relates to controlling the problem of soil salinity and reclaiming salinized agricultural land. The aim of soil salinity control is to prevent soil degradation by salination and reclaim already salty (saline) soils.
Soil reclamation is also called soil improvement, rehabilitation, remediation, recuperation, or amelioration. Whereas pdf and drainage are intended to address the shortage and pdf of soil water, respectively, an important aspect to address is also the management of salinity.
Plants have a limited tolerance for soil water salinity, and despite significant gaps in our practical knowledge, an impression of acceptable salinities is available for many perloffphoto.com: Sjoerd E.A.T.M.
van der Zee, Sija F. Stofberg, Xiaomei Yang, Yu Liu, Md. Nazrul Islam, Yin Fei Hu.6. Salinization is the build up of salt in the soil download pdf time. Salinization inhibits production of [email protected] of all irrigated cropland. Salinization can be caused by excessive irrigation. Water deposits salts which prevent infiltration and leaves water closer to the surface.
In dry areas this water evaporates quickly leaving the salt behind.Jul ebook, · Free Online Library: Drip irrigation provides the salinity control needed for profitable irrigation of tomatoes in the San Joaquin Valley.(Report) by "California Agriculture"; Agricultural industry Agronomy Research Soil salinity Soils, Salts in Tomatoes Trickle irrigation Usage.