Agricultural Sciences

An introduction to drip irrigation systems by Ajai Singh

By Ajai Singh

Drip Irrigation procedure is now a longtime approach to irrigation in water scarce parts however it can also be gaining value in water considerable parts. during this expertise, the cropped box is irrigated within the shut area of root area of crop. It reduces water loss taking place via evaporation, conveyance and distribution. accordingly excessive water use potency should be accomplished.

Show description

Read or Download An introduction to drip irrigation systems PDF

Best agricultural sciences books

Biology the basic principles of biology

Advance grades with an illustrated Biology research advisor. you'll use it from an undergraduate university all of the option to clinical tuition. unfastened telephone bankruptcy within the trial model. viewers meant for everybody attracted to Biology, really undergraduate and graduate lifestyles technology scholars, scientific scholars, nursing, and dental scholars.

Grazing Ecology and Forest History

It's a commonly held trust climax plants of closed wooded area platforms coated the lowlands of relevant and Western Europe ahead of people intervened in prehistoric instances to advance agriculture. If this intervention had no longer taken position, it will nonetheless be there and so if left, the grassland crops and fields we see this present day could revert to its ordinary closed woodland country, even though with a discounted variety of wild species.

Tropical Montane Cloud Forests

Till quite lately the dear tropical montane cloud forests (hereaf­ ter frequently known as TMCFs) of the realm had scarcely come below the attacks skilled via the downslope montane and lowland forests. TMCFs usually are not hospitable environments for human profession, and their remoteness (except in areas close to Andean excessive mountain settlements and within the Ethiopian Highlands) and hard terrain have given them de facto safeguard.

Irrigation and drainage engineering

This textbook focuses particularly at the mixed themes of irrigation and drainage engineering. It emphasizes either uncomplicated options and functional functions of the newest applied sciences on hand. The layout of irrigation, pumping, and drainage platforms utilizing Excel and visible simple for purposes courses are defined for either graduate and undergraduate scholars and working towards engineers.

Extra resources for An introduction to drip irrigation systems

Example text

8). 3. Filter characteristics and evaluation The field evaluation of drip irrigation system includes a determination of filtration efficiency and pressure differential across the filter. The effectiveness of the filtration system can also be indirectly assessed by evaluating the degree of emitter plugging. The filtration efficiency (Fr) of a filtration system is estimated by the following formula where, Sout = the concentration of suspended solids (mg/l) in filter outlet, and Sin = the concentration of suspended solids (mg/l) in filter inlet.

In a banana orchard, emitters of 4 lph discharge capacity are operating. 2 m. Saturated hydraulic conductivity of the soil is 30 mm/h. Find the width of the wetted soil volume. Solution. 2 m. It will be taken as vertical depth of wetting front. So it is Z. 60 = Mohammed (2010) developed a simple empirical model to determine the wetting pattern geometry from surface point source drip irrigation system. The wetted soil volume was assumed to depend on the saturated hydraulic conductivity, volume of water applied, average change of moisture content and the emitter application rate.

There are no moving parts and hence prolong its working life. The system is simple in operation and involves no extra cost. COMPONENTS OF DRIP IRRIGATION SYSTEMS 31 In injection pump method, the fertilizer solution is injected by means of an injection pump (Fig. ). A pump can be driven by electric motor, diesel engine, or hydraulically operated by the water pressure of the irrigation system. The hydraulic pump is versatile, reliable and has low operation and maintenance expenses. A pump must develop a pressure greater than that of in irrigation pipeline.

Download PDF sample

Rated 4.95 of 5 – based on 41 votes