scholarly journals Influence of irrigation regimes on competition indexes of winter and summer intercropping system under semi-arid regions of Pakistan

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Amanullah ◽  
Shah Khalid ◽  
Farhan Khalil ◽  
Imranuddin
Keyword(s):  
Arid Regions ◽  
Irrigation Regimes ◽  
Semi Arid

scholarly journals Effect of Irrigation Water Regimes on Yield of Tetragonia Tetragonioides

Agriculture ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 22 ◽  
Author(s):  
Gulom Bekmirzaev ◽  
Jose Beltrao ◽  
Baghdad Ouddane
Keyword(s):  
Soil Water ◽  
Irrigation Water ◽  
Arid Regions ◽  
Total Yield ◽  
Soil Salinization ◽  
Soluble Carbohydrates ◽  
Water Regimes ◽  
Irrigation Regimes ◽  
Semi Arid ◽  
Tetragonia Tetragonioides

The main purpose of this experiment was to study the effect of several irrigation water regimes on Tetragonia tetragonioides (Pall) O. Kuntze in semi-arid regions. During the experiment period, it was measured that several irrigation regimes were affected in terms of growth, biomass production, total yield, mineral composition, and photosynthetic pigments. The experiment was conducted in the greenhouse at the University of Algarve (Portugal). The study lasted from February to April in 2010. Three irrigation treatments were based on replenishing the 0.25-m-deep pots to field capacity when the soil water level was dropped to 70% (T1, wet treatment), 50% (T2, medium treatment), and 30% (T3, dry treatment) of the available water capacity. The obtained results showed that the leaf mineral compositions of chloride and sodium, the main responsible ions for soil salinization and alkalization in arid and semi-arid regions, enhanced with the decrease in soil water content. However, the minimum amounts of chlorophyll, carotenoids, and soluble carbohydrates in the leaf content were obtained in the medium and driest treatments. On the other hand, growth differences among the several irrigation regimes were very low, and the crop yield increased in the dry treatment compared to the medium treatment; thus, the high capacity of salt-removing species suggested an advantage of its cultivation under dry conditions.

scholarly journals Influence of Drip Irrigation Regimes and Lateral Spacing on Cumin Productivity

2016 ◽  
Vol 11 (1) ◽  
pp. 333-337 ◽  
Author(s):  
Arvind Kunapara ◽  
R Subbaiah ◽  
Girish Prajapati ◽  
Jaydip Makwana
Keyword(s):  
Seed Yield ◽  
Drip Irrigation ◽  
Dry Matter ◽  
Arid Regions ◽  
Irrigation Regimes ◽  
Use Efficiency ◽  
Optimum Water ◽  
Semi Arid ◽  
Plot Design

Cumin is one of the important spice crops grown in arid and semi arid regions of India and is being adopted to cure some of the dreaded diseases. Determination of optimum water requirement which is function of soil crop and atmosphere is needed for achieving more profit and higher productivity per unit of water. Keeping in view, a field experiment was undertaken to access the conjugate impact of three irrigation regimes (0.6IW/ETc, 0.8IW/ETc and1.0IW/ETc) and three lateral spacing (0.60m, 0.70m and 0.80m) on productivity of cumin. Split plot design with three treatment replications was adopted. Drip irrigation with 0.8 IW/ETc resulted higher seed yield, plant height and dry matter of 1344.17 kg/ha, 36.42 cm and 2365 kg/ha respectively at 0.8 IW/ETc with lateral spacing 0.6 m as compared to other treatments. Highest water use efficiency (5.58 kg/ha.mm) was observed at 0.6 IW/ETc with 0.60 m lateral spacing. Highest B:C ratio (2.27) observed at 0.8 IW/ETcwith lateral spacing 0.6m as compared to other treatments.

Semi-arid regions of the boreal zone as demonstrated in the Yukon Basin

Erdkunde ◽  
2000 ◽  
Vol 54 (1) ◽  
pp. 1-19 ◽  
Author(s):  
Ralph Jätzold
Keyword(s):  
Arid Regions ◽  
Boreal Zone ◽  
Semi Arid

BIODIVERSITY OF HALOPHYTES IN SEMI-ARID REGIONS CASE OF ZAHREZ GHARBI AND ZAHREZ CHERGUI (ZAAFRANE-DJELFA) IN ALGERIA

2020 ◽  
Vol 76 (11) ◽  
Author(s):  
Senni Rachida ◽  
De Belair Gerard ◽  
Abdelkrim Hacene
Keyword(s):  
Arid Regions ◽  
Semi Arid

Water Resources Management in the Semi-Arid Central Valley of California

1987 ◽  
Vol 19 (9) ◽  
pp. 97-106
Author(s):  
J. J. Vasconcelos
Keyword(s):  
Resource Management ◽  
Ground Water ◽  
Water Resource ◽  
Water Resource Management ◽  
Arid Regions ◽  
Central Valley ◽  
The United States ◽  
Policy Makers ◽  
Ground Water Resource ◽  
Semi Arid

Hater resource managers in semi-arid regions are faced with some unique problems. The wide variations in precipitation and stream flows in semi-arid regions increase man's dependence on the ground water resource for an ample and reliable supply of water. Proper management of the ground water resource is absolutely essential to the economic well being of semi-arid regions. Historians have discovered the remains of vanished advanced civilizations based on irrigated agriculture which were ignorant of the importance of proper ground water resource management. In the United States a great deal of effort is presently being expended in the study and control of toxic discharges to the ground water resource. What many public policy makers fail to understand is that the potential loss to society resulting from the mineralization of the ground water resource is potentially much greater than the loss caused by toxic wastes discharges, particularly in developing countries. Appropriations for ground water resource management studies in developed countries such as the United States are presently much less than those for toxic wastes management and should be increased. It is the reponsibility of the water resource professional to emphasize to public policy makers the importance of ground water resource management. Applications of ground water resource management models in the semi-arid Central Valley of California are presented. The results demonstrate the need for proper ground water resource management practices in semi-arid regions and the use of ground water management models as a valuable tool for the water resource manager.

scholarly journals Mulching as water-saving technique in dryland agriculture: review article

2019 ◽  
Vol 43 (1) ◽  
Author(s):  
Mohammad Abdul Kader ◽  
Ashutus Singha ◽  
Mili Amena Begum ◽  
Arif Jewel ◽  
Ferdous Hossain Khan ◽  
...  
Keyword(s):  
Arid Regions ◽  
Review Article ◽  
Water Saving ◽  
Future Research ◽  
Agricultural Water ◽  
Plastic Mulch ◽  
Dryland Agriculture ◽  
Crop Cultivation ◽  
Agricultural Water Resources ◽  
Semi Arid

Abstract Agricultural water resources have been limited over the years due to global warming and irregular rainfall in the arid and semi-arid regions. To mitigate the water stress in agriculture, mulching has a crucial impact as a water-saving technique in rain-fed crop cultivation. It is important mainly for preserving soil moisture, relegating soil temperature, and limiting soil evaporation, which affects the crop yield. Mulching has many strategic effects on soil ecosystem, crop growth, and climate. Mulch insulates the soil, helping to provide a buffer from cold and hot temperatures that have a crucial activity in creating beautiful and protected landscapes. This study has accumulated a series of information about both organic and plastic mulch materials and its applicability on crop cultivation. Moreover, future research potentials of mulching with modeling were discussed to quantify water loss in agriculture.

Reducing human activity promotes environmental restoration in arid and semi-arid regions: A case study in Northwest China

2021 ◽  
pp. 144525
Author(s):  
Chuanhua Li ◽  
Yutao Wang ◽  
Xiaodong Wu ◽  
Hongjuan Cao ◽  
Wangping Li ◽  
...  
Keyword(s):  
Human Activity ◽  
Arid Regions ◽  
Northwest China ◽  
Environmental Restoration ◽  
Semi Arid
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