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"Crops and water."
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Major crops and water scarcity in Egypt : irrigation water management under changing climate
Including multi-disciplinary quantifications of the effect of climate change on the water requirements of wheat, maize, rice and sugarcane, this text provides on-farm management that faces water scarcity under current situations and under climate change.
Book
Spatial Pattern of Water Footprints for Crop Production in Northeast China
Water is an important resource for crop production; identifying the spatial pattern of the crop water footprint (WF) is of great significance for the optimization of water resource consumption and management in agricultural production. This study quantified the green, blue and grey water footprints (GWF, BWF and GRWF) and water consumption (GWC, BWC and GRWC) of rice, maize and soybean at the 1 km grid level and city level in Northeast China in 2019 based on the CROPWAT 8.0 model. The results showed that the average total water footprints of rice (TWFr), maize (TWFm) and soybean (TWFs) were 624.31 m3·ton−1, 527.26 m3·ton−1 and 1298.21 m3·ton−1, respectively. The spatial differences in the WF of each crop were obvious in Northeast China, with the highest values of TWFr mainly occurring in Baicheng, Dalian and Qitaihe; the highest TWFm values were mainly found in Baicheng, Yingkou and Hulundao, and the highest TWFs were mainly found in Baicheng, Chifeng and Tongliao. The total water consumption of all three crops (TWCc) in Northeast China was 94 billion m3·yr−1 (42% green, 26% blue and 32% grey), in which the total water consumption of maize production (TWCm) accounted for 60%. The production of rice, maize and soybean in Northeast China mainly depends on green water, grey water and blue water, respectively. Combining the results of the spatial patterns of crop TWF and TWC, the study revealed that the planting pattern of crops in Northeast China was relatively reasonable for sustainable water use. Meanwhile, cities that have the potential to enhance crop production and cities that should improve their water use efficiency and reduce fertilizer application were also identified.
Journal Article
Improving water and nutrient use efficiency in food production systems
Improving Water and Nutrient Use Efficiency in Food Production Systems provides professionals, students, and policy makers with an in-depth view of various aspects of water and nutrient us in crop production.
eBook
Helping social entrepreneurs. Episode 2, Water management
In India, water management is a very big issue and one Social Entrepreneur is doing an amazing job of helping farmers to do this. In India, farmers struggle to grow their crops during the long dry months. The company, IDEI, tries to help by making affordable irrigation products that feed plants a drop of water at a time. But can farmers really make enough money to pay for them? And can IDEI's inspirational boss, Amitabha Sadangi, accept Alvin Hall's challenge to groom a successor? In India, many farmers are forced off their land during the hot, dry summer. Unable to produce enough food to feed their families, they migrate to the cities in search of work with many of them living rough on the edge of the city. This is what Amitabha is trying to change through his water irrigation system. He wants farmers to be able to grow their crops all year – even in summer – and therefore improve their lives and the lives of their families. But it is a heady mix, with many farmers having their superstitions and rituals alongside the simple science of Amitabha's drip irrigation system. But Amitabha is a great businessman and salesman, producing a Bollywood quality film to help sell his product. And his sales goals are ambitious. He wants ten million farmers to sign up for his system in the next decade. Alvin visits farmers who have bought the drip water system for the first time and witnesses how their crops fair after the first dry summer. He also speaks with farmers who have used the drip system for a few years and sees how life has improved for them. But whatever happens to these Indian farmers, the chance to transform their lives came from the extraordinary vision of one man, Amitabha Sadangi, and his tremendous commitment to them. IDEI is now going global, with offices in Africa, Asia and Latin America.
Streaming Video
Out of the Scientist's Garden
Out of the Scientist's Garden is written for anyone who wants to understand foodand water a little better - for those growing vegetables in a garden, food in asubsistence plot or crops on vast irrigated plains. It is also for anyone who has nevergrown anything before but has wondered how we will feed a growing population in aworld of shrinking resources. Although a practising scientist in the field of water and agriculture, the author has written, in story form accessible to a wide audience, about the drama of how the world feeds itself. The book starts in his own fruit and vegetable garden, exploring the 'how and why' questions about the way things grow, before moving on to stories about soil, rivers, aquifers and irrigation. The book closes with a brief history of agriculture, how the world feeds itself today and how to think through some of the big conundrums of modern food production.
eBook
Guidelines for the Safe Use of Wastewater, Excreta and Greywater, Volume 1
The Guidelines present policy issues and regulatory measures distilled from the technical detail found in volumes 2, 3 and 4. Those faced with the need to expedite the development of policies, procedures and regulatory frameworks, at national and local government levels, will find the essential information in this volume. It also includes summaries of the other volumes in the series.
eBook