Morozov A.N.

Lecture 0. Introduction to the section - popularily on meliorations

If a professor grandfather can not clearly explain the core of his scientific work to his grandson, then it means that he does not understand it clearly himself.

(Joke of American scientists)

Full ignorance is not much the biggest mischief; accumulation of poor grasp is even worse.

PLATON (Classical Greek)

 

Changing over to market relations and widespread development of farming in Uzbekistan significantly increased concern of farmers to acquisition of special knowledge on agronomy and arable farming and also on melioration of irrigated lands.
Very often, people of non-farming occupations went on the land during rampant development of farming. Simple, understandable and accessible manuals on meliorations are necessary to be developed for them. On the other hand, there are people having agricultural education and a wealth of experience in practical work among the farmers, but so far they have not opportunity to be aware of information on meliorations issues.
Participation in numerous "Farmers schools" workshops conducted by different organizations, personal contacts with many of farmers, and showed interest from their side to the lectures resulted on idea to develop a website in Internet by the authors which would popularly enlight general imagination on meliorative methods at irrigated lands, and, especially - at salinity soils and at soils which are subject to salinity.

Besides, specific recommendations on methods of water and salt control regimes of soils in any particular natural conditions of Uzbekistan are also needed for farmers.
With taking into account that "soils melioration" subject as a school is cross-disciplinary, i.e. it is a synthesis of sciences on:

- soil and its particle-size distribution and chemical composition;
- soil solutions, formed under impact of irrigation and salinization;
- hydrogeology (groundwater formation and its flowing);
- climate and in connection with it, treatment of irrigation water rationing for any crop;
- irrigation schedule and leaching of salts in soil;
- methods of draining of irrigated lands, purposes and designs of drainage systems;
- features of various crops cultivation, requirements for soil moisture and tolerable level of its salinity at different development stages of crops;
- soil-improving methods of cultivation and reserves of agricultural technologies (zero and minimal tillage),

The authors decided to widen in some degree the usual frames of schoolbooks on melioration and describe understandable, simple as possible main processes going at irrigated fields and their interrelationship (disclaiming scientific integrity and almost without mathematical manipulation).

New ideas in irrigated farming, update of findings in field of melioration and crops cultivation at arid zones, and also recommendations on efficient melioration techniques will be enlighten in a set of short articles. That would be useful for farmers, summer residents, college students, bachelors and masters as supplementary books additional. That also could be used for trainings of farmers at level of water users associations, of dehkan and farmers associations or by special consulting organizations for farmers.

The authors have long-term experience in research and design, related publications in scientific reviews, presentations developed for different level of training of listening public, starting from popular up to strictly scientific - assigned for simple farmers.

A. Morozov
Engineer

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