Тупроқшунослик асослари

Atterberg бўйича тупроқ классификацияси. (Rattan Lal)

4 Rattan Lal

5 (Soil degradation in the United States: extent, severity, and trends/ Rattan Lal, Terry M.Sobecki, Thomas Iiваri, John M. Kimble.2004, 6 бет.)

6 (Organic Farming: Policiesand ProspectsStephan Dabbert,Anna Maria Häring,Raffaete Zanoli2003, 7 бет).

7 (Organic Farming: Policiesand ProspectsStephan Dabbert,Anna Maria Häring,Raffaete Zanoli.2003,13 бет).

8 (Soil degradation in the United States: extent, severity, and trends/ Rattan Lal, Terry M.Sobecki, Thomas Iiваri, John M. Kimble.2004, 8 бет.)

9 Enciclopedia of Soil Science Second Edition edited by Rattan lal 4-bet

10 (Soil degradation in the United States: extent, severity, and trends/ Rattan Lal, Terry M.Sobecki, Thomas Iiваri, John M. Kimble.2004, 6 бет.)

11 Enciclopedia of Soil Science Second Edition edited by Rattan lal 26-bet

12 (Organic Farming: Policiesand ProspectsStephan Dabbert,Anna Maria Häring,Raffaete Zanoli2003, 7 бет).

13 (Organic Farming: Policiesand ProspectsStephan Dabbert,Anna Maria Häring,Raffaete Zanoli.2003,13 бет).

14 Enciclopedia of Soil Science Second Edition edited by Rattan lal 5-bet

15 Enciclopedia of Soil Science Second Edition edited by Rattan lal 5-bet

16 Enciclopedia of Soil Science Second Edition edited by Rattan lal 7-bet

17 Enciclopedia of Soil Science Second Edition edited by Rattan lal 5-бет

18 Enciclopedia of Soil Science Second Edition edited by Rattan lal 7-бет

19 Enciclopedia of Soil Science Second Edition edited by Rattan lal 8-бет

20

21 ^10. ( Почвозащитное и ресурсосберагающее земледелие: Теория и методика исследований. FAO-CYMMIT, Анкара, 2015. – 175 с. ISBN978-92-5-408795-1.)

22 PLANT AND SOIL SCIENCES 105 Soils LABORATORY MANUAL Department of Plant and Soil Sciences
University of Massachusetts Amherst, MA 01003 Edited and Revised 1996, by D. Picking and P. Veneman
Revised and Reformatted 1997, 1999, 2001, 2002, 2003, 2006, 2007,2008 by S. Simkins

23 PLANT AND SOIL SCIENCES 105 Soils LABORATORY MANUAL Department of Plant and Soil Sciences
University of Massachusetts Amherst, MA 01003 Edited and Revised 1996, by D. Picking and P. Veneman
Revised and Reformatted 1997, 1999, 2001, 2002, 2003, 2006, 2007,2008 by S. Simkins

24 LABORATORY GUIDE FOR CONDUCTING SOIL TESTS AND PLANT ANALYSIS J. Benton Jones, Jr. Boca Raton London New York Washington, D.C. CRC Press 2001

25 Сапаров А., Курбанова А., Матмуртов М., Шеримбетов В., Хабибуллаев А.- “ЭКОЛОГИЯ” фанидан маърузалар матни. Нукус 2007.