Green land D.J Lal R
Soil physical properties and crop production in the tropics - New York John Wiley and Sons 1979 - 551 Pages
Agricultural chemistry
Soil Science
631.4 / LAL/SO
Soil physical properties and crop production in the tropics - New York John Wiley and Sons 1979 - 551 Pages
Agricultural chemistry
Soil Science
631.4 / LAL/SO