1. Soil fertility and fertilizers
Author: / John L. Havlin...[et al.]
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Fertilizers,Soil Fertility,Crops - nutrition
Classification :
S633
.
S6
2. Soil fertility and fertilizers
Author: / John L.Havlin [...et al]
Library: Library of Aras International Campus University of Tehran (East Azarbaijan)
Subject: Fertilizers,Soil fertility,Crops - Nutrition
Classification :
S
633
.
S66
3. Soil fertility and fertilizers
Author: John L. Havlin ... [et al.]&
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Fertilizers,Soil fertility,Crops -- Nutrition
Classification :
S
،
633
،.
S715
،
1999
4. Soil fertility and fertilizers
Author: / John L. Havlin...[et al.]
Library: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
Subject: Fertilizers,Soil Fertility,Crops - nutrition
Classification :
S633
.
S
715
5. Soil fertility and fertilizers: an introduction to nutrient management
Author: John L. Havlin...]et al.[
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Fertilizers,، Soil fertility,Nutrition ، Crops
Classification :
S
633
.
S715
1999
