1. Chemistry of the soil
Author: Bear, Firman Edward
Library: Library of College of Science University of Tehran (Tehran)
Subject: ، Soil chemistry
Classification :
S
593
.
B39
1964
2. Diagnostic techniques for soils and crops,their value and use in estimating the fertility status of soils and nutritional requirements of crops
Author: Bear, Firman E. )Firman Edward(
Library: Central Library of Agricultural (Tehran)
Subject: $ASoils$BAnalysis,$ASoil fertility,$ASoils -- Testing,$ASoil fertilizer requirements,$APlants$BNutrition,$ADeficiency diseases in plants,$AAgricultural chemistry
Classification :
S
593
.
B4
3. Soils in relation to crop growth
Author: Bear, Firman Edward
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Soils,، Plant physiology
Classification :
S
591
.
B37
