1. Diagnostic techniques for soils and crops,their value and use in estimating the fertility status of soils and nutritional requirements of crops
پدیدآورنده : Bear, Firman E. )Firman Edward(
کتابخانه: Central Library of Agricultural (Tehran)
موضوع : $ASoils$BAnalysis,$ASoil fertility,$ASoils -- Testing,$ASoil fertilizer requirements,$APlants$BNutrition,$ADeficiency diseases in plants,$AAgricultural chemistry
رده :
S
593
.
B4
