Results 251 to 252 of about 25,655,192 (252)

Influence of long-term fertilization with farmyard manure on soil organic matter: Characteristics of particle-size fractions

Biology and Fertility of Soils, 1991
H -R Schulten, Schulten H -R
exaly  

Organic carbon and its fractions in paddy soil as affected by different nutrient and water regimes

Geoderma, 2005
Changming Yang, Zhu Ouyang, Linzhang Yang   +2 more
exaly