|
|
|
|
|
Jian Han, Li Xing, Chuang Zhang, Jundi Li, Yannan Li, Yuming Zhang, Hongbo He, Chunsheng Hu, Xiaoxin Li, Lijuan Zhang, Wenxu Dong, Shuping Qin and Xiuping Liu
Microbial residue nitrogen can indicate soil quality and is crucial for soil nitrogen retention and supply. However, it is still unclear how the dynamic changes in soil microbial residue nitrogen affect crop nitrogen uptake in agricultural practice. Base...
ver más
|
|
|
|
|
|
|
|
|
|
|
Youssef A. Attia, Mohammed A. Al-Harthi, Ahmed A. Al Sagan, Nisreen M. Abdulsalam, Elsayed O. S. Hussein and Marai J. Olal
Flax seed meal is a valuable source of fatty acids, particularly omega-3 such as alpha-linolenic acid (ALA), but its mucilage contents limit its use. This study assessed the effect of different levels of soaked flax seed meal (SFSM) on the production and...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shaqian Liu, Rui Yang, Xudong Peng, Chunlan Hou, Juebing Ma and Jiarui Guo
Plant litter decomposition and its effect on soil nutrients are important parts of the ecosystem material cycle, and understanding these processes is key for species selection and allocation to promote the effective use of litter in ecological tea garden...
ver más
|
|
|
|
|
|
|
|
|
|
|
Myunggu Jung, Woorim Ko, Yeohee Choi and Youngtae Cho
South Korea has witnessed a remarkable decline in birth rates in the last few decades. Although there has been a large volume of literature exploring the determinants of low fertility in South Korea, studies on spatial variations in fertility are scarce....
ver más
|
|
|
|
|
|
|
|
|
|
|
Isreal Zewide,Tamado Tana,Lemma Wogi,Ali Mohammed
Soil fertility depletion due to soil erosion and nutrient leaching caused by heavy and continuous rainfall is one of the major causes for declining of soil productivity and crop yields in Masha district of south-western Ethiopia. Soil Hence, a field expe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pooja Koirala, Sudeep Thakuri, Subesh Joshi and Raju Chauhan
Soil erosion is a major issue, causing the loss of topsoil and fertility in agricultural land in mountainous terrain. Estimation of soil erosion in Nepal is essential because of its agriculture-dependent economy (contributing 36% to national GDP) and for...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zerihun Abebe and Haile Deressa
The problems of low soil fertility resulting from continuous monocropping, crop residue removal and limited fertilizer use represent key challenges to produce surplus food for the ever increasing population of Ethiopia. However, the practices of crop rot...
ver más
|
|
|
|
|
|
|
|
|
|
|
Paulo César Teixeira,José Leonardo Moraes Gonçalves,José Carlos Arthur Junior,Cleci Dezordi
Pág. 47 - 63
A considerable portion of Brazil?s commercial eucalypt plantations is located in areas subjected to periods of water deficit and grown in soils with low natural fertility, particularly poor in potassium. Potassium is influential in controlling water rela...
ver más
|
|
|
|
|
|
|
|
|
|
|
Manuel Gómez, Luis Currais
Pág. pp. 165 - 181
This paper presents a fertility choice model in which the mortality rate is also endogenously determined and health expenditure provides utility to individuals as well as affects the mortality rate. The analysis shows that the model predictions agree wit...
ver más
|
|
|
|
|
|