Soil erosion impact on agronomic productivity and environment quality
R Lal - Critical reviews in plant sciences, 1998 - Taylor & Francis
Soil erosion is a global issue because of its severe adverse economic and environmental
impacts. Economic impacts on productivity may be due to direct effects on crops/plants on …
impacts. Economic impacts on productivity may be due to direct effects on crops/plants on …
Drivers of change in global agriculture
As a result of agricultural intensification, more food is produced today than needed to feed
the entire world population and at prices that have never been so low. Yet despite this …
the entire world population and at prices that have never been so low. Yet despite this …
[HTML][HTML] When yield gaps are poverty traps: The paradigm of ecological intensification in African smallholder agriculture
P Tittonell, KE Giller - Field Crops Research, 2013 - Elsevier
Yield gaps are pervasive in African smallholder agriculture, and are large for almost all
crops in all regions. There is consensus that poor soil fertility and nutrient availability are the …
crops in all regions. There is consensus that poor soil fertility and nutrient availability are the …
A high-resolution assessment on global nitrogen flows in cropland
Crop production is the single largest cause of human alteration of the global nitrogen cycle.
We present a comprehensive assessment of global nitrogen flows in cropland for the year …
We present a comprehensive assessment of global nitrogen flows in cropland for the year …
Household-level determinants of adoption of improved natural resources management practices among smallholder farmers in western Kenya
PP Marenya, CB Barrett - Food policy, 2007 - Elsevier
Integrated natural resources management (INRM), of which integrated soil fertility
management (ISFM) is a component, offers considerable promise for increasing food …
management (ISFM) is a component, offers considerable promise for increasing food …
[HTML][HTML] Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
In the tropics, warm temperatures and high rainfall contribute to acidic soil formation
because of the significant leaching of base cations (K+, Ca2+, Mg2+, and Na+), followed by …
because of the significant leaching of base cations (K+, Ca2+, Mg2+, and Na+), followed by …
Popular myths around soil fertility management in sub-Saharan Africa
B Vanlauwe, KE Giller - Agriculture, ecosystems & environment, 2006 - Elsevier
The aim of this paper is to demystify some of the popular myths related to tropical soil fertility
management that have gained hold in the development community and are often being …
management that have gained hold in the development community and are often being …
[图书][B] Soil degradation: a threat to developing-country food security by 2020?
SJ Scherr - 1999 - books.google.com
Page 1 Food, Agriculture, and the Environment Discussion Paper 27 Soil Degradation A Threat
to Developing-Country Food Security by 2020? Sara J. Scherr INTERNATIONAL FOOD …
to Developing-Country Food Security by 2020? Sara J. Scherr INTERNATIONAL FOOD …
Soil fertility in Africa is at stake
EMA Smaling, SM Nandwa… - Replenishing soil fertility …, 1997 - Wiley Online Library
Soil fertility in Africa is under pressure as an increasing number of farmers attempt to make a
living based on what the land can offer to growing plants. Studies in Africa from about 1989 …
living based on what the land can offer to growing plants. Studies in Africa from about 1989 …
More efficient phosphorus use can avoid cropland expansion
Global projections indicate that approximately 500 Mha of new arable land will be required
to meet crop demand by 2050. Applying a dynamic phosphorus (P) pool simulator under …
to meet crop demand by 2050. Applying a dynamic phosphorus (P) pool simulator under …