Comparing farmers' qualitative evaluation of soil fertility with quantitative soil fertility indicators in Kitui County, Kenya
نویسندگان
چکیده
منابع مشابه
Soil Fertility: QUEFTS and Farmers’ Perceptions
Soil fertility is one of many factors which influence farmers’ choices regarding agricultural production, fertilisation and soil and water conservation. Before we can study the effects however, we need to measure soil fertility. We use the QUEFTS model (QUantitative Evaluation of the Fertility of Tropical Soils Janssen et al., 1990), which predicts crop yields from chemical soil characteristics...
متن کاملExploring new pathways for innovative soil fertility management in Kenya
About NUTNET NUTNET is a network that aims to improve the management of soil fertility in Africa. It is a partnership of fifteen organisations from six African and two European countries: About Enhancing soil fertility in Africa: from field to policy-maker (NAGREF) from Greece. It is funded by the International Cooperation for Development (INCO) programme of the European Union, which links ongo...
متن کاملNitrogen and Soil Fertility
amounts involved are much smaller. The amount of boron in the 7-ton potato crop (if determined) would have been about 0.2 pound. In the case of boron (and to a lesser degree the other micronutrients) if the soil contains excessive amounts, toxic quantities are absorbed by plants and growth is restricted. The need for a reasonable balance in amounts of available nutrients in the soil has been po...
متن کاملSoil Fertility - Chap 01
If all resources are harnessed, and adequate measures taken to minimize soil degradation, sufficient food to feed the population in 2020 can be produced, and probably sufficient for a few billion more. These were the key conclusions from a Discussion Meeting held at the Royal Society in London in December 1996. The meeting entitled ‘Land resources: on the edge of the Malthusian precipice?’ atte...
متن کاملIron and Soil Fertility
Fertilizers that are essentially sulfurfree have been used increasingly. Ammonium nitrate, anhydrous ammonia, urea, and ammonia solutions are examples among the nitrogen carriers. The use of concentrated superphosphate and other phosphorus carriers with little sulfur has been expanding. We recommend that farmers in areas of potential deficiency should have a planned program of adding sulfur ins...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Geoderma
سال: 2019
ISSN: 0016-7061
DOI: 10.1016/j.geoderma.2019.01.019