-
01/01/2006 This publication includes information on soil fertility, earthworms, cover cropping, compost, mulching and intensive beds.
-
Ressource principale01/01/2002 L’acidification du sol est un processus naturel ayant d'importants effets sur la croissance des plantes. À mesure que le sol devient de plus en plus acide, particulièrement lorsque le pH descend en-dessous de 4,5, il est de plus en plus difficile de produire des cultures vivrières. Lorsque le pH...
- Aussi disponible en:
- English (en)
-
This video is Session 2 part 2 of our ongoing training on "Introduction to Soil Science." This training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter,...
-
This training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter, and nutrients. After some classroom discussion we wentout to into the ECHO Farm wherewe...
- Aussi disponible en:
- English (en)
- ไทย (th)
-
This 1/2 day training gave abroad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter, and nutrients. After some classroom discussion we went head out to into the ECHO Farm...
- Aussi disponible en:
- ไทย (th)
- English (en)
-
Ressource principale 02/10/2008 This practical handbook describes sampling and laboratory assessment methods for the biodiversity of a number of key functional groups of soil organisms, including insects, earthworms, nematodes, fungi and bacteria. The methods have been assembled and the protocols drafted by a number of...
-
Ressource principale 02/01/1989 [see also 631.491 YOU - volume updated, and with title change] This book is a review of the potential of agroforestry for soil conservation, treated in its wider sense to include both control of erosion and maintenance of fertility. The objectives are: To summarize the present state of knowledge...
-
Ressource principale 01/01/2001 Food security in West Africa is challenged by complex issues, including rapid population growth, exploitation of nonrenewable resources, and chronic low soil fertility, but in this text experts from world agricultural institutions share their work to provide solutions. Topics covered include soil...
-
Ressource principale 01/10/1974 Soils play a critical role in meeting human food needs. Their conservation and wise use are essential today and will be even more critical in the future as population pressures increase. These pressures are already forcing the use of lands for food production that good judgment says should be...
-
The Cornell Soil Health Assessment Training Manual: Provides an overview of the concept of soil health. Describes soil constraints and soil quality issues common to soils in New York and the Northeast region, especially in vegetable and field crop production systems. Provides guidelines on how to...