Advances in soil-borne plant diseases by Rob Jenkins, C.K. Jain

By Rob Jenkins, C.K. Jain

Show description

Read Online or Download Advances in soil-borne plant diseases PDF

Best science (general) books

Advances in Applied Microbiology, Vol. 35

Meant for researchers in utilized microbiology and environmental engineers, this booklet covers such themes as environmental overview of biotechnological methods and microbial ameliorations of haloaromatic and haloaliphatic compounds.

Frontiers in Brain Repair

Within the rapidly-evolving panorama of neurosciences, it's no effortless job to choose a constrained array of themes to give in a textual content equivalent to this. the present quantity takes as its goal to supply a consultant survey of the present technology of mind fix for these looking to identify a origin within the box or to fill up a previous wisdom base which could have lapsed in its forex.

Progressive Concepts for Semantic Web Evolution: Applications and Developments (Advances in Semantic Web & Information Systems Series (Aswis))

Revolutionary thoughts for Semantic internet Evolution: purposes and advancements unites study on crucial theories, versions, and functions of Semantic net learn. Contributions specialise in cellular ontologies and brokers, fuzzy databases, and new ways to retrieval and review within the Semantic net.

A Biomass Future for the North American Great Plains: Toward Sustainable Land Use and Mitigation of Greenhouse Warming (Advances in Global Change Research)

The North American nice Plains is an incredible worldwide breadbasket yet its agriculture is under pressure through drought, warmth, harmful winds, soil erosion and declining flooring water assets. Biomass construction and processing at the Plains could partly restoration a perennial vegetative conceal and create employment possibilities.

Extra info for Advances in soil-borne plant diseases

Example text

From becoming overgrown by moulds and fungi. Role of Soil Macrofauna 47 Another example of the association of a key indicator group with microorganisms are the fungus-growing ants (which include the leaf-cutting ants). These ants collect various materials and feed them to a symbiotic fungus that lives in their nests.

There are also soil-wood feeders and soil feeders, this means they ingest a high proportion of mineral material. Their nutrition derives mainly from welldecayed wood and partly-humified SOM. Another group of termites grows fungi in its nests (fungus-growing termites). In general, termites may be separated into five broad groups according to the type of food they ingest: Grass harvesters: these termites harvest the dead leaves of grasses, which may be stored in their nests; they belong to the families Hodotermitidae and Termitidae.

These galleries are denser in the top 40 cm and can represent up to 3 percent of the total soil volume. In these conditions, the waterholding capacity of soil can increase by 80 percent and water flux can be from four to ten times faster. Earthworm activity is very important in agricultural soils with a high degree of compaction and a ploughing pan that prevents water flux. This situation decreases water infiltration and increases surface runoff and erosion. Earthworms pierce the ploughing pan, so improving water infiltration and offering new paths for root penetration.

Download PDF sample

Rated 4.84 of 5 – based on 16 votes
 

Author: admin