منابع مشابه
An overview of current and potential hill country livestock systems
This paper reviews current production trends for sheep and beef cattle production in New Zealand and gives some insight into the opportunities for improvement. The New Zealand climate favours pasture growth and this is the key to sheep and beef cattle production with over 95% of the diet being grazed pasture or crop. Exports are the focus of the industry with 92% of sheep meat and 82% of beef e...
متن کاملMycorrhizas and soil structure.
In addition to their well-recognized roles in plant nutrition and communities, mycorrhizas can influence the key ecosystem process of soil aggregation. Here we review the contribution of mycorrhizas, mostly focused on arbuscular mycorrhizal fungi (AMF), to soil structure at various hierarchical levels: plant community; individual root; and the soil mycelium. There are a suite of mechanisms by w...
متن کاملMycorrhizas for Forestry and Agriculture
This chapter provides an introduction to the concepts and procedures that would be required to plan. initiate. monitor and analyse experiments involving mycorrhizal inoculation or fertilizer application treatments. The following discussion is concerned primarily with larger field trials required in plantation forestry. but most principles apply equally to smaller experiments conducted in the gl...
متن کاملEvolving insights to understanding mycorrhizas
Almost all land plant species form a symbiosis with mycorrhizal fungi. These soil fungi provide nutrients and other services to plants in return for plant carbohydrates. The recent application of microbial metagenomics, metatranscriptomics, and metabolomics to plants and their immediate surroundings confirms the key role of mycorrhizal fungi, rhizosphere bacteria and fungi, and suggests a world...
متن کاملPodocarp Roots, Mycorrhizas, and Nodules
Podocarps are often found on lownutrient soils and further exacerbate nutrient limitation through the production of recalcitrant litter. Understanding podocarp ecology therefore depends on understanding the root adaptations of podocarps to obtain nutrients. The roots of podocarps are heterorhizic (having two root forms) with abundant spherical determinate short roots, a unique form of largely u...
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ژورنال
عنوان ژورنال: New Zealand Journal of Agricultural Research
سال: 1977
ISSN: 0028-8233,1175-8775
DOI: 10.1080/00288233.1977.10427364