نتایج جستجو برای: agricultural practices

تعداد نتایج: 274815  

2004
DON S. DOERING KAREN HOLMES MAGGIE POWELL

LAYOUT Each World Resources Institute report represents a timely, scholarly treatment of a subject of public concern. WRI takes responsibility for choosing the study topics and guaranteeing its authors and researchers freedom of inquiry. It also solicits and responds to the guidance of advisory panels and expert reviewers. Unless otherwise stated, however, all the interpretation and findings se...

2013
Thaís C. C. Fernandes Marcos A. Pizano Maria A. Marin-Morales

Among agricultural pesticides, herbicides comprise the most employed group in agriculture. The main function of these chemicals is to control weeds, weed competition reduces produc‐ tivity, without significantly impacting crop yield. Weeds tend to compete with crops by extracting essential elements from the soil, water, intercepting light and CO2, interfering in the culture development and affe...

2003
Reija Hietala-Koivu

Rural history and implementing agri-policy are mirrored in an agricultural landscape. No doubt, the basic structure and composition of agricultural landscape depends on local climatic and natural conditions. There is a close connection between agricultural landscape management and biodiversity management at the gene, species and habitat level. The purpose of this paper is to present four ways t...

1999
V. Blanfort P. Thomas G. Balent A. Michon

The use of a systemic approach allows us to analyse the interrelationship between the vegetation dynamic and the agricultural practices through three biological indicators which relate to one hundred paddocks in six cattle farms. Concerning the vegetation dynamics, it seems that some management practices lead to a nonreversable degradation stage. As regards the forage system, the measure of swa...

2013
Monica J. Garfield Getahun Semeon Weldemariam Million Meshesha Dessa David

Agriculture is the dominant sector in the Ethiopian economy but it is characterized by low productivity. Ethiopia is interested in creating access to agricultural knowledge through an agricultural knowledge management system (AKMS). Such a system has been developed using a web-based portal named Ethiopian Agriculture Portal (EAP). It is facilitated through Woreda Knowledge Centers (WKCs) which ...

2003

Regimes of protection for biodiversity throughout the agricultural landscape are needed to support the agriculture sector in general and farmers in particular. There are many opportunities to establish protective regimes that will contribute to the agriculture sector through “protect-and-connect” policies and practices. These can also contribute to the biodiversity value of natural protected ar...

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