نتایج جستجو برای: planting diversity
تعداد نتایج: 201656 فیلتر نتایج به سال:
Almost half of the world’s vineyards are in the EU and the EU produces around 60% of the world’s wine. The EU is also the world’s most regulated wine market. In 2007, the European Union decided on a major reform of its wine policy, the so-called Common Market Organization (CMO) for wine. A crucial element was the abolishment of a system of planting rights to regulate planting of vineyards in th...
This study examines the factors that determine the likelihood of submitting a potentially fraudulent prevented planting claim. A theoretical model is developed and the theoretical predictions are empirically verified by utilizing a binary choice model and crop insurance data from the southern United States. The empirical results show that insured producers with higher prevented planting coverag...
Poor indoor air quality has been linked to health problems, especially in children. Asthma has reached epidemic proportions among multiple age groups and is considered the most common chronic disease in urban-dwelling children. The American Academy of Allergy, Asthma and Immunology Indoor Allergen Committee suggested in a 2010 report that allergists consider indoor air filtration to be part of ...
Serr variety to which all rootstocks were (!.raftedhas grown and produced on all rootstock selections although some have grown faster and produce more than others. Northern California Black Walnut (Juglans hindsii) and ~. major grow to moderate size and have good production potential. The paradox seedling, paradox cutting and Royal seedling grow to large size and have a good production potentia...
Optimum planting geometries have been shown to increase crop yields in maize-soybean intercrop systems. However, little is known about whether changes in planting geometry improve the seasonal water use of maize and soybean intercrops. We conducted two different field experiments in 2013 and 2014 to investigate the effects of changes in planting geometry on water use efficiency (WUE) and evapot...
Presence of invasive species on rangelands is a degradation sign. The aim of this study was to evaluate the effects of invasive species Leucanthemum vulgare Lam. on the structural and functional characteristics of Fandoghlou rangelands in the Namin county of Ardabil province. The model used for sampling was the stratified random systematic. Two main sites with the presence and absence of L. vul...
ABSTRACT: Ecological restoration has become an important complementary practice to protect natural resources and preserve biodiversity. However, native species may be used in programs ways that do not optimize their performance. This research evaluated the survival model initial growth of 15 tree planted “filling” “diversity” lines post-planting phase a experiment subtropics Brazilian Atlantic ...
The large-scale conversion of natural mangroves to aquaculture reduces species richness and diversity. Large areas abandoned ponds in where formerly predominated China southeast Asia represent important potential effective targets for mangrove restoration. Here, we empirically assessed the α-diversity (species richness) β-diversity (variation community composition) mangrove, macrobenthos, fish ...
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