نتایج جستجو برای: less than 625 individuals per hectare

تعداد نتایج: 2634328  

2010
J. Humphreys I. A. Casey A. S. Laidlaw

This study, conducted over four years (2003–2006), compared herbage production, nutritive value of herbage, the length of the grazing season and milk production per cow and per hectare from grassland systems based on (i) white clover (average 219 g/kg of herbage DM) (WC) receiving on average N application of 90 kg/ha (s.d. 6.4) in spring and successive 0.2 of the area over-seeded annually with ...

Journal: :Journal of economic entomology 2007
L L Stelinski P McGhee M Haas A L Il'ichev L J Gut

Several application parameters of microencapsulated (MEC) sex pheromone formulations were manipulated to determine their impact on efficacy of disruption for codling moth, Cydia pomonella (L.); oriental fruit moth, Grapholita molesta (Busck); obliquebanded leafroller, Choristoneura rosaceana (Harris); and redbanded leafroller, Argyrotaenia velutinana (Walker). Depending on the experiment, the f...

ژورنال: علوم آب و خاک 2019

Limited information is available on the effect of residues rates and slope direction on dryland wheat (Triticum aestivum L.) yield.  This study was carried out to determine the effects of residues rates and tillage direction on grain yield and yield components of the Sardary wheat in a dryland region in Zanjan. Five wheat residues rates (0, 25, 50, 75 and 100% surface cover) were applied and i...

2016
S. Basnet

in Eastern and Central Nepal. Despite the current situation of the Mikania invasion, quantitative data on the impacts and scale of the problems are lacking for the country. Due to the lack of information regarding scale of invasion, the stakeholders have not put forwarded the proper control mechanism of the species. This paper has made an attempt to analyze the scale of invasion through the com...

2015
B. H. Marsh

Abstract—Nitrogen fertilizer is the most used and often the most mismanaged nutrient input. Nitrogen management has tremendous implications on crop productivity, quality and environmental stewardship. Sufficient nitrogen is needed to optimum yield and quality. Soil and in-season plant tissue testing for nitrogen status are a time consuming and expensive process. Real time sensing of plant nitro...

2016
Thi Minh Chi Nguyen

This study attempts to investigate the impact of the working certification programs on the income of the coffee farms operated by the local smallholders at Dakha District, Kontum, Vietnam. Followed by the comparisons of the socio-demographic and economic characteristics between certified and non-certified farmers, the study adopts the Binary Probit model and linear regression model were applied...

2012
Dawit TSEGAYE

The study was undertaken to examine the profitability of contractual bread wheat seed production in Kudmi village of Mecha district in Amhara region, Ethiopia. Primary data were collected from fourteen seed growers using structured questionnaire. The analytical tools employed include descriptive statistics and average net farm income. Results revealed that the average total cost of production p...

احمدی, جعفر, امینی دهقی , مجید, سالاریان, علیجان,

Rhizomania malady disease (Root madness) is one of the important diseases of sugar beet (Beta vulgaris L.) and is common in all parts of the world. Its damages in sensitive cultivar is usually more than 50% and in some cases reaches to 100%. In order to evaluate resistance of internal and external cultivars to this disease, an experiment was carried out on the basis of a randomized complete b...

2017
Andrea Elena Iglesias Molli Alberto Penas Steinhardt Ariel Pablo López Claudio Daniel González Jorge Vilariño Gustavo Daniel Frechtel Gloria Edith Cerrone

The Metabolic Syndrome (MetS) is a cluster of cardiometabolic risk factors, usually accompanied by the presence of insulin resistance (IR) and a systemic subclinical inflammation state. Metabolically healthy obese (MHO) individuals seem to be protected against cardiometabolic complications. The aim of this work was to characterize phenotypically the low-grade inflammation and the IR in MHO indi...

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