نتایج جستجو برای: planters
تعداد نتایج: 218 فیلتر نتایج به سال:
Mantled fruits as a result of somaclonal variation are often observed from the oil palm plantlets regenerated via tissue culture. The mantling of fruits with finger-like and thick outer coating phenotypes significantly reduces the seed size and oil content, posing a threat to oil palm planters, and may jeopardize the economic growth of countries that depend particularly on oil palm plantation. ...
A 38-year-old Bangladeshi male presented to the Emergency Room with acute confusional state for 3 days, constitutional symptoms for 3 months and testicular mass for 2 months. Clinical examination revealed that he was febrile, confused, agitated with normal cranial nerves, normal motor system with bilateral down going planters, and there were no cerebeller sign. Systemic examination showed no ly...
A 24-year-old man with family history of tuberculosis, in brother, presented with headache, projectile vomiting and unsteadiness of gait of 10 days duration. Physical examination revealed bradycardia, elevated blood pressure, papilloedema and bilateral cerebellar signs with upgoing planters. Computerized tomography (CT) scan of the head (Fig. 1) revealed multiple foci of edema. Magnetic resonan...
This study proposes an approach to develop a simple, time efficient and generic approach to assess and monitor tea plantations in Northeast India using time series remote sensing images. The tea industry in India is in a consolidation phase with the plantations suffering from yield decline and quality. Tea is affected by a plethora of factors including age, environment and management. Therefore...
We present results from a field experiment designed to measure the importance of managerial commitment to a contract within a firm that pays its workers piece rates. In the tree planting industry the piece rate paid to workers is determined as a function of the difficulty of the terrain to be planted. During the experiment, firm managers told a crew of tree planters that the piece rate had yet ...
Rapid, non-destructive, and accurate quantitative determination of the effective components in traditional Chinese medicine (TCM) is required by industries, planters, and regulators. In this study, near-infrared hyperspectral imaging was applied for determining the peimine and peiminine content in Fritillaria thunbergii bulbi under sulfur fumigation. Spectral data were extracted from the hypers...
Two schools of thought exist regarding the planting of bare-root seedlings. One school favors the “pull-up” method where the seedling is pulled-up 3 to 10 cm after placing the roots in the planting hole. Although this action purportedly straightens the taproot, data are lacking to show this extra step actually improves field performance. Pulling the seedling up usually results in the root-colla...
Comparative studies have suggested that the British colonization is more beneficial than those of France and other colonizers. It is argued that the British cultures and institutions contributed to stable politics and robust economic development of its colonies. However, evidence is still inconclusive because a controlled experiment is very difficult in social science. Vanuatu – a Pacific islan...
Since the State Agricultural School in Wageningen opened its doors in 1876, the Netherlands has had a school exclusively dedicated to researching, teaching, and propagating agricultural knowledge deemed important to the Dutch nation. Even though for most of its history the school has remained separate and inferior to Dutch academia – graduates of the school receive the telling title ‘agricultur...
The objective of the study was to evaluate performance a vacuum single-seed planter in field conditions optimize some operating parameters maize production. Three forward speed tractor (4.0, 5.4 and 7.9 km h-1) five target seed spacing (102, 147, 195, 247 309 mm) were evaluated by examining mean spacing, coefficient precision miss index, multiple quality feed sowing depth, deviation from row (i...
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