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The following is virtually the author's summary. Studies were carried out in 1958-62 on some of the factors that affect the formation of bands of hopp...
Read moreMechanisms responsible for the success or failure of agricultural diversification are often unknown. Most studies of arthropod pest management focus o...
Read moreTop-down regulation of ecosystems by large herbivores is a topic of active debate between scientists and managers, and a prime example is the interact...
Read moreSavannas throughout the world are characterized by spatial gradients of resources created by scattered overstorey trees. These gradients are important...
Read moreData from a 645-taxa Philippines-wide food web and from multiple regression models were used to predict population fluctuations of insect pests in a r...
Read moreThe desert locust is a migratory pest whose population development in remote areas must be monitored to prevent outbreaks, upsurges and plagues. Monit...
Read moreWet and dry bulb temperatures and run of wind were measured over irrigated Gossypium herbaceum cv. BAR XL 1 at various heights and distances from the ...
Read moreLand clearing for irrigated agriculture in the Sudan clay plains is urgently needed because the Roseires Dam is to be completed in 1967. Two different...
Read moreThe influence of annual and seasonal (summer vs. winter) rainfall variability and of different seasons and systems of sheep grazing, including complet...
Read moreAnimal pollination is important for more than 75% of agricultural crops, including coffee, whose productivity can increase with adequate pollination. ...
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