Pruning trees

Table 2 represents a summary of the design of the chlorpyrifos re-entry studies. Five sites (three in California, one in Arizona, and one in Florida) were selected. The California orange harvesting and lemon tree pruning represented high crop re-entry activities, while the Florida tomato and... 

Left, from top) Caring for fruit Seep hose laid around strawberries mulohing around newly planted fruit trees pruning to oreate an open-centered gooseberry bush a simple beer trap protecting ripening fruits from wasps. 

Martinez Nieto, L., D. Morales Villena, and J. M. Jimenez Castillo. Mannitol extraction from olive tree pruning residues. Study of some physicochemical properties of the aqueous extract. Afinidad 1978 35 487-489. Viviers, P. M., D. Ferreira, and D. G. Roux. (+)-Africanal, a new lignan of aryltetrahydronaphthalene class. Tetrahedron Lett 1979 1979 3773—3776. Tomas, F., and F. Ferrers. Flavonoids of Olea europaea. An Quim Ser C 1980 76 292-293. 

On trees, prune out the dead wood and the water sprouts. Avoid drought stress by watering trees during dry spells and keeping the root zone mulched. Gather up and destroy infected leaves. A dormant spray of bordeaux mix may provide some control. 

In fruit trees, prune infested wood to control flatheaded borers. 

Shigo, Alex L. Tree Pruning A Worldwide Photo Guide. Durham, N.H. Shigo Trees Assoc., 1989. (Available from Shigo Trees Assoc., 4 Denbow Rd., Durham, NH 03824.)... 

A Complete List of the Tree-pruning Devices Used in the Program... 

The most important nonmilitary application is synthesis of maleic hydraz-ide, which is used as a plant-growth regulator for tobacco suckering and tree pruning. Another important nonmilitary chemical is semicarbazide which is obtained by reacting hydrazine with urea ... 

Biosorption is an efficient and economical method that can be used for the removal of heavy metals from wastewaters. The majority of recent biosorption smdies were conducted with low-cost agricultural waste such as sunflower stalks [14,15], orange peel [16], coconut cash [17,18], ohve stone [19, 20], steel-making slag [21], tree fern [22], olive tree pruning [23], rice husk [24], peanut hull pellets [25], and grape stalk [26,27], and all of them have been identified as potential biosorbents for heavy metal removal. 

Blazquez G, Martm-Lara MA, Tenorio G, Calero M. Batch biosorption of lead (II) from aqueous solutions by olive tree pruning waste equilibrium, kinetics and tbermodynamic study. Chem Eng J 2011 168 170-177. 

Requejo, A., Feria, M.J., Vargas, F., Rodriguez, A., 2011. Total use of olive tree prunings by means of hydrothermal and combustion processes. BioResources 7 (1), 0118-0134. 

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