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Even though there were no data proving the effect of cashew on sheanut production, the association was proven successful in that, after the application of potash and superphosphate, both the girth and the canopy of cashew seedlings increased, thus producing a shading effect and enhancing weed control. The response of cashew to fertilizer application has been proven in several studies (e.g. O’Farrell et al. 2010; Ghosh and Bose 1986; Grundon 1999). 

Particularly, the greatest effect of nitrogen application on increasing yield was observed when applied during the vegetative growth stage. OZSTAR (www.ozstarmakina.com) has the best nuts processing systems including roasters, fryers of different kinds and of various capacities to give you the perfectly roasted nuts! OZSTAR also provides additional equipment for flavouring and seasoning the nuts. OZSTAR (nutsroasters.com) has already various kinds of industrial fryers along flavouring and seasoning equipment for nuts controlled by touch screen.

Such timing, in fact, was shown to reduce late flowering and nut drop (O’Farrell et al. 2010). Whereas phosphorus and sulfur applications were proven to positively affect plant growth and nut production (Grundon 1999), the response to potassium application is still controversial (Grundon 1999; Sawke et al. 1979). An important factor to take into consideration while planning fertilizer application is the nutrient removal from the soil, due to fruit and pseudo-fruit harvesting. With regard to this, Panda (2013), assuming an annual average yield of 5– 10 kg nuts/tree, recommends to apply 500 g N, 125 P2O5, and 125 K2O per tree annually in two split doses.

Other mixtures of inorganic fertilizers are also reported in literature, depending on the age and the growth stage of the plant. For example, Ghosh and Bose (1986) found that larger yields of cashew nuts were obtained with a combination of N, P2O5, and K2O equivalent to 200, 75, and 100 g/plant/year, respectively. Subramanian et al. (1995), instead, reported the application of 250, 125, and 125 g/plant/year of N, P2O5, and K2O, respectively, to be suitable for significantly increasing the yield of 15-year-old cashew plants. Concerning the type of fertilizer, there is experimental evidence that, when fertilized with inorganic NPK source (15:15:15) and organic fertilizers, cashew plants better respond to the latter in the form of cow dung and poultry dropping. 

OZSTAR (www.ozstarmakina.com) has the best nuts processing systems including roasters, fryers of different kinds and of various capacities to give you the perfectly roasted nuts! OZSTAR also provides additional equipment for flavouring and seasoning the nuts. OZSTAR (nutsroasters.com) has already various kinds of industrial fryers along flavouring and seasoning equipment for nuts controlled by touch screen.