The optimum yield and quality properties of sugar cane under different organic, nitrogen and potassium fertilizers levels [electronic resource].

Includes references.

The Egyptian sugarcane grower is usually adding farmyard manure during the land preparation. The present studies were conducted at Malawi agri. Res. Station, Minia governorate, Egypt, during 2007/2008 and 2008/2009 seasons to study the effect of different levels of potassium, nitrogen and farmyard manure fertilizers on yield and quality characteristics of sugar cane.Two of potassium treatments (zero application and 48 kg K20/fed), three nitrogen levels (160, 200, 240 kg/fed.), and three farmyard manure levels (10, 15 and 20 m3 /fed) were studied. Data recorded pointed out that potassium, nitrogen and farmyard manure (organic) fertilizers levels exhibited a significant effects on millable cane and recoverable sugar yields (ton/fed) as well as N and K concentrations in TVD plant tissues in the two growing seasons. K-fertilizer levels had a significant effects on quality characteristics, Le. TSS%, purity%, pol % and sugar recovery % in the 1sl season only. However, N-fertilizer levels had a significant effects on these quality characteristics, in the 2nd season only. While, farmyard manure levels exhibited a significant effects on quality measurements in terms of TSS%, purityO,Io, pol % and sugar recovery % in the two growing seasons. Therefore, applying 48 kgK2O/fed, 200 kg N/fed and 20 m3 /fed of farmyard manure is preferable because it gave the highest values of millable cane yield (59.05 and 51.21 ton/fed)and recoverable sugar yield (7.97 and 6.76 ton/fed) in the two growing seasons, respectively. Key words: K2O level, nitrogen, farmyard manure, sugar recovery%and pol, %

Summary in Arabic.

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