Abstract
Fruit production and quality of guava as a function of biofertilizer and nitrogen fertigation in semiarid
Highlights
São Francisco Valley is the main Brazilian region of growing irrigated fruits, especially mango, grape, guava, coconut and acerola (IBGE, 2016)
Among the fruit crops grown in São Francisco Valley, guava detaches with production of nearly 106.3056 t, corresponding to 32% of all guava produced in Brazil (IBGE, 2016)
One of the nutrients applied through fertigation is nitrogen (N) which is the second nutrient more required by guava tree and it is essential for plant growth and development, as an essential constituent of amino acids, enzymes, nucleic acids, and chlorophyll (Marschner, 2012)
Summary
São Francisco Valley is the main Brazilian region of growing irrigated fruits, especially mango, grape, guava, coconut and acerola (IBGE, 2016). Among the fruit crops grown in São Francisco Valley, guava detaches with production of nearly 106.3056 t, corresponding to 32% of all guava produced in Brazil (IBGE, 2016). Fertigation is a commonly used for growing guavas in São Francisco Valley, due to it’s a proven tool efficiency for uniform and balanced nutrient distribution since it provides water and nutrient availability in the higher root activity area of plant canopy, especially if a localized irrigation is used (Chavez and Torres, 2012). Biofertilizer has positive effect soil physical and chemical characteristics (Pires et al, 2008) and on plant growth and development, and, fruit production and quality (Gross et al, 2008).
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