Respuesta del cultivo de arroz Oriza sativa L. a cuatro niveles de termofosfato con tres niveles de notrógeno

Abstract:

This research was conducted May (2016) to October (2016) in the enclosure Jigual, Santa Lucia canton, Guayas province, located in the coordinates S 1 42'54.54 "W 79 ° 59'8.53" and a17 m, the objective was to evaluate the response of rice to four levels of thermophosphate with three levels of nitrogen to improve production in the Jigual enclosure canton Santa Lucia, blocks design was used completely randomized factorial (4 x 3) , data were collected on the following variables: days to flowering, plant height (cm), panicle number, panicle length (cm), number of grains per panicle, vegetative cycle (days), weight of thousand seeds (g), yields (kg / ha), and economic analysis. According to the results, it concludes that: Treatments that promoted the beginning of flowering and vegetative cycle earlier with an average of 98 and 128 days were respectively treatment 2 (thermophosphate 40 kg / ha without nitrogen) and treatment 6 (thermophosphate 40 kg / ha more nitrogen 40 kg / ha), treatment 6 thermophosphate (40 kg / ha) more nitrogen (40 kg / ha) promoted greater plant height with an average of 107cm and higher performance with averaging 8218.75 kg / ha, treatment 10 thermophosphate in doses of 40 kg / ha more nitrogen in doses of 80 kg / ha he produced the greatest number of panicles with an average of 33 panicles, treatment 11 thermophosphate (80 kg / ha) plus nitrogen (80 kg / ha) generated most panicle length with an average of 27 cm and the largest number of grains per panicle with an average of 184 grains / panicles, treatments 1 (control), treatment 9 ( nitrogen 80 kg / ha without thermophosphate), treatment-10 (thermophosphate 40 kg / ha more nitrogen 80 kg / ha) treatment 11 (thermophosphate 80 kg / ha more nitrogen 80 kg / ha) and treatment 12 (thermophosphate 120 kg / ha more 80 kg nitrogen / ha) showed the highest weight of thousand seeds with an average of 30 g. According to the results of the economic analysis projected for one hectare of rice crop, the cost of production per hectare was higher than treatment 6 (thermophosphate 40 kg / ha plus nitrogen 40 kg / ha) with 1620

Año de publicación:

2017

Keywords:

• TERMOFOSFATO
• NUTRICIÒN
• FERTILIZANTE EDAFICA
• Rendimiento
• CULTIVO DE ARROZ
• NITROGENADO

Fuente:

rraae