Agro-industry production of sugarcane grown using subsurface drip fertigation with nitrogen and potassium

被引：0
|
作者：
do Nascimento, Fabio Nunes [1 ]
de Andrade Junior, Aderson Soares [2 ]
Bastos, Edson Alves [2 ]
Ribeiro, Valdenir Queiroz [2 ]
Lopes, Alzeneide da Silva [3 ]
机构：
[1] Inst Fed Educ Ciencia & Tecnol Piaul, Campus Valenca,Ave Joaquim Manoel S-N, BR-64300000 Valenca Do Piaui, PI, Brazil
[2] Embrapa Meio Norte, Ave Duque de Caxias 5-650, BR-64006220 Teresina, PI, Brazil
[3] Univ Fed Vale Sao Francisco, Ave Jose de Sa Manicoba S-N,Campus Univ Juazeiro, BR-56304917 Juazeiro, BA, Brazil
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 2018年 / 53卷 / 12期
关键词：
Saccharum officinarum; alcohol production; fertilizer; irrigation management; sugarcane juice; TECHNOLOGICAL QUALITY; YIELD; VARIETIES; IRRIGATION;
D O I：
10.1590/S0100-204X2018001200007
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The objective of this work was to evaluate the stalk yield, technological quality parameters, and sugar and alcohol productions in the first sugarcane (Saccharum officinarum) crop cycle, according to the response to N and K2O applications by subsurface drip fertigation. The experiment was carried out in a dystrophic Ultisol, in a randomized complete block design with four replicates. The treatments consisted of a 2(X) + 2X + 1 incomplete factorial arrangement with the application of 60, 80, 120, 160, and 180 kg ha(-1) N and 60, 80, 120, 160, and 180 kg ha(-1) K2O. The maximum estimated yield (217.5 Mg ha(-1)) was obtained with the application of 180 kg ha(-1) N and 60 kg ha(-1) K2O. Sugar and alcohol productions increased with N application above 120 kg ha(-1). The technological quality characteristics of soluble solids content, apparent sucrose in the juice/broth, apparent sucrose in sugarcane, purity, and fiber show the highest averages with the application of 180 kg ha(-1) N and 60 kg ha(-1) K2O.
引用
收藏
页码：1346 / 1354
页数：9
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