Effects of mechanical tillage patterns on dry matter and nutrient accumulation of sugarcane

doi:10.14088/j.cnki.issn0439-8114.2022.21.015

Abstract

Abstract: In order to promote efficient sugarcane production, the accumulation and distribution of dry matter, nitrogen, phosphorus and potassium in sugarcane were studied for high-yield cultivation by subsoiling, deep ploughing and rotary tillage. The results showed that, the dry matter accumulation of stake and total dry matter accumulation in two crops were as follows subsoiling>deep ploughing>rotary tillage, and there were significant differences between subsoiling and rotary tillage. The total accumulation of nitrogen, phosphorus and potassium in plant cane under subsoiling increased by 6.41%~16.45%, 6.38%~26.02% and 7.77%~20.92%, respectively compared with other tillage patterns, and increased by 5.23%~19.51%, 6.92%~19.63% and 4.23%~10.40% in the first ratoon, respectively. The total accumulation of nitrogen, phosphorus and potassium in two crops under deep ploughing was higher than that under rotary tillage. There were significant differences in the distribution of dry matter and nutrients in roots. Therefore, the biomass and nutrient uptake of sugarcane under subsoiling were higher.

Key words: sugarcane（Saccharum officinarum L.）, tillage pattern, dry matter, nitrogen, phosphorus, potassium

CLC Number:

S566.1

WEI Jian-feng, ZHANG Ling, WEI Dong-ping, HU Gui-juan, NIE Xuan, WU Xuan-ke, WU Jia-min, ZHAO Xiao-yu, JIA Yong-chao. Effects of mechanical tillage patterns on dry matter and nutrient accumulation of sugarcane[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(21): 86-89.

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