干旱地区农业研究2016，Vol.34Issue(5)：158-165,8.DOI:10.7606/j.issn.1000-7601.2016.05.24
不同施肥技术对不同生态区苹果产量及品质的影响
Effects of different fertilizations on yield and fruit quality of Fuji apple in different ecological regions
摘要
Abstract
In order to ascertain the similarities and differences in effects of fertigation on apple production in or -chards of diffrent ecological regions ,two field experiments with six treatments were selected for orchard in different eco -logical regions .NPK tradition ,NPK fertigation ,1/2NPK fertigation ,PK ,NK and NP were used to explore the effects of fertigation on apple production ,quality and fruit nutrient absorption .The results showed that due to the differences in e-cological conditions ,soil types and fertility levels of orchards in different ecological regions ,the fertigation effects on ap-ple production were obviously distinct .In the Weibei dry-land ,compared to NPK (traditional fertilization) ,the yield by NPK fertigation treatment was 41 .14 t·hm - 2 ,increased by 7 .7% ,and the net income was increased by 11 .3 thousand yuan per hectare .Sugar acid ratio was increased by 15 .1% ,the N ,P and K uptakes of fruit were increased by 35 .9% , 74 .4% and 43 .9% ,respectively .However ,no significant increases were noted in apple yield ,fruitquality and fruit nu-trient uptake under 1/2NPK (W) treatment in Weibei Dry-land .In the Guanzhong plain ,compared with traditional NPK fertilization ,the yield of 1/2NPK fertigation treatment was 78 .5 t·hm - 2 ,increased by 11 .01% ,and the net income was increased by 52 .4 thousand yuan per hectare .The N ,P and K uptakes of fruit were increased by 42 .1% ,97 .7%and 59 .1% ,respectively .However ,NPK fertigation merely increased the yield by 2 .48% ,and nutrient uptake of fruit was not significantly increased .In conclusion ,fertigation management significantly increased yield and fruit quality of ap -ple orchards in different ecological regions in Shaanxi Province .However ,the effectiveness of fertigation management dif-fered apparently due to differences in ecological conditions in different regions .Therefore ,the use of optimal fertilizer ap-plication rates in fertigation management was strongly recommended .The specific conditions of orchards formed the basis of optimal fertilizer application rates for high yields ,fruit qualities ,fertilizer use efficiencies and economic benefits .关键词
苹果/施肥技术/产量/品质/水肥一体化Key words
apple/fertilizer application technology/quality/yield/soil fertility/integration of water and fertilizer分类
农业科技引用本文复制引用
赵佐平,段敏,同延安..不同施肥技术对不同生态区苹果产量及品质的影响[J].干旱地区农业研究,2016,34(5):158-165,8.基金项目
国家公益性行业（农业）科研专项（201203045）；农业部农业环境重点实验室开放基金（NO ．201501）；陕西省2011协同创新中心项目（QBXT － Z（P）－15－5） （）
