Effects of different ratios of N,p,K and MG on growth and nutrient absorption of Dangshan county pear
This study was conducted to investigate the effects of different ratios of N,P,K and Mg on the growth and nutrient absorption of Dangshan County pear.The results showed that the plant height,branch number,leaf area,flower bud formation rate,fruit development and fruit quality were significantly affected by different ratios under the same content of N,P,K and Mg The root length,dry weight,total sugar content,acidity,water content of fruit juice and fruit quality were significantly different in different proportion The contents of organic matter and mineral elements in soil also changed obviously with different ratios.Under the ratio of 1:2:1 of N,P,K and Mg,Su Pear had the highest plant height and the highest yield,while under the ratio of 2:3:1 of N,P,K and Mg,Su Pear had the lowest plant height and the highest yield When the ratio of N,P,K and Mg was 1:4:0,the plant height of su pear was the smallest,but the fruit quality was the best.Therefore,it is suggested that the optimum ratio of N,P,K and Mg should be selected according to the local climate and fertilizer supply in order to improve the economic benefit of su pears in Dangshan County.
N,P,K,Mgoptimization of ratioDangshan county crisp pear
NETL
NSTL
万方数据
