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通过不同肥料在梨树上同地块示范比较试验,综合比较肥料投入成本,水果产量、经济效益等指标,为确定施肥方法及数量、验证土壤和果树叶片养分测试指标等提供依据,X的研究成果也将为进一步修正和完善优化施肥技术提供参考,最终形成新的测土配方施肥(集成优化施肥)技术,有利于在田间大面积应用、示范推广。本试验表明,优化施肥设计用量纯N11~15kg/亩、P2O55.5~6.5 kg/亩、K2O11~16 kg/亩,加施纯硼1kg/亩,生长期可结合防病虫喷施钙镁锌硼等中微量元素肥料。这样能保证梨树生产丰产性好,还能使各项性状指标达标。初步认为,梨树施肥以秋季施肥最为重要,占全年施肥量的60%以上,以有机肥和N、P、K全要素肥为主,K2O以硫酸钾为佳。萌芽肥以速效性N肥为主,果实膨大期以N肥配合P、K肥。
Through the comparison of plots of plots with different fertilizers on pear trees, this paper provides a comprehensive comparison of fertilizer input costs, fruit yield, economic benefits and other indicators to provide basis for determining fertilization methods and quantity, validating soil and fruit leaf nutrient test indicators, etc. X The results will also provide reference for further revision and improvement of fertilization technology, and finally form a new technology of soil testing and fertilizer (integrated fertilization), which is beneficial to large area application and demonstration in the field. The experiment shows that the optimized design dosage of pure N11 ~ 15kg / mu, P2O55.5 ~ 6.5kg / mu, K2O11 ~ 16kg / mu, plus pure boron 1kg / mu, Zinc and boron in trace elements such as fertilizer. This will ensure that pear trees produce high yield, but also to make the traits of indicators of compliance. Preliminary believe that pear fertilization to fall fertilizer the most important, accounting for more than 60% of the annual amount of fertilizer, organic fertilizer and N, P, K all-purpose fertilizer, K2O to potassium sulfate is better. N budding fertilizer mainly to quick-acting, fruit enlargement to N fertilizer with P, K fertilizer.