资源描述:
《影响花生产量的气象学因素及对策》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、http://www.fcrhjc.cn/http://www.ylqzjpj.com/http://www.tongfageo.com/http://www.tsjggl.com/影响花生产量的气象学因素及对策花生是我国主要的油料经济作物之一,山东省是花生生产大省,年总产300万t,占全国的1/4;667m2均产量250kg,比全国高近50kg;出口量占全国的70%以上。全省常年种植面积86.67万hm2,仅次于河南省。山东省新泰市是我省花生重点生产地区,又是当地重要的农业经济作物,本文在田间农业气象试验研究的基
2、础之上,对影响花生生育期的气象因子进行了分析,阐述了天气—花生间的关系,并对提高花生产量,更好地开展农业气象服务,防灾减灾,促进农业高质高产提出相应气象服务对策。Peanutisoneofthemainoilcropsinourcountry,inshandongprovinceisthelargestpeanutproduction,annualoutputof3milliont,makeupaboutaquarterofthecountry;667m2production250kg,higherthanthen
3、ationalnearly50kg;Morethan70%oftheexportsofthecountry.Theprovinceperennialplantareaof866700hm2,secondonlytothehenanprovince.Inxintaicityinshandongprovinceisthekeyproductionofpeanutinourregion,itisimportanttothelocalagriculturaleconomycrops,thispaperonthebasiso
4、ffieldexperimentofagrometeorologicalresearchandmeteorologicalfactorsofaffectingpeanutgrowthperiodwasanalyzed,andexpoundstherelationshipbetweenweather-peanuts,andtoimprovethepeanutproduction,bettercarryouttheagriculturemeteorologicalservices,disasterpreventiona
5、ndmitigation,promotingagriculturalhighqualityhighyield,putforwardcorrespondingcountermeasuresofmeteorologicalservice.1花生各生长期的所需的基本气象条件1peanutrequiredateachstage,thebasicmeteorologicalconditions1.1热量条件花生原产于热带丘陵山区的河谷地带,是一种喜温、较耐旱、怕涝的一年生豆科作物。生长季节要求平均气温20.0℃以上,但因品种
6、不同对热量条件的要求也不完全一致[1]。一般晚熟花生要求温度较高,全生育期需积温3300.0~3600.0℃,生育期150~180d;中熟种需积温2850.0~3100.0℃,生育期130~160d;早熟种需积温2700.0~3000.0℃,生育期130d以下。1.1peanutisnativetothetropicalheatconditionhillymountainrivervalley,isakindofthermophilic,drought-tolerant,afraidofwaterloggingan
7、nualleguminouscrops.Growingseasonrequiresmorethantheaveragetemperatureof20.0℃,butbecauseofthevarietyofheatconditionrequirementsisnotentirelyconsistent[1].Generallylatepeanuthightemperaturerequired,shouldbeinthewholestages3300.0~3600.0℃accumulatedtemperature,gr
8、owthperiodof150~180d;Cookedin850.0and850.0needtoaccumulatedtemperatureof2~3℃,thegrowthperiodof130~160d;Precociousspeciesneed2700.0~3000.0℃accumulatedtemperature,growthperiodunder13