夏直播覆膜花生减粒增穴的研究

STUDIES ON THE EFFECT OF HOLE INCREASE WITH SEED DECREASE ON SUMMER SOWING PEANUT (ARACHIS HYPOGAEA L. )UNDER PLASTIC-FILM-COVERED CULTIVATION

经3年试验,对夏直播甚至春播覆膜花生现行密度进行减粒增穴单株密植,增产极显著,达18.6％及25.6％。费县夏直播大田示范,亩约16000穴(株)生育期111天,在应用AnM栽培法并施入表土50kg复合化肥基础上,2年有250亩平均单产402.6kg。

The experiments of peanut(Arachis hypogaea L.)under plastic-film-covered cultivation were carried out from 1989 to 1991.The results demonstrated that the pod yields of summer sowing and spring sowing peanut were high-significantly increased by 18.6% and 25.6% respectively as a consequence of incerasing popularized plant density by hole incerase with seed decrease, i. e. transforming two plants into one plant per hole.From 1990 to 1991, in Feixian, there was 250 mu of summer sowing peanut whose pod yield reached 402.6kg per mu with the growth period of 111 days and plant density of about 16,000 holes(plants) per mu,on the basis of usihg AnM cultivation technique and applying 50kg compound fertilizer per mu to the fruiting zone.