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1958年夏秋兩季的大丰收,密植是主导因素之一。为了爭取1959年更大的丰收,小麦的播种量已普遍提高到每亩30斤左右,在試驗田中所采用的播种量更是多种多样的,有的高至千斤以上。到底最适播种量是多少?它和农業技术水平的关系怎样?今后不断提高小麦产量的有效途徑是大量增加播种量,还是在适当密植的基础上設法增加有效分蘖数、每穗粒数和粒重?小麦植株在不同的密植条件下形态上和生理上发生了那些变化?这些变化和产量的关系怎样?这些是大家关心的、迫切需要解决的问題。我們在河南西平与农民在一起进行了播种量試驗,对小麦苗期的生育狀态作了观测,并在河南郾
The harvest of the summer and autumn of 1958, dense planting is one of the leading factors. In order to win a larger harvest in 1959, the sown area of wheat has generally risen to about 30 kg per mu. The sown area used in the experimental field is even more varied, with some as high as 1000 kg. What is the optimal sowing quantity and how is it related to the level of agricultural technology? The effective way to continuously improve the yield of wheat in the future is to increase the sowing quantity a lot or to increase the number of effective tillers, Grain weight? Wheat plants morphologically and physiologically under different conditions close to those changes? What is the relationship between these changes and yield? These are issues of concern and urgent need to be addressed. We carried out seeding experiments with farmers in Xiping, Henan Province, and observed the fertility status of wheat seedling and found that in Henan Province,