论文部分内容阅读
(一)水稻是我县的主要粮食作物,种植面积四十万亩。占粮谷作物面积的百分之六十多。但由于杂草的危害,稻谷产量不高。一直在七百斤左右徘徊,据估计,全县因杂草危害,水稻平均减产就达二成左右,约有四千八百万斤稻谷被杂草吃掉。事实说明,杂草是我县水稻生产的大敌,是产量不高的重要因素。因此,战胜杂草是促进水稻低产变高产的重要措施,是实现高产稳产的基本保证。当前,我县水稻危害性极强的杂草
(I) Rice is the main grain crop in our county with an area of 400,000 mu. Accounting for more than 60% of the grain crop area. However, due to the damage of weeds, the output of paddy is not high. Has been hovering around seven hundred pounds, it is estimated that the county due to weed damage, the average yield of rice reached about two percent, about 48 million pounds of rice eaten by weeds. Facts show that weeds are the enemy of rice production in our county, is an important factor in the production is not high. Therefore, the victory over weeds is an important measure to promote low-yielding and high-yielding rice and is the basic guarantee to achieve high and stable yield. At present, my county rice extremely harmful weeds