论文部分内容阅读
一、前言沧县是河北省的一个新稻区,在党的变旱田为水田,扩大水稻种植面积增产粮食的号召下,1958年计划扩种水稻105万亩,占全县耕地面积54%,如果按照一亩秧田能栽种20亩本田计算,需育秧田5万多亩。原计划全部秧田采用水育苗法,于四月上旬到5月上旬完成播种工作;但播种期已到,用水问题未能解决,更加早春气温低,水育苗易遭受烂秧
I. Introduction Cangxian County is a new paddy rice crop in Hebei Province. Under the call of the party’s dry paddy fields to paddy fields and the expansion of rice acreage to increase grain production, it plans to expand the area of paddy rice by 1.05 million mu in 1958, accounting for 54% of the total cultivated area of the entire county. If you planted 20 acres of Honda according to an acre of seedling field calculation, need to raise more than 50,000 acres of seedling. The original plan all water seedling seedling method, in early April to early May to complete the sowing work; but the sowing period has been to solve the water problem, more early spring low temperature, water-resistant seedlings susceptible to rotten seedlings