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播种期
    Studies on Regulating Sowing Time of Wheat under the Warm Winter Conditions
    暖冬气候条件下调整小麦播种期的研究
    Analysis on Water Requirement Regulation of Brazilian Up-Land Rice IAPAR9 in Sowing Time
    巴西陆稻IAPAR9播种期需水规律分析
    Trial on Sowing Time of Spice Tobacco, BS1 in Nujiang-ba
    潞江坝香料烟BS1播种期试验
    Effects of Different Sowing Time and Density on Yield of Qianyou 301, a New Hybrid Rice Variety
    杂交稻黔优301不同播种期和密度的栽培试验
    According to the climate of HenanProvince the suitable sowing time is from April 5 to April 15 5—-10 daysearlie-r than usual.
    综合考虑以上因素,结合我省气侯特点,提出棉花地膜覆盖适宜播种期范围为4月5日—15日,一般比露地直播提早5—10天播种为宜。
    In this paper,the effects of sowing time (x1),density (x2)and nitrogenous fertilizer (x3) on yield of wheat Wanmai 23 (8704) were studied by applying perpendicularity and rotational regression design with three factors and five levels.
    本文应用二次回归正交旋转组合设计方法,研究皖麦23号(8704)的主要栽培因子播种期(x1)、基本苗(x2)及施氮量(x3)与亩产量(y)的关系;
    The yields in 81 treatments all are over 6 750kg/hm2. In the 95%'s confidence interval, the optimized agronomical practices are as follows:the sowing time is 30 Oct. ̄4 Nov.; the cultivar is Yangmai No.
    大于6750kg/hm2产量的组合共有81个,并以95%水平的置信区间,得到优化的农艺技术措施是:播种期10月30日至11月4日;
    The highest yield, as much as 796.8kg/hm 2, was obtained when the total fertilization was 19.02 kmol/hm 2, and the sowing time was June 10.
    以此比例的不同总施肥水平与分期播种两两正交,试验产量经非线性多元回归分析得知,总施肥水平与播种期在交互作用,当总施肥量x1=1.6926倍于11.235kmol/hm2,同时在6月10日播种的情况下,能获得芝麻的最高产量796.8kg/hm2。
    The effect of sowing time(x 1),planting density(x 2),barnyard manure(x 3)and N rate applied(x 4) on yield and its components of wheat was studied.
    研究了播种期(x1),基本苗数(x2),农家肥用量(x3)和氮肥用量(x4)对小麦产量及其构成因素的影响。
    The paper analyzes the fertility performance of P,F1 ,F2,B1 and F3 groups in normal sowing time in Wuhan with the index of the rate of natural fruit,eye anther,by the hybridization of the ecological nuclear sterile male barley 9209 and fertility barley strain "Bow325wi229/Mi2269".
    用生态核不育大麦选系9209与可育大麦品系Bow325wi229/Mi2269杂交,以自然结实率、目测花药等指标分析了P、F1、F2、B1及F3代群体在武汉正常播种期(10月20日)条件下的育性表现.
 

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