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- The Prediction Model of the Total Grain Yield Based on GMDH Method 基于GMDH方法的粮食总产量预测模型和分析
- total grain yield 粮食总产量
- Their total grain output still exceeded that of the previous year. 他们的粮食总产量仍超过头一年。
- Grain yield is heavily influenced by the architecture of the inflorescence. 花序的构型严重影响谷粒生产量。
- Raised bed planting (RBP) can get higher grain yield and water use efficiency than flat planting (FP). 垄作小麦冠层为波浪状,有利于提高小麦的籽粒产量和水分利用效率。
- Total grain output in 1995 more than quadrupled the 1949 figure, or an average increase of 3.1 percent a year. 1995年与1949年相比,粮食总产量增长了3倍多,年均递增3.;1%25。
- Temperature within extremely low and high levels, affected spikelet formation, ripening, and final grain yield. 极低、极高范围内的温度影响小穗生成、成熟和最终籽粒产量。
- In 1998,the total grain output of the Tibet Autonomous Region stood at 850,000 tons,or 5.6 times the 1959 figure. 1998年,西藏全区粮食总产量达85万吨,比1959年增长4.;6倍。
- Counting the autumn crop of maise,their total grain output still exceeded that of the previous year. 把秋季玉米收成算进去,他们的粮食总产量仍然超过头一年。
- In 1952 the average grain yield per mu (one ha equals 15 mu) was 80 kg and there were only 125 kg of grain per person. 1952年,西藏每亩(15亩合1公顷)粮食产量平均只有80公斤,人均占有粮食仅125公斤。
- Total grain output in 1995 more than quadrupled the 1949 figure,or an average increase of 3.1 percent a year. 1995年与1949年相比,粮食总产量增长了3倍多,年均递增3.;1%25。
- Under high phosphorus conditions, however, the grain yield of the Andean genotypes was lower than that of the Mesoamerican genotypes. 然而,在高磷条件下,安第斯基因型的种子产量显著低于中美基因型。
- The increasing in grain yield was about 10.3%, 8.9%, 23.2%respectively as compared with the plastic film mulch, the straw mulch and the unmulched cultivatiom. 稻谷产量较地膜覆盖、秸秆覆盖、露地旱作栽培分别增产10.;3%25;8
- Counting the autumn crop of maize, their total grain output will still exceed that of the previous year. 把秋季玉米收成算进去,他们的粮食总产量仍然超过头一年。
- Counting the autumn crop of maise, their total grain output still exceeded that of the previous year. 把秋季玉米收成算进去,他们的粮食总产量仍然超过头一年。
- Correlation of maize root number,LAI and grain yield at anthesis stage is significant. 开花期玉米根系数量和最大叶面积指数(LAI)与产量都达极显著正相关;
- Total grain output rose from 180 million kg in 1959 to 315 million kg in 1966, registering an average growth rate of 8.3 percent a year. 1966年,粮食总产量就由1959年的1.;8亿公斤增加到3
- MNPK and NPK promoted wheat growth and development and head length formation, then raised wheat grain yield. 有机肥配施化学肥料(MNPK)或NPK配施,有利于小麦获得较高产量。
- They have gathered high grain yields for five years in a row. 他们连续5年获得粮食高产。
- Cantrell R G,Geadelmann J L.Contribution of husk leaves to maize grain yield[J].Crop Sei. 霍仕平;许明陆;晏庆九等.;玉米果穗苞叶性状的遗传分析