您要查找的是不是:
- Spring maize yield 春玉米产量
- Yield advantage of spring wheat/ spring maize intercropping, however, was apparent with only fertilization, and would be more advantage when maize was mulching at same time. 而小麦/玉米间套作在施氮、玉米不覆膜条件下就有明显的间套作产量优势,在施氮、玉米覆膜条件下间套作产量优势更加显著。
- And Under the same irrigation water use, AFI can not decrease maize yield. 在同等灌水量水平下 ,采用交替隔沟灌溉不降低玉米产量 ;
- The difference increase gradually after 1999, and the declined trend of maize yield is NPK, NP, N, CK. 1999年以后各处理之间差异逐渐增大,产量由高到低依次为NPK,NP,N,CK。
- For example, note the effects of nitrogen (N) and phosphorus (P) on irrigated maize yield in Fig.1. 比如,请注意图1中氮(N)和磷(P)对灌溉玉米产量的影响。
- The phosphorus fertilizer and farmyard manure had the best effects on maize yield in Drab Fluvo-aquic soil. 相关分析表明,在褐潮土上增施磷肥和有机肥对提高玉米产量具有重要的作用。
- Progress in studies on maize yield QTL and the genetic theoretical basis of heterosis by using molecular markers are reviewed. 综述了分子标记在玉米产量QTL和杂种优势遗传基础方面的概况。
- Taking Jiyou No.1 as experimental material, the effects of 8 different sowing-date and 4 harvest-time on maize yield were conducted. 摘要以吉油1号玉米为试材,研究8个不同播期和4个不同收获期对玉米产量的影响。
- Effect of zinc nutrition on endogenous hormone and free radicals in spring maize (Zea Mays L.) were studied by field trial,plant analysis and physiological determination. 摘要 采用田间试验、植株化学分析和生理测定方法 ,研究了锌肥用量对春玉米内源激素与氧自由基代谢的影响。
- Long-term fertilization could increase the P supply amount by SMB-P, there was a significant correlation between P supplying amount by SMB-P with maize yield and P uptake. 玉米生长季内土壤微生物量磷的动态变化呈先上升后下降的趋势,其含量最大值出现在玉米生长中后期;
- Most of the soil in southwest of our country is red soil, the leanness and the phosphorite deficiency act as the key non-biotic stress to confine the maize yield improvement. 在我国西南玉米生态区多数红壤,土壤贫瘠,有效磷严重缺乏,更是限制玉米产量的重要非生物胁迫因素。
- Influence of Water Table on Spring Maize Soil Water and Crop Yield 地下水埋深对春玉米田土壤水分及产量的影响
- The average utilization percent of nitrogen, phosphate and potassium fertilizer of spring maize covered with film on dry land is 38.1, 21.2, 40.3 percent and it is increased by 12.5, 8.3, 5.5 percent, respectively than film -uncovered. 覆膜旱地春玉米氮肥利用率平均38.;1%25;比露地提高12
- The research results are as follows. Potassium fertilizer can significantly increase the amount of N, P2O5 and K2O absorption and accumulated of spring maize on dry land 40,45 and 48 percent, respectively. 施用钾肥显著增加N、P2O5、K2O的吸收累积量,平均分别增长40%25、45%25、48%25;
- The distribution of zinc in the organs of ripening stage spring maize was not the same: kernels > stem and leaves > roots and the zinc content in the middle was higher than that in the upper and lower part of corn ear. 成熟期春玉米植株中锌的分布不同;即籽粒>茎、叶>根;而玉米果穗中部籽粒的锌含量明显高于上下两端.
- Through the synthesis analysis of the field,spike characters and leaves nutrient content of N,P and K in maize,the treatment of N2K2 was the best and its maize yield was at 11 183.3 kg/hm2 while soil P content was at 35.3 mg/kg. 综合玉米产量、穗部性状、叶片以及土壤氮磷钾养分含量分析;在土壤含磷量为35.;3 mg/kg时;以N2K2配施效果最好;玉米产量高达11 183
- The different types of spring maize were used in this study.The effect of nitrogen dosage on starch content and key enzyme activity in composing starch in kernels of spring maize was studied. 摘要以不同品种春玉米为试验材料,研究氮肥施用量对春玉米子粒淀粉含量及淀粉合成关键酶活性的影响。
- He P,Jin J Y.Effect of N and K nutrition on changes of endogenous hormone and metabolism of active oxygen during leaf senescence in spring maize[J].Plant Nutr.Fert.Sci.,1999,5(4):289-296. [9]何萍;金继运.;氮钾营养对春玉米叶片衰老过程中激素变化与活性氧代谢的影响[J]
- Influence of varieties on seed yield and quality of spring maize 不同类型品种对春玉米产量、品质的影响
- The maize yields of various treatments and factors are given in Table 5 and Table 6. 表5和表6给出各处理的玉米产量和产量因子。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries