grain yield 中文意思是什麼

grain yield 解釋
銀粒產額
  • grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. Raised bed planting ( rbp ) can get higher grain yield and water use efficiency than flat planting ( fp )

    壟作小麥冠層為波浪狀，有利於提高小麥的籽粒產量和水分利用效率。
  2. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  3. The principal component analysis of influent factor of the grain - yield in rice

    水稻產量影響的主成分分析
  4. Based on the cultivated land fertility, according to grain yield, the planting coverage, the ratio of the grain crops to industrial crops and multiple crop index, the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity

    摘要以耕地地力為基礎，根據糧食單產、種植面積、糧經比和復種指數對河南省糧食產量和耕地資源承載力進行了預測和分析，得出不同人口增長模式下的河南省2010年和2030年耕地資源人口承載力。
  5. The pot experiment was adopted to study the effects of potassium on grain yield and quality of strong gluten wheat

    摘要採用盆栽試驗方法研究了鉀對強筋小麥產量和品質的影響。
  6. Temperature within extremely low and high levels, affected spikelet formation, ripening, and final grain yield

    極低、極高范圍內的溫度影響小穗生成、成熟和最終籽粒產量。
  7. Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains

    四個水稻籽粒產量構成因素為單位面積穗數、小穗數、成熟籽粒百分數和成熟籽粒重量。
  8. Correlation between grain yield and main agronomic traits of upland rice

    旱稻主要農藝性狀與產量相關及通徑分析
  9. For increasing yield per plant, relation of effective ear numbers and ear length should be coordinated ; the direct and indirect effect or relative importance of various characters to grain yield should be made clear for providing scientific evidences to choose and compose parents of two - row hulled malting barley

    為了提高單株產量應注意協調好有效穗數與穗長這一對主要矛盾；明確各性狀對籽粒產量所起的直接和間接作用及其相對重要性，確定主攻方向，配製各種優勢組合，為大麥親本選配提供科學依據，從而達到二棱型啤酒大麥預期的育種目標。
  10. Results showed that by using straw and plastic film dual mulch in dry - cultivation of rice planting, both of the range of temperature difference and the loss of water in dry - cultivated field of rice were decreased, the soil structure was improved, the soil nutrient contents were increased, the ineffective tillers of rice plant were decreased, the growth and development stage were advanced, the filling stage was extended, the grain per ear and 1 000 grain weight were raised, the grain yield of rice increased obviously

    水稻秸稈+地膜二元覆蓋旱作栽培效應的研究結果表明，秸稈+地膜二元覆蓋旱作稻田土壤變溫幅度降低，水分散失減少，結構改善，養分積累增加；水稻無效分蘗減少，生育轉變提前，灌漿結實期延長，穗大粒多，千粒重高，增產效果顯著。
  11. Effects and physiological mechanism of planting densities on photosynthesis characteristics of flag leaf and grain yield in wheat hybrid c6 - 38 py

    1旗葉光合特性和產量的調控效應及其生理機制
  12. For a given rice variety, the crop harvest index, which is calculated by the grain yield divided by total dry matter produced above ground, may vary with crop management practices used

    對于給定的水稻品種，作物收獲指數（由籽粒產量除以地上部分總干物重求得）可能隨作物管理措施不同而變化。
  13. This paper systematically analyzed and studied the impliment effect of the conversion of cropland to forest in chifeng. the results show that it can improve ecology environment, and promote agricultural production structure and its internal farming and animal husbandry structure, and it also improve the quality of farmland and grain yield per unit, transfer of rural surplus labor, increase income of farmers and herdsmen promote the farming and animal husbandry industrdialization and achieve the overall socio - economic development

    本文通過對赤峰市退耕還林（草）工程實施效果分析表明:該項工程在一定程度上改善了生態環境，促進了農業產業結構及其內部種植業結構、畜牧業結構的調整與優化，推動了農牧業產業化經營及社會經濟的整體發展，有利於提高糧食單產、轉移農村剩餘勞動力、增加農牧民經濟收入。
  14. Grain yield was standy black soil > aquent > cinnamon > brown soil > fluvo - aquic soil, and the cv of grain yield and spikes were large, grain number and 1000 - grain weight were standy

    產量表現為砂姜黑土潮土褐土棕壤河潮土，在不同土壤類型間產量和穗數變異較大，粒數和千粒重相對穩定。
  15. Study on the strategies of high grain yield for the direct seeding single late japonica rice in north zhejiang

    浙北地區單季晚粳稻直播栽培的高產途徑研究
  16. As has been demonstrated by the data in tables 1, 3, 5 and 6, the total average yields of two rice crops have reached 15, 482 kg / ha ( 7, 937 kg / ha on early rice and 7, 545 kg / ha on late rice ) at shaoxing and 14, 876 kg / ha ( 5, 943 and 8, 942 kg / ha on early and late rice respectively at fuyang, the yields have touched or almost close to the yield target required for triple cropping of - " project of 15 ton grain yield per hectare " which is carrying out in the province

    表1 、 3 、 5 、 6中數據顯示，兩季水稻總平均產量在紹興已達到15 ， 482公斤/公頃（早稻7939 ，晚稻7545公斤/公頃） ，在富陽已達到14 ， 876公斤/公頃（早稻5943 ，晚稻8942公斤/公頃） ，該產量已達到或接近浙江省推行的噸糧田計劃中三季稻的產量目標。
  17. Income of farm household in major grain producing areas is positively correlated with educational level of farm workers, unit grain yield, seeded area of quality grain varieties, and the investment capacity of farm households, and negatively correlated with work time of farm households

    摘要糧食主產區農戶家庭收入與農戶家庭勞動力受教育水平、糧食單產、優質糧食品種播種面積、農戶家庭投資能力呈正相關，與農戶家庭農業勞動時間呈負相關。
  18. The results showed that yield structure of the middling population treatment were the most excellent as a whole and its grain yield was the highest among the three treatments, while the dynamic of tiller and its formation into panicles, root - bleeding intensity / spikeltes, lai and its structure, dry matter accumulation and transportation were the most reasonable too

    結果表明，中等群體處理的產量結構最優，在三處理中稻穀產量最高，其莖蘗消長與成穗、穎花傷流量、葉面積系數與結構以及干物質積累與轉運總體上最為合理。
  19. Because the time was plentiful, the preserved planting of this pattern was basically about one - season melons and vegetables, the rotation of a grass used for mat in the fields with rice. it led to both cash income and more grain yield and many cases had realized a higher goal

    一糧一經由於季節比較寬松，基本上是設施栽培一季瓜果蔬菜、香菇與水稻及露地栽培席草與水稻年內復種輪作，不僅效益高也兼顧了糧食生產，許多案例都實現了每667米2 「千斤糧，萬元錢」的目標。
  20. The readjustment of agricultural structure has effect on cereal prodution and the farmers " income : 1 ) farming system is readjusted very quickly in the past ten years. the proportion of vegetable value is incerased by 14 percent, fruit by 10. 3 % ; 2 ) the grain production is decreased by 48. 6 % percent from 1987 to 2002. the per capita grain yield is 108 kilogram in 2002. attention to the problem of cereal security is paid once more

    陜縣農業結構調整對糧食生產和農民收入產生明顯影響： 1 ）近lo年（ 1993 ? 2002年）陜縣蔬菜產值占種植業的比重增加了14 ，果品產值比重增加了10 . 3 ； 2 ）農業結構調整使糧食總產量近15年（ 1987 ? 2001 ）減少了48 . 6 ，糧食安全問題再次引起關注； 3 ）農業結構調整有利於增加農民收入；近10年農民家庭經營收入增加了33 。
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