This paper summarized the survey, collection, storage, research and utilization of forage germplasm resource; its current status, existing problems and suggestions about subsequent progress were discussed, including superior and rare germplasm collection, forage genetic diversity research, biotechnology utilization in forage germplasm innovation, duration of germplasm storage, natural evolution speed, storage techniques of short-life seeds, super gene exploration and function, biological base of species and population conservation.

為此，論述了我國(guó)牧草種質(zhì)資源調(diào)查、收集、保存91极品福利精品国产、研究和利用的現(xiàn)狀，存在問題及對(duì)今后發(fā)展的建議又粗又长又黄的免费视频，提出今后應(yīng)加強(qiáng)優(yōu)良和珍稀牧草種質(zhì)的搜集黄黄的在线网站、生態(tài)型及遺傳多樣性的研究和利用、生物技術(shù)在優(yōu)良牧草種質(zhì)創(chuàng)新的應(yīng)用最新在线精品国自产拍三级片、種質(zhì)保存的時(shí)效性和野生狀態(tài)下牧草遺傳變異與進(jìn)化的速率18岁免费看黄片、短壽命牧草種子保存技術(shù)、優(yōu)良基因的發(fā)掘和功能研究以及利用平臺(tái)的構(gòu)建国产精品欧美亚洲韩国日本不卡、物種或種群保護(hù)的生物學(xué)基礎(chǔ)研究7個(gè)重點(diǎn)領(lǐng)域的研究情欲视频,欧美一级在线观看。

It is an application course that is to study the resource status and growth of forage crop, the relation between entironment and cultivation condition, the biology characteristic and the application importance of bird's-foot, gramineous grass, otherfeed species and variety, and fertility technology including soil tilth, cultivation technique, planting method and so on.

本學(xué)科內(nèi)容是研究牧草飼料作物的資源狀況及其開發(fā)利用途徑，生長(zhǎng)發(fā)育特性及其與環(huán)境條件和栽培條件的關(guān)系日日爱自拍com，土壤耕作无码少妇一区二区三区av、栽培措施和牧草特殊種植方法等農(nóng)藝豐產(chǎn)技術(shù)，生產(chǎn)流程中各個(gè)環(huán)節(jié)的經(jīng)營(yíng)管理與降低成本和增產(chǎn)增效的關(guān)系白白在线视频免费费观看，豆科牧草、禾本科牧草及其他種類飼料作物種和品種的生物學(xué)特性及其應(yīng)用特性和價(jià)值欧美韩一区。

Persistence of grazing mixed pasture has been a key issue in environment conservation and sustainable utilizing of resources in karst region. Under moderate grazing with Corriedale sheep, the productivity and botanical composition of Trifolium pratense mixtures were studied over a 20-year period in karst region of southwest China. Four mixtures consisted of Trifolium pr...

用考力代綿羊輪牧亚洲黄黄视频，在牧前和牧后草地現(xiàn)存量(干物質(zhì)，DM人人色人人射人人操，drymatter)分別為1800~2500(草層高15~18cm)和900~1200kg·hm-2(草層高3~5cm)的適度放牧利用條件下国产夫妻视频，對(duì)亞熱帶最常見的豆科牧草紅三葉與禾本科牧草的兩兩混播草地的群落生產(chǎn)力和持久性開展長(zhǎng)期研究。20年的結(jié)果表明：適度放牧利用下熟妇天天干视频，群落地上總生物量長(zhǎng)期穩(wěn)定久久国产亚洲欧洲一区二区，各組合間差異不顯著，總蓋度20a后仍高達(dá)97%以上人人操,人人舔人人干；適度放牧有利于牧草的生產(chǎn)力持久性男人天堂精品自拍，紅三葉、鴨茅免费狼友、多年生黑麥草和黑穗畫眉草都在群落中長(zhǎng)期存在在线加勒比无码专区；群落凈產(chǎn)量和持久性是尺度依賴的，群落長(zhǎng)期凈生產(chǎn)力以紅三葉+鴨茅的最高(DM產(chǎn)量353.3g·m-2·a-1)(P.05)99riAV日日久，對(duì)雜草侵入的抵抗力最強(qiáng)日韩人妻操操性生活，而前10a紅三葉+多年生黑麥草有很高的凈生產(chǎn)力DM產(chǎn)量449.8g·m-2·a在线美女永久免费网站。。自拍偷拍1页。

The pangola grass with different length was throwed by the free body falling method and the passing time was measured using two infrared ray sensors. The calculative terminal velocity V was calculated through the time and distance. The exeperimental terminal velocity V of grass with different length was measured by the floating method.

本研究之目的乃是以盤古拉牧草為研究對(duì)象日韩激情中文字幕在线看片，改變不同長(zhǎng)度的牧草莖，首先以自由落體法另类图片第一页，利用紅外線感測(cè)器量測(cè)出時(shí)間在线。中文字幕，藉由時(shí)間與距離之關(guān)系，代入公式得到計(jì)算終端速度av一本大道香蕉大在线app；其次以浮力法99这里99这里只有是精品，量測(cè)出不同長(zhǎng)度的牧草莖之實(shí)驗(yàn)終端速度。

The results show that NPP is larger in June and July than other growth periods, grass LAI and NPP change rapidly from May to June. Estimated error of 44 cases by the biomass model is less than 20%, which show that the biomass model is very good , the model can describe growing status. Photosynthesis and respiration are different because of different type grass , three types grass are more adaptive to desert environment and the biomass are also big, the grass types include Alhagi sparsifolia, Lycium ruthenicum and Reaumuria songarica. The grass biomass is influenced by many factors such as grass type, total cover and plant height et al.

結(jié)果表明国产精品久久人妻无码网站一区，2005年牧草生長(zhǎng)期內(nèi)NPP的變化基本是6国产一区色、7月份最大，其它月份較小亚洲特级黄色视频，5～6月份是牧草葉面積變化比較大的時(shí)期黄色免费的网视频，也是NPP變化比較顯著的時(shí)期；生物量模型估算得到的44個(gè)樣本的生物量誤差基本都小于20%亚洲骚B视频在线，說明模型能夠反映牧草的實(shí)際生長(zhǎng)狀況74色色网；不同荒漠牧草對(duì)光的利用能力和對(duì)CO2同化能力有很大差異，駱駝刺jizzwww、紅砂扁豆曰本熟妇不卡无码一、二区在线费看、黑果枸杞是荒漠牧草生物量較大的牧草類型；牧草類型人人草.com、牧草蓋度以及平均高度是造成不同牧草產(chǎn)量相差較大的重要原因亚洲毛片在线一区二区。

On the basis of clean cultivated Pasture of Perennial Lucerne and mixture pasture of perennial awnless brome and Lucerne, the effect of Pasture species and mixing method on Pasture drying rate was analyzed.

用多年生的紫花苜蓿單播草地牧草和多年生無芒雀麥與紫花苜蓿的混播草地牧草，研究牧草種類及調(diào)制方法對(duì)牧草干燥速度的影響www.超碰在线。

Uses method which the field investigation sample and the indoor analysis unify, 2007-2008 years live the unicast awnless brome lawn and the awnless brome and the alfalfa interlacing in the Inner Mongolian nationality university agriculture school test farm take 2 years mix broadcast the lawn and the colleague mix broadcast the lawn as the objects of study, have studied under the different sowing seeds way the forage grass to the soil physics and chemistry nature influence, finally indicated:the change tendency which under the different sowing seeds way increases the soil bulk specific gravity overall along with the soil layer depth to present after reduces first increases, is the 10-20cm soil layer is lowest; Looking from the 0-40cm soil layer's mean value, the unicast awnless brome lawn soil bulk specific gravity is smallest, the colleague mixes broadcasts the lawn soil bulk specific gravity to be biggest.

科爾沁草原是典型的農(nóng)牧交錯(cuò)地區(qū)婷婷网色色图，長(zhǎng)期以來，由于不合理利用草地資源造成該區(qū)生態(tài)環(huán)境嚴(yán)重惡化91国自精品九色，農(nóng)牧業(yè)生產(chǎn)受到嚴(yán)重影響[1]日韩aⅴ先锋影音资源网。建立高產(chǎn)優(yōu)質(zhì)的人工草地是解決我國(guó)高寒地區(qū)草畜供求季節(jié)不平衡的矛盾，促進(jìn)草地畜牧業(yè)持續(xù)發(fā)展的關(guān)鍵措施之一[ 2]国产ΑV天堂在线观看免费。無芒雀麥和紫花苜蓿都是營(yíng)養(yǎng)價(jià)值高亚洲欧美日韩另类、適口性好、抗寒抗旱能力強(qiáng)的多年生牧草五月婷综合色色色色色。將這兩種牧草混播不僅能提高牧草產(chǎn)量和品質(zhì)亚洲欧美黄色录像在线观看，延長(zhǎng)草地使用年限，還能改善牧草的營(yíng)養(yǎng)，提高牧草的適口性日日操人人干9197视频，有利于調(diào)制和青貯[3]欧美肥美性爱视频二区。

Expounded the biotic ecotype and nutrient analyses of cultivated leguminous grasses in Keeqin Meadow, scientific basis is provided for leguminous grasses' cultivatting widely and gilled s owing to build a good quality and high output grnssland.

本文著重對(duì)科爾沁草地適宜栽培的主要豆科牧草的生物生態(tài)學(xué)特性和飼用特性進(jìn)行了闡述與評(píng)價(jià)，并對(duì)主要豆科牧草營(yíng)養(yǎng)成分做了分析亚洲26UUU，為科爾沁草地大面積栽培及補(bǔ)播豆科牧草啊啊啊好大爽被插乱伦视频，建立高產(chǎn)優(yōu)質(zhì)人工草地，利用豆科牧草資源提供科學(xué)依據(jù)国产91精品专区。

It was very important to take the corresponding fertilization methods according to different forages, because of different characteristics among gramineous grass, leguminous grass and mixed grasses.

提出了禾本科牧草人人操日韩超碰、豆科牧草及混播牧草特點(diǎn)各異，針對(duì)不同的牧草采取相應(yīng)的施肥方法具有十分重要的意義欧美亚洲图片小说。

There were a great deal of kinds of the grass with high quality and quantity fed to fish To determine the best symbiosis ecosystem of fish and grass on a closed system circulated yearly, several cold and warm grass was selected to analyse the adaptability and nutrition absorbed. It indicted that Lolium multiform Lam. and lemarthria compressa were the best option due to high adaptability of wetness, high coarse protein, fat and fibre and so on in the leaf, high biomass, high bio-filtration effect of N and P, adaption to the low or high temperature, resist to the plant diseases and insect pests, and the food of fish whose forage was grass.

魚用優(yōu)質(zhì)高產(chǎn)牧草的種類繁多精品欧美一区综合在线，為確定最佳的魚草共生周年循環(huán)系統(tǒng)，本文選擇幾種冷季牧草和暖季牧草進(jìn)行生長(zhǎng)適應(yīng)性與營(yíng)養(yǎng)吸收研究国产精品强奸乱伦贵州，分析表明国产日韩精品一区二区久久，多花黑麥草和扁穗牛鞭草是最佳的冷季牧草和暖季牧草，它們耐水性強(qiáng)在线观看免费的黄色视频，葉片中所含的粗蛋白XNXX视频、粗脂肪、粗纖維等化學(xué)成分高草榴论坛最新地址，植株的生物量也高求手机在线看黄色视频的网站，生物過濾養(yǎng)殖廢水中的氮和磷效果好，而且可以適應(yīng)外界環(huán)境的低溫或高溫特级a爱片免费观看，抵抗病蟲侵害wwwzaixianavcom，同時(shí)為草食性魚類喜歡食用。

grass-seed：牧草種子

grass of meadow rue 唐松草 | grass seed 牧草種子 | grass seed drill 牧草播種機(jī)

residual herbage：剩余牧草[采摘后剩余的牧草]

residual effect 殘效 | residual herbage 剩余牧草[采摘后剩余的牧草] | residual hill 殘丘

fouled herbage：糞污牧草[在放牧地上家畜排出的糞便污染的牧草]

fouled 糞污的[放牧地被家畜糞尿所污染] | fouled herbage 糞污牧草[在放牧地上家畜排出的糞便污染的牧草] | foundation nursery 原種田

interplant：間作[作物或牧草行間播其他作物或牧草]

internode 節(jié)間 | interplant 間作[作物或牧草行間播其他作物或牧草] | interpolation 內(nèi)插法

Timothy：牧草

除豚草花粉外,對(duì)梯牧草(timothy),黑麥草(rye grass),百慕大草(bermudagrass),野茅草(orcharld grass)和莠類(weeds)等的花粉也進(jìn)行了較多的研究,已從梯牧草花粉浸液中純化出抗原A,抗原B和抗原D等20余種抗原成分,其中抗原B和抗原D的抗原性相似,

Timothy：梯牧草

加工商實(shí)施第三方檢驗(yàn)審定.CSGA是加拿大多種農(nóng)作物唯一的種子系譜認(rèn)證機(jī)構(gòu).某些高質(zhì)量的種子采用特殊的質(zhì)量保障和身份識(shí)別體系.加拿大人工草場(chǎng)種植了多種禾本科和豆科牧草及飼料作物,種類因地而異.禾本科牧草及飼料作物主要包括貓尾草(也稱梯牧草)(Timothy),無芒雀麥(Smoothbrome),

pasture crop：牧草作物

牧草地;牧場(chǎng);牧草 pasture | 牧草作物 pasture crop | 牧草地生態(tài)系 pasture ecosystem

forage grass：牧草

牧草:Forage | 牧草:Forage grass | 牧草:forage crops

forage grass：飼用牧草

forage fodder 草料 | forage grass 飼用牧草 | forage grasses 禾本科牧草; 牧草

cool-season forage grass：溫帶牧草;涼季牧草

"冷(性);冷度","coolness" | "溫帶牧草;涼季牧草","cool-season forage grass" | "箍桶;箍桶匠","cooper"