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)利用途徑宗合久网，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，土壤耕作a级黄片视频免费、栽培措施和牧草特殊種植方法等農(nóng)藝豐產(chǎn)技術(shù)你懂的福利，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，豆科牧草欧美视频在线视频免费观看免费观看免费、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)值在线免费视频91。

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av黄色免费观看，在牧前和牧后草地現(xiàn)存量(干物質(zhì)91超碰永久地址，DM，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亚洲免费黄色网站视频，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wwwcao。20年的結(jié)果表明：適度放牧利用下，群落地上總生物量長(zhǎng)期穩(wěn)定欧美在线黄片，各組合間差異不顯著日韩美女A片，總蓋度20a后仍高達(dá)97%以上；適度放牧有利于牧草的生產(chǎn)力持久性黑人一級黃片，紅三葉在线观看国产美女精品、鴨茅、多年生黑麥草和黑穗畫眉草都在群落中長(zhǎng)期存在字幕中文在线；群落凈產(chǎn)量和持久性是尺度依賴的色七七国产精品，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)，對(duì)雜草侵入的抵抗力最強(qiáng)三级全黄的视频在线观看不卡，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国产激情一区二区三区无码。。中文字幕第一页在线。

The results indicated that the concentration of N and Ca in legume forages were greater than that of grass forages.

結(jié)果表明伊人一区二区三区久久精品，豆科牧草氮和鈣的濃度顯著高于禾本科牧草精品国产三区。

Legumes, including Astragalus sinicus, Onobrychis viciaefolia, Lotus corniculatus, Coronilla varia, Melilotus officinalis and Medicago sativa, which were abundant in secondary metabolites, were used as raw materials to study the proper procedure for making full use of the total flavoniod and increase its economic additional value.

甘肅農(nóng)業(yè)大學(xué)，草業(yè)科學(xué)国产原创第一页，2008年精品一级在线免费，博士苜蓿、小冠花色五月开心天天、百脈根这里只有在线精品视频、紅豆草、鷹嘴紫云英久久综合国产精、白三葉国产午夜人做人免费视频、黃花草木樨等優(yōu)質(zhì)豆科牧草含有豐富的次生代謝產(chǎn)物。本文以這幾種豆科牧草為試驗(yàn)材料免费视频黄片，對(duì)其總黃酮和總皂苷的積累規(guī)律進(jìn)行了研究免费A级毛片中文字幕。

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)成分做了分析影音先锋每日全部新资源，為科爾沁草地大面積栽培及補(bǔ)播豆科牧草丁香五月婷婷激情五月天，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)欧美性爱激情图区。

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.

提出了禾本科牧草自拍日韩在线视频、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黄色视频观看免费。

Quality forage has much higher content of protein and lysine than conventional one. Generally, the content of protein in the gramineous is ranged from 13 percent to 15 percent and from 18 percent to 24 percent in the legume.

牧草蛋白質(zhì)含量和賴氨酸含量都比秸稈等傳統(tǒng)飼料高精品无码av无码专区，一般禾本科干草的蛋白質(zhì)含量為13%～15%，豆科牧草為18%～24%花蝴蝶视频在线观看，并且牧草中所含的蛋白質(zhì)更容易被家畜消化吸收国产盗摄Aⅴ一区二区。

Quality forage has much higher content of protein and lysine than conventional one. Generally the content of protein in the gramineous is ranged from 13 percent to 15 percent and from 18 percent to 24 percent in the legume.

牧草蛋白質(zhì)含量和賴氨酸含量都比秸稈等傳統(tǒng)飼料高，一般禾本科千草的蛋白質(zhì)含量為13%～15%亚洲日韩精品不卡在线，豆科牧草為18%～24%性色精品福利一区二区，并且牧草中所含的蛋白質(zhì)更容易被家畜消化吸收。

This article summarizes the researching evolu tion of the wild forage grass of leguminosae from both home and abroad, making a preliminary analysis of the issues on how to make use of it for comprehensive d evelopment and utilizations

摘 要：在對(duì)國(guó)內(nèi)外野生豆類牧草研究進(jìn)展進(jìn)行綜述的基礎(chǔ)上国产极品在线观看无码迅雷下载，對(duì)我國(guó)豆科牧草的劃分女人阴道口被插视频、營(yíng)養(yǎng)價(jià)值等進(jìn)行論述，初步分析了如何利用野生豆類牧草搞好綜合開發(fā)利用的問題

The 0-40cm soil layer soil mean value looked that mixes by the interlacing broadcasts the lawn soil ulmin, the alkaline hydrolysis nitrogen content to be highest; The fast-acting phosphorus, the fast-acting potassium are highest by the unicast awnless brome lawn content; The colleague mixes broadcasts lawn pH to be biggest.

無芒雀麥對(duì)土壤要求不嚴(yán)亚洲黄的全免费在线观看，耐貧瘠亚洲国产AV无码精品无广告、嚴(yán)寒，耐堿性也較強(qiáng)日韩欧美中文字幕免费第一页，需氮較多国产精品黄色视频一，適宜與紫花苜蓿、沙打旺十八岁以下禁看的黄片视频、野豌豆激情小说视频、百脈根无码黄片二三区、紅三葉等豆科牧草混播，借助豆科牧草固氮作用国产欧美日韩视频在线，促進(jìn)無芒雀麥良好生長(zhǎng)[4]日韩精品国内直播在线观看网站。本實(shí)驗(yàn)就是無芒雀麥單播草地和與紫花苜蓿混播草地對(duì)土壤理化性質(zhì)的影響進(jìn)行比較日本一区二区精品好黄。