成功的牧草作物種植規(guī)劃設(shè)計(jì)-資料下載頁(yè)
2025-01-20 05:46本頁(yè)面
【正文】 ? Aggressive in very firm seedbeds 侵入非常堅(jiān)實(shí)的苗床 Companion Crop Options 保護(hù)作物的選擇 ? No Companion Crop無(wú)保護(hù)作物 – may obtain 12 cuts in the seeding year一年可刈割 12次 – seedlings more exposed to wind, soil crusting, weed petition種子暴露于風(fēng)、土壤板結(jié)及雜草的競(jìng)爭(zhēng) ? Companion Crops(petition) 有保護(hù)作物 – Cereals: wheat, oats, barley, fall rye??谷物：小麥、燕麥、大麥急秋黑麥 – Canola, flax油菜、胡麻 – Warm season annuals eg: millet – 暖季一年生作物：如小米 Companion Crop Management 保護(hù)作物的管理 ? Companion crops will provide protection for new seedlings from wind, soil crusting, drying 保護(hù)作物保護(hù)幼苗免受風(fēng)吹、 土壤板結(jié)及干旱 ? Reduce seeding rate減少幼苗 – 3050% of normal通常的 3050% ? Remove at heading (forage) to limit petition 割去頂端以減少競(jìng)爭(zhēng) ? Select a panion crop that will minimize petition 選擇競(jìng)爭(zhēng)小的保護(hù)作物 Some Reasons for Poor Stands建植差的原因 ? Seeding too Deep 種植太深 ? Poor seed bed, uneven germination 種床差、萌發(fā)不均 ? Weed Competition ?雜草競(jìng)爭(zhēng) ? Thick Cover Crop ?作物覆蓋過密 ? Herbicide Injury ?除草劑傷害 ? Poor quality seed ?種子質(zhì)量差 Other things that can go wrong? 其它可以出錯(cuò)的事情 ? No nodulation 沒有根瘤菌 ? Grazing too early 過早放牧 ? Soil crusting 土壤板結(jié) ? Drought 干旱 ? Winter kill 不能越冬 ?一個(gè)好的種草項(xiàng)目是從土壤測(cè)試開始的 Forage Establishment 種植牧草 Green Gold 綠色黃金
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