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苜蓿是我們普通所稱的草頭,也叫金花菜,它的植物拉丁名爲 Medicago Denticulata willd,英文名爲 Alfalfa,屬於豆科的一種野生草本植物。普通用來作家畜的飼料或在土壤學上用以保持土壤,充作肥料。它生長的季節是從第一年九月到第二年六月。因爲是野生,所以在很多空場路旁觸目皆是。植棵矮,俯伏在地面,葉黄綠色,開黄花,此或就是金花菜命名的由來。根爲直根而有多數鬚根,莖多分支,葉分三片,呈鼎足狀,爲心形。心形尖頂連於葉柄頂處,故葉端凹進。花自葉腋處長出,爲環旋狀果實,環生在花下。普通與此種相彷的有白三葉草(Trlfomium Repens.L.),開白花,植棵叢生密集爲球形,高七八寸,葉子大而圓,亦爲三片,上有白斑,花白色。此外尚有紅三葉草(Trifomium palense L.),亦是三片葉子,開紅花。苜蓿是豆科植物,能固定空氣中的氮,每畝每年可産生約三十四斤氮。且其耐寒力强,所以容易
Medicago sativa, commonly known as the weed head, also known as the cauliflower, its Latin name is Medicago Denticulata willd, the English name Alfalfa, a leguminous species of wild herbs. Commonly used to feed livestock feed or in soil science to maintain the soil, as a fertilizer. It is growing season from the first year in September to the second year in June. Because it is wild, so in many empty road appearances are. Planting dwarf, prostrate on the ground, leaves yellow-green, open yellow, or this is the origin of the name of the ginned cabbage. Roots for the root and most of the fibrous roots, stems and more branches, leaves divided into three, was tripod-like, heart-shaped. Heart-shaped spire connected to the top of the petiole, so the leaf end concave. Flowers grow from the leaf axils, for the ring-shaped fruit, annulus under the flowers. Common with this kind of white clover (Trlfomium Repens.L.), Open white flowers, planted crowded clusters of spherical, seven seven-inch high, leaves large and round, also three, there are white, white flowers. There are also red clover (Trifomium palense L.), also three leaves, saffron. Alfalfa is a legume that secures nitrogen in the air and produces about 34 pounds of nitrogen per mu per year. And its strong cold, so easy