On very poor soils, band placement of phosphate produces larger yields and makes more efficient use of the fertilizer . 在很瘠薄的土壤上，磷肥做带状施用可以提高肥料的效用而获得增产。
2.
He worked hard to produce good crops from poor soil 他辛勤耕作,为使瘠薄的土地上长出好庄稼
3.
He worked hard to produce good crops from poor soil 他辛勤耕作,为使瘠薄的土地上长出好庄稼
4.
And what the land is , whether it be fat or lean , whether there be wood therein , or not 20又看那地土是肥美是瘠薄，其中有树木没有。
5.
Planting grasses and raising livestock is suitable in poor - land area in hilly mountainous region in middle of inner mongolia 内蒙古中部丘陵山区土壤瘠薄地区只宜种草养畜
6.
These herbages are of importance in the transformation of farmlands into forestlands and grasslands because of their drought resistances , barrenness tolerance , high yield and high quality 鉴选出的良种牧草抗旱、耐瘠薄、优质、高产，在坡地退耕还草中有重要意义。
7.
For the limited soil resources , we should improve the fertility by the way of reclaiming the lands with high fertility , green manure or burning the grass on waste land , reclaiming sandy lands , and increasing applications of fertilizers and manures ( 4 )农牧交错带土壤瘠薄，农牧民便采取开垦土壤肥力高的土地、沤肥或烧荒、倒沙种田、增旋肥料等措施提高耕地的肥力。
8.
The paper consists of five sections : ( 1 ) introduction ; ( 2 ) the current situation , advantages and disadvantages of gaoqiao region ' s agricultural economy development ; ( 3 ) the leading industry of gaoqiao region ' s agricultural economy development : grass - animal industry ; ( 4 ) the strategy choice for grass - animal ecological agriculture pattern of gaoqiao region ; ( 5 ) the guarantee measures of gaoqiao region ' s grass - animal ecological agriculture pattern 高桥试区农业经济发展的劣势有： ( 1 )水土流失严重，土地瘠薄，生态环境恶劣； ( 2 )水资源贫乏，气候干旱，极大限制了农作物的生长潜力； ( 3 )文化教育事业落后，科技人才奇缺，群众文化水平低； ( 4 )经济基础薄弱，农业投入严重不足； ( 5 )交通不便，信息闭塞，市场狭小，商品经济落后； ( 6 )产业结构单一，小生产与大市场相悖。
9.
The root system of malus toringoides is so developed that it can grow on prior soil and in cracks of rock . like malus transitoria , malus toringoides tolerant to draught and can grow on sunny dry slope , rocks of steep cliffs , barren stone area , roadsides and field sides . malus toringoides was also adapted to habitat shade and can grow normally gorges of hill , and even on sides of brook and river , where water often attack on 变叶海棠根系发达，能穿透坚硬的土层和岩石裂缝，它具有喜光耐旱的特点，在阳坡、凸坡、悬崖峭壁、瘠薄坚硬的石谷子地、道路两旁和农耕地边都能正常生长，与花叶海棠近似；变叶海棠也具有喜湿耐阴的特点，在深山峡谷、甚至在根系长期经受洪水侵袭的溪边、河岸也能正常生长，与陇东海棠近似。
