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- Reserved detritus from previous crops covers and protects the seedbed. 保留前茬作物的残株碎片以保护苗床。
- Residues from herbicides applied to previous crops can sometimes be detrimental to soybean germination or growth the following year. 对前茬作物使用的除草剂的残效,有时对下一年的大豆萌发或生长有害。
- Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops. 肥料能提高土壤的肥力,或补充土壤中被以前作物吸收的化学元素。
- Most often, residual N from previous crops plus mineralized N from organic matter are sufficient to meet the early N requirements of legumes. 在大多数情况下,上季作物残留的氮加上由有机物分解的矿质氮就足够豆类作物早期生长的需要。
- Description : Maize growing though a previous crop residue under conservation agriculture. EPAGRI . 保护性农业中玉米在前茬作物覆盖下生长。
- Back then, Aeschliman would plow the fields before each planting, burying the residues from the previous crop and readying the ground for the next one. 那时艾胥里曼每次栽种前都会先犁田,把上一期作物收割后残留的枝叶埋起来,为即将种植的作物整好田地。
- Applying rice straw just before soil is flooded for rice transplanting (DFL) significantly enhanced CH4 flux by 3.04 times in 1996 and 7.12 times in 1997 compared with rice straw application just before the previous crop season (DFE). 与前茬季节前施用稻草(稻草早)相比;水稻移栽前施用稻草(稻草晚)的处理CH4排放量增加了3.;04(1996年)和7
- anything left from previous crops 前作残留
- Effects of Different Previous Crops to Degree of Lodging of Wheat 不同前茬对小麦倒伏度的影响
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- With the flow of movement of the tree found and the tree positioned in the composition correctly, the photograph looks correct. (Just compare the difference with the previous cropping). 找出盆景的动感流向,盆景在构图中的位置又恰当,那么整个界面看起来就舒服多了。
- The flood did a lot of damage to the crops. 洪水毁坏了大量农作物。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- They have no previous convictions. 他们没有前科。
- We've had no previous dealings with this company. 我们以前和这家公司没有商业往来。
- We have had the biggest wheat crop ever this year. 今年我们的小麦收获量是有史以来最好的。
- Autumn crops promised to be equally good. 秋季作物看来收成也会同样很好。
- Have you had previous career experience? 你过去有过工作经验吗?
- My mind flashed back to our previous meeting. 我又想起了我们上次会面时的情景。