男友太凶猛1v1高h,大地资源在线资源免费观看 ,人妻少妇精品视频二区,极度sm残忍bdsm变态

Top 10 emerging technologies of 2019

chinadaily.com.cn | Updated: 2019-07-09 06:40
Share
Share - WeChat

Smarter fertilizers

A farmer demonstrates the automated application of fertilizers on a field in northern Saxony supported by GPS navigation on June 17, 2019. [Photo/IC]

Much of the improvement in fertilizers over the years has been in enhancing their ability to slowly release nutrients as and when they are needed, but the drawback is that they still contain ammonia, urea and potash.

The latest versions of smarter fertilizers use more environmentally friendly sources of nitrogen, plus microorganisms that improve uptake by plants.

|<< Previous 1 2 3 4 5 6 7 8 9 10 11 Next   >>|
Top
BACK TO THE TOP
English
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
主站蜘蛛池模板: 铁岭县| 阿拉善右旗| 抚远县| 高密市| 米易县| 萨迦县| 洮南市| 黑山县| 河源市| 锦屏县| 阳江市| 丹东市| 铜川市| 万州区| 长葛市| 黎川县| 多伦县| 中宁县| 高州市| 开封县| 如皋市| 石景山区| 鱼台县| 龙川县| 临城县| 开远市| 博爱县| 佳木斯市| 油尖旺区| 武隆县| 廊坊市| 城口县| 本溪| 随州市| 泰来县| 马龙县| 通许县| 奇台县| 阳谷县| 昌平区| 宜黄县|