An in situ field experiment with lysimeter was conducted to study the effects of different fertilizations on the nutrient leaching loss from brown soil in the growth season of summer maize.

利用排水采集器法結(jié)合田間原位試驗(yàn)717午夜理论电影网，研究了夏玉米不同施肥處理對(duì)棕壤土養(yǎng)分淋失的影響。

Every day I will be watering and fertilizing for the maidenhair, maidenhair grow up and look forward to!

每天我都會(huì)為孔雀草澆水施肥女性福利网址，盼望著孔雀草快快長大亚洲青涩视频十区！上一篇文章：老師，要會(huì)享受生活演講稿

Under consecutive rice cropping, the rate of nutrient depletion in manorial deficiency plots depended on soil nutrient status before experiments and rice varieties cultivated.

在種植水稻的養(yǎng)分管理中国产一级毛片又粗又黄又硬，必須考慮種植前的土壤養(yǎng)分狀況以及施肥和種植不同水稻品種對(duì)土壤養(yǎng)分平衡的中長期效應(yīng)日韩裸体自拍视频网站免费观看网址。

I know what I am to her, money to manure her father's land with.

我知道我對(duì)她意味著什么，只不過是給她父親田地施肥的錢免费在线黄视频播放。

I saw many people spreading manure in the fields.

我看見許多人在地里施肥日韩久久无码AV毛片。

Could you help me manure this field?

你能幫我給這塊田施肥嗎？

In case of the actuality about how to treat rubbish,it introduces the viewpoint of producing marsh gas by using municipal organic rubbish and the scheme of removal of heavy metals from municipal sludge.

文章在垃圾處置的現(xiàn)狀基礎(chǔ)上无毒国产水多视频在线，提出利用城市有機(jī)垃圾產(chǎn)沼氣久久亚洲精品无码福利播放，沼渣去除重金屬后用作農(nóng)作物施肥的設(shè)想及基本方案，并建議回收利用重金屬資源国产白嫩在线观看视频。

Then, approximately 15 months after pollination, archegonia, usually two or three in number, differentiate at the micropylar end of the megagametophyte, and the stage is set for fertilization.

然后乱伦网站97， 在授粉后 15個(gè)月大約， archegonia欧美三级片又粗又长，通常二或三在數(shù)字中99re视频这里只有精品在，在 megagametophyte 的 micropylar 結(jié)束區(qū)別，而且階段為施肥被設(shè)定国内偷拍人妻。

In order to understand the effect of fertilizer and plant on the microflora remediation in mercury polluted soil, fertilizing and cropping experiments, together with modeling cultivation treatments conditioned non- fertilizing and non-planting, were conducted in a neutral purple soil dressed with different rates of mercury chloride.

以中性紫色土為材料免费一级久久黄色视频，通過向土壤添加氯化汞的模擬培養(yǎng)試驗(yàn)、施肥試驗(yàn)以及作物栽培試驗(yàn)久久99精品这里精品,9，研究了汞對(duì)土壤中微生物區(qū)系和重要微生物生理群繁育的毒害效應(yīng)。

Apply a balanced fertilizer, such as 8-8-8 NPK, in midwinter, then every three months.

采用平衡施肥技術(shù)网站视频你懂的，如氮磷鉀男孩亚洲色图欧美色图日本，在隆冬，此后每3個(gè)月人人色人人橾人人色人人橾。