Chloral content in phosphate fertilizer must be controlled under crop's critical dosage and assist fertilizer

廢酸磷肥中的三氯乙醛含量必須控制在作物臨界劑量以下在线免费观看H片，并應采取適當施肥方法成年片精品视频网站在线观看网址。

On this basis a new fertilizing method of camphor was recommended to provide for treating and preventing of chlorosis camphor.

據(jù)樟樹缺鐵黃化葉片營養(yǎng)狀況年周期變化規(guī)律提出施肥建議在线A视频一级视频免费观看，為預防和治理樟樹黃化提供新的依據(jù)一个色A片网、。

The results also suggested that the reason of chlorosis is mainly due to nutrient imbalance between N, P, K and Fe in soil.

果園土壤施肥量增大，導致氮磷鉀等養(yǎng)分與鐵比例失調(diào)是近年來黃土地區(qū)果樹黃化加重的重要原因中国AAAA片爽快免费。

Christiansen uniformity coefficient was used in this article.

噴灌均勻系數(shù)是噴灌系統(tǒng)設計的重要參數(shù)欧美日韩AⅤ不卡在线，而噴灌灑水與施肥的均勻性對作物產(chǎn)量的影響是確定均勻系數(shù)設計值的重要依據(jù)。

The population of coliform was also closely related to fish production,but not to the total amount of fertilizer applied .

大腸菌群數(shù)量與魚產(chǎn)量相關顯著富婆按摩高潮对白在线观看，與總施肥量相關不顯著国内自拍视频在线播放A，但與有機肥施用量相關極顯著。

The agriculture soils of Baimahu ,Lushan and Zoujiao are the typical cases in the suburbs of Changde. Rice soil and vegetable plot are the two typical agriculture soils, we collected 6 samples according to the scientific method in these three areas. After air dry, contuse, screen and make soil samples, we tested their 9 indexs of PH, organic-substance, total phosphorus, quick-acting phosphorus. Then analysed the fertility condition of these areas. Then apply feasible suggestion of fertilizer after putting forward science and suiting measures to local conditions etc, by Compare with the documents and materials. Absorb to Model TAS-986 atom spectrophotometer examine with flame law (air - acetylene ) terms of potassium make deep discussion especially.

白馬湖老师成人痴汉在线视频，蘆山鄉(xiāng)和陬郊的耕作土壤是常德市郊區(qū)耕作土壤的典型代表国产一级黄色录象，在這三個地區(qū)分別就水稻土和菜地這兩個基本的土地耕作類型按科學的方法共采集了6個樣品，經(jīng)過風干欧美日韩色一区二区三区视频，研碎久久久久精品三级三级，過篩制成土樣后在线高清无码黄片，測定了它們的PH性爱小视频欧美，交換性酸，有機質(zhì)999国产精品欧美久久久久久，全磷十八黄色网站，速效磷等9指標，從而對該地區(qū)耕作土壤肥力狀況進行分析一级A片免费在线，對比文獻資料日本黄页网站免费观看，總結分析結果，針對不同地區(qū)不同的土壤狀況，提出了科學施肥欧美老妇乱又伦A片，因地制宜等可行性建議欧美在线精品免费AAA片，尤其是對TAS—986型原子吸收分光光度計用火焰法測鉀的條件作了深入的探討。

The result of the ecology survey shows that the water circulation between the algae pond and the culture pond can control the content of chlorophyll a and increase the dissolved oxygen in the culture pond. The growth rate of Corbicula fluminea cultured in the water saving system is faster than that cultured in the common system.

結果顯示節(jié)水養(yǎng)蜆池黄色网站一二三四五六，利用施肥產(chǎn)生藻水的肥水池配合養(yǎng)蜆的養(yǎng)殖池的部分水體循環(huán)交換91在线精品免费一区欧美，確實可以顯著地達到控制水中葉綠素a含量與適當透明度、并有增加水中溶氧及促進池蜆的成長效果久久器只，若管理良好時并有促進水質(zhì)特別是營養(yǎng)鹽的凈化作用欧美日韩视视频免费午夜在线观看。

There was no fertilizer application for the mung bean and the mucuna cover crop.

12個處理為完全隨機區(qū)組設計，3次重復美女黄网址，種植方式為旱稻-花生-綠豆或黎豆大胆殴美视频一区，其中綠豆或黎豆不施肥。

Ammonia gas released by fertilized cropland is a cause of air pollution , the .

施肥后的農(nóng)田釋放的氨氣是空氣污染的一個因素久久99视频只有这里精品。

The integration and cross-fertilization of real-time and fault-tolerance issues have brought newinsights in recent years, and these are presented in this book.

在一體化和跨實時施肥和故障容錯問題帶來了近年來newinsights91偷拍超碰，而這些在本書中提出的。