Growth of the soil
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By reviewing worldwide literature, this paper aimed to systematically collate available information about the species Cunninghamia lanceolata. Based on the findings of the review, including the species’ floral characteristics; updated distribution; historical knowledge and heritage; growth and factors influencing its forests; soil nutrition and microbes; carbon storage; wood; and chemicals and essential oils, we have identified issues for consideration regarding the use of this species for big timber production in Vietnam.
11p chauchaungayxua12 09-07-2021 7 1 Download
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This study aims to assess the effect of three plant growth regulators, naphthyl acetic acid (NAA), indole-3-acetic acid (IAA), and indole-3 butyric acid (IBA), on the root formation of Actinidia latifolia cuttings. At the same time, seed germination and the effect of different soil and coir mixtures on the growth of kiwifruit seedlings were tested in the nursery.
11p nguaconbaynhay10 19-02-2021 20 3 Download
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Water stress periods are common in rainfed agriculture therefore the activities aimed at conserving the rainwater should be adopted for improving the productivity of dryland crops. The major crops in Vidarbha region of Maharashtra are cotton, soybean and sorghum. It was observed that the drought situation may arise during crop growth period which may result in partial failure of crops. It was therefore felt worthwhile to adopt the proper methods of in-situ moisture conservation so as to partially meet out the adverse effect of water stress in standing crop.
8p gaocaolon9 22-12-2020 20 3 Download
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This paper presents the experimental results of the effect of microorganism fertilizer (MF) on growth, yield and accumulation of Cu in lettuce grown on soil contaminated by Cu. The results show that applying MF on soil that has a Cu content of 17.03-106.4 ppm has a positive affect on the height, fresh weight, total chlorophyll content and catalase activity of lettuce grown on that soil.
8p tamynhan9 02-12-2020 21 2 Download
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Copper and zinc are also toxic to humans when high levels are ingested and an excess of copper and zinc interferes with plant growth. It is important to monitor copper and zinc content in soil to avoid marketing food products which contain dangerous amounts of these heavy metals. This article presents the results of a study done to determine the copper and zinc content of soil and four agricultural products grown in Tan Lap Co-operative, Dan Phuong District, Hanoi.
6p tamynhan8 04-11-2020 15 1 Download
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Environment degradation is the major threat confronting the world and rampant use of chemical fertilizer contribute largely to the deterioration of the environment. Soil fertility highly affected due to imbalance use of fertilizers that has deep impact on productivity and soil degradation. This study gives an idea to identification of effects of variable diet on growth and reproduction of Eisenia fetida which leads to enhancement of soil quality.
7p nguaconbaynhay6 24-06-2020 14 1 Download
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A Field experiment was conducted at college form, agricultural college bapatla in clay loam soils during Rabi 2013-14 to study the effects of Ethrel, kinetin and boron foliar application on physiology of growth, development and yield of chickpea (Var. KAK 2) in randomized block design with eight treatments viz., 250ppm Ethrel at 25 DAS (T1), 10 ppm kinetin at 35 DAS (T2), 0.25% boron at 45 DAS (T3), 250 ppm Ethrel at 25DAS + 10 ppm Kinetin at 35DAS (T4), 10 ppm Kinetin at 35DAS + 0.25% boron at 45 DAS (T5), 250 ppm Ethrel at 25DAS + 0.
8p gaocaolon5 14-06-2020 23 2 Download
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There are two plant phosphorus (P)-uptake pathways, namely the direct P uptake by roots and the indirect P uptake through arbuscular mycorrhizal fungi (AMF). Maximizing the efficiency of root and AMF processes associated with P acquisition by adjusting soil conditions is important for simultaneously ensuring high yields and the efficient use of available P.
10p vishikamaru2711 29-04-2020 17 1 Download
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In the present investigation, bacterial species such as E. coli, S. aureus and S. bongori were isolated from soil by using serial dilution. Bioremediation results showed the S. aureus was highly efficient on Diazinon removal by 62%, 63.2% and 68.6%, Pirimicarb removal was 44%, 52.4% and 53.8%, and Atrazine removal was 61%, 65.6% and 70.6%. and the efficiency of E. coli removal on Diazinon was 59%, 60.8% and 63.8%; on Pirimicarb was 44%, 52.4% and 53.8%; and for Atrazine 57%, 60.8% and 64.4%. S. bongori efficiency on Diazinon was 49%, 51.2% and 55.8%; on Pirimicarb removal was 61%, 63.
8p caygaocaolon4 04-04-2020 23 2 Download
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The field experiment was conducted to study microbial product and urea effects in decomposing rice straw on the growth and yield of rice grown in acid sulfate soils in a three rice cropping system, at Tam Nong district, Dong Thap province, in the Autumn-Winter crop of 2016. The experiment was carried out in factorial design with 2 factors in randomized complete blocks with 3 replications.
8p slimzslimz 08-12-2019 33 0 Download
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"phúc lành của đất" của tác giả knut hamsun phần 1 "...con đường trải dài qua những truông hoang rồi ngược vào rừng – ai là người mở lối đầu tiên... hẳn là nàng có thể sinh con cho tới quá năm mươi; hiện tại, có lẽ nàng đã gần bốn mươi...". mời các bạn cùng đón đọc.
305p truongtien_02 01-03-2018 48 3 Download
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nối tiếp phần 1 của "phúc lành của đất". phần 2 từ "sellanraa không còn là một mảnh đất hiu quạnh giữa chốn hoang vu; có nhiều người sống ở đây, lớn nhỏ bảy người tất cả... nếu anh chết thì đó sẽ là một cảnh tượng tuyệt vời...". mời các bạn cùng đón đọc.
241p truongtien_02 01-03-2018 36 3 Download
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Microbial biomass formation on root surfaces can be measured in plants growing in solution with or without an inert solid support. Carbon flow to the biomass can be measured by growing plants in solution or soil on a continuous source of 14C02 and the expected biomass formation predicted. The lack of correlation between measured and predicted biomass can be explained by oligotrophic growth of the micro-organisms.
501p maket1311 16-10-2012 98 21 Download
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Biofertilisers are defined in this application as microbial inoculants, isolated from soil or the rhizosphere of plants, assisting the mobilisation of soil nutrients such as N and P and others in the plant rhizosphere and thus promoting the growth rate and yield of plants. Successful biofertilisers can contribute to increases in food production in a highly sustainable manner, with economic and environmental advantages.
12p tam_xuan 02-03-2012 56 3 Download
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Trees as high as 25 - 30 m, small branches, self-pruning well, easy to grow by seed, long life, nitrogen fixation. Can grow on various soils, including poor soils, poor drainage. Grows fast, high-speed growth in the first few years. Song on a place if planted several consecutive cycles can lead to poor potassium and magnesium in the soil. Pit wood, pulp (wrapping paper), chipboard and wood stem as well due to the high heat of coal. In silvicultural crops used as the supporting soil improvement, shade....
9p xau_la 10-02-2012 44 4 Download
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Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Effect of soil temperature upon the root growth and mycorrhizal formation of white spruce (Picea glauca (Moench) Voss) seedlings grown in controlled environments...
4p toshiba9 12-10-2011 54 3 Download
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Tham khảo luận văn - đề án 'báo cáo lâm nghiệp: " influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of carpathian birch (betula carpatica w. et k.) and soil chemistry in the air-polluted jizerské hory mts."', luận văn - báo cáo phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả
11p toshiba4 13-09-2011 75 4 Download
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không có diference đáng kể giữa các cấp phân bón đã được quan sát. Sự hấp thu và còn lại của dinh dưỡng không khác biệt đáng kể giữa các cấp phân bón đó có nitơ và kali cùng cấp. Việc còn lại của...
6p phalinh2 01-07-2011 80 2 Download
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Microbiology and Laboratory Diagnosis These organisms are non-acid-fast, catalase-positive, aerobic or facultatively anaerobic bacilli. Their colonial morphologies vary widely; some species are small and α-hemolytic (similar to lactobacilli), whereas others form large white colonies (similar to yeasts). Many nondiphtherial coryneforms require special medium (e.g., Löffler's, Tinsdale's, or telluride medium) for growth. Epidemiology Humans are the natural reservoirs for several nondiphtherial coryneforms, including C. xerosis, C. pseudodiphtheriticum, C. striatum, C.
5p colgate_colgate 21-12-2010 85 4 Download
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Chapter 14 Biomass Chronosequences of United States Forests: Implications for Carbon Storage and Forest Management Forest Management and Carbon Sequestration Forests account for a large fraction of the carbon stored in global soils and vegetation (Dixon et al. 1994).
41p mama15 15-10-2010 57 6 Download