Effect of current-season application of calcitic lime and phosphorus fertilization on soil pH, potato growth, yield, dry matter content, and cadmium concentration

SUMMARYA field study in India in 1987 evaluated the effects of flooding at either tillering (25 days after sowing) or flowering (50 days after sowing) or at both on growth, yield and mineral composition of Pennisetum americanum L. Leeke in a moderately sodic soil (pH 8·5, exchangeable Na 18%).Flooding for 1, 2, 4 or 6 days at tillering or flowering significantly reduced tillering, plant height, dry matter content, ear length and 1000-grain weight and resulted in a 6·3, 150, 21·6 or 26·6% reduction in grain yield, respectively. Flooding decreased oxygen diffusion rate, restricted root growth and decreased ion uptake, especially of N, P, K and Zn, and led to higher absorption of Na, Fe and Mn. The detrimental effects were greater when the crop was flooded at both stages.

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ẢNH HƯỞNG CỦA NỒNG ĐỘ Na2SO3 ĐẾN MỘT SỐ GIỐNG SẮN TRIỂN VỌNG TẠI THỪA THIÊN HUẾ

Tạp chí Khoa học và công nghệ nông nghiệp, Trường Đại học Nông Lâm Huế ◽

10.46826/huaf-jasat.v4n3y2020.502 ◽

2020 ◽

Vol 4 (3) ◽

pp. 2012-2019

Author(s):

Nguyễn Đình Thi ◽

Thái Thị Hồng Mỹ ◽

Lê Thị Hương Xuân

Keyword(s):

Ethanol Production ◽

Dry Matter ◽

Starch Content ◽

Growth Yield ◽

Matter Content ◽

Dry Matter Content ◽

Root Yield ◽

Yield And Quality ◽

Cassava Varieties

Nghiên cứu ảnh hưởng của các nồng độ Na2SO3 (0, 100, 300, 500 ppm) đến 03 giống sắn KM 94, KM 21-12 và KM 444 trong năm 2019 tại vùng sinh thái gò đồi thị xã Hương Trà, tỉnh Thừa Thiên Huế nhằm mục đích xác định ảnh hưởng và nồng độ Na2SO3 phù hợp cho cây sắn. Kết quả đạt được là: 1) Phun Na2SO3 ở các nồng độ thí nghiệm đã tăng sinh trưởng thân - lá - củ, năng suất, chất lượng củ và hiệu quả kinh tế của 03 giống sắn thí nghiệm. 2) Tại nồng độ phun Na2SO3 từ 300 đến 500 ppm, so với đối chứng giống KM 94 tăng năng suất thực thu 19,5 - 20,2%, tỷ lệ sắn lát đạt 40,9 - 41,1%, hàm lượng tinh bột đạt 29,3 - 30,2% và năng suất ethanol tăng 23,6 - 26,6%; Giống KM 21-12 tăng năng suất thực thu 15,1 - 18,6%, tỷ lệ sắn lát đạt 40,5 - 41,0%, hàm lượng tinh bột đạt 29,7 - 29,8% và năng suất ethanol tăng 21,6 - 25,8%; Giống KM 444 tăng năng suất thực thu 18,4 - 19,9%, tỷ lệ sắn lát đạt 40,6 - 40,8%, hàm lượng tinh bột đạt 30,3 - 30,9% và năng suất ethanol tăng 24,9 - 25,7%. ABSTRACT The study on the effects of Na2SO3 concentrations (0, 100, 300, 500 ppm) on 03 cassava varieties (KM 94, KM 21-12 and KM444) was conducted in 2019 in hilly ecological area of Huong Tra town, Thua Thien Hue province to determine the effect and suitable concentration of Na2SO3 for cassava. The results showed that: 1) Spraying Na2SO3 at a rate of 640 liters/ha with experimental concentrations increased stem - leaf - root growth, yield and quality of roots and economic efficiency of all of 03 cassava varieties. 2) Spraying Na2SO3 at concentrations from 300 to 500 ppm, compared with the control, KM 94 increased root yield of 19.5 - 20.2%, dry matter content reached 40.9 - 41.1%, starch content reached 29.3 - 30.2% and ethanol production increased by 23.6 - 26.6%; KM 21 - 12 increased root yield of 15.1 - 18.6%, dry matter content reached 40.5 - 41.0%, starch content reached 29.7 - 29.8% and ethanol production increased by 21.6 - 25.8%; KM 444 increased root yield of 18.4 - 19.9%, dry matter content reached 40.6 - 40.8%, starch content reached 30.3 - 30.9% and ethanol production increased by 24.9 - 25.7%.

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Above- and Belowground Plant Functional Composition Show Similar Changes During Temperate Forest Swamp Succession

Frontiers in Plant Science ◽

10.3389/fpls.2021.658883 ◽

2021 ◽

Vol 12 ◽

Author(s):

Yu-Kun Hu ◽

Xu Pan ◽

Xu-Yan Liu ◽

Zhi-Xi Fu ◽

Man-Yin Zhang

Keyword(s):

Functional Diversity ◽

Soil Ph ◽

Community Assembly ◽

Temperate Forest ◽

Dry Matter ◽

Fine Root ◽

Root Traits ◽

Matter Content ◽

Dry Matter Content ◽

Functional Composition

Plant functional composition, defined by both community-weighted mean (CWM) traits and functional diversity, can provide insights into plant ecological strategies and community assembly. However, our understanding of plant functional composition during succession is largely based on aboveground traits. Here we investigated community-level traits and functional diversity for six pairs of analogous leaf and fine root traits of understory plants in a temperate forest swamp during succession with a decrease in soil pH and nutrient availability. CWMs of traits related to resource acquisition (including specific leaf area, specific root length, leaf N, leaf P, root N, and root P) decreased with succession, whereas those related to resource conservation (leaf dry matter content, root dry matter content, leaf tissue density, leaf C, and root C) increased along the forest swamp successional gradient. Multi-trait functional dispersion (FDis) of both leaf and fine root traits tended to decrease along the successional gradient, but functional richness and evenness were highest at the middle successional stage. Moreover, FDis of individual plant traits except N showed the same pattern as multi-trait FDis. Soil pH and nutrient availability were the main drivers of successional changes in both CWM traits and FDis. The changes of community-level traits along succession indicated a shift from acquisitive to conservative strategy of understory plants during forest swamp succession. Similar trends in leaf and fine root functional diversity along succession may indicate above- and belowground functional diversity are coordinated during the processes of plant community assembly. These findings of linkages between above- and belowground plant functional composition have important implications for plant community dynamics and assembly rules.

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Effect of Nutrient Levels on Growth, Yield and Economics of Dolichos Bean (Dolichos lablab L.) in Northern Dry Zone of Karnataka, India

Legume Research - An International Journal ◽

10.18805/lr-4172 ◽

2020 ◽

Author(s):

Samapika Dalai ◽

R. Mulge ◽

C N Hanchinamani ◽

A B Mastiholi ◽

V Kantharaju ◽

...

Keyword(s):

Dry Matter ◽

Growth Parameters ◽

Block Design ◽

Growth Yield ◽

Maximum Growth ◽

Matter Content ◽

Cost Ratio ◽

Dry Matter Content ◽

Pooled Data ◽

Pod Yield

The field experiment was conducted at Kittur Rani Channamma College of Horticulture, Arabhavi, during 2016-17 and 2017-18 to investigate the effect of different levels of nitrogen (0 and 25 kg/ha), phosphorus (0, 50 and 75 kg/ha) and potassium (0, 25 and 50 kg/ha) on growth, flowering, yield and economics of dolichos bean. The experiment was laid out in factorial randomized block design comprising of eighteen treatments replicated thrice. Among indivisual NPK levels, the higher level of nitrogen (25 kg N/ha), phosphorus (75 kg P2O5/ha) and potassium (50 kg K2O/ha) recorded significantly maximum growth (plant height, number of primary and secondary branches, leaf area and dry matter content per plant at harvest), early flowering (except N2 level) and pod yield (162.32, 184.14 and 164.75 q/ha) as compared to lower levels in 2016-17 and 2017-18 growing seasons and pooled data. Similarly, amongst all NPK interaction levels, higher fertilizer dose of 25-75-50 kg N-P2O5-K2O/ha recorded significantly maximum growth parameters however, it was at par with 25-75-25 kg N-P2O5-K2O/ha except dry matter content per plant during both the experimental years. Pooled data followed similar trend. On pooled basis, recommended fertilizer dose (25-50-25 kg N-P2O5-K2O/ha) showed early days to 50 percent flowering whereas pod yield (198.44 q/ha) was recorded maximum at higher fertilizer dose (25-75-50 kg N-P2O5-K2O/ha). Similarly, in case of economics, higher fertilizer dose of 25-75-50 kg N-P2O5-K2O/ha recorded highest benefit: cost ratio (5.27) during both the experimental years as well as in pooled data but it was at par with 25-75-25 kg N-P2O5-K2O/ha. Hence, for profitable cultivation of vegetable type dolichos bean in northern transition zone of Karnataka, NPK fertilizer must be applied at the rate of 25-75-25 kg N-P2O5-K2O/ha.

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Effects of different fertilization practices on the growth, yield and dry matter content of carrot

Agricultural and Food Science ◽

10.23986/afsci.72284 ◽

1988 ◽

Vol 60 (2) ◽

pp. 135-152

Author(s):

Aino-Maija Evers

Keyword(s):

Dry Matter ◽

Field Experiments ◽

Soil Analysis ◽

Growth Yield ◽

Matter Content ◽

Dry Matter Content ◽

Split Application ◽

Single Application ◽

Carrot Root ◽

Npk Fertilizer

The effects of different fertilization practices on the carrot root and shoot dry weights, yield, dry matter contents and root/shoot ratio were studied in field experiments. Unirrigated and irrigated placement and broadcast fertilization, fertirrigations without basic fertilization, fertirrigations with basic fertilization, and PK placement with N fertirrigations were compared. In addition, split application was compared to single application of nutrients. The soil nutrient levels were studied by soil analysis. The carrot root and shoot samples were collected three times during the growing period. Cv. Nantes Duke Notabene 370 was grown. The carrot shoots reached their maximum weight already by three months, whereas roots grew slowly during the first two months but grew considerably during both the third and fourth month. The root and shoot dry weights were positively correlated at all sampling dates in both years ( r ≥0.77***), The big photosynthetizing apparatus caused the production of high root yield. The placement fertilization of granular NPK fertilizer increased the yield as compared to broadcast of granular NPK fertilizer (p = 0.009**). The yield was also increased by the placement of P and K as compared to treatments without placement fertilization of P and K (p = 0.03*). There was no difference in yields between single application and split application. Irrigation decreased the yield in 1985 (p = 0.03*). In 1986the yield was significantly higher than in 1985 (p = 0.000***). At harvest the fertilization did not affect the dry matter content of carrot roots when compared with unfertilized treatments. The difference in dry matter content was greater between years (p = 0.000***) than between fertilization practices (p = 0.05*). The treatment PK placement with N fertirrigations yielded carrots with a higher dry matter content than did the NPK fertirrigations treatments. Besides the fertilization experiment samples from two organically cultivated fields were collected to obtain data concerning organically cultivated carrots and soils.

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Effects of Nitrogen and Phosphate on Cenchrus Ciliaris at Ukiriguru, Western Tanzania

Experimental Agriculture ◽

10.1017/s0014479700005561 ◽

1973 ◽

Vol 9 (2) ◽

pp. 107-112 ◽

Cited By ~ 2

Author(s):

B. Walker

Keyword(s):

Soil Ph ◽

Crude Protein ◽

Dry Matter ◽

Matter Content ◽

Nitrogen Level ◽

Dry Matter Content ◽

Dry Matter Yield ◽

Cenchrus Ciliaris ◽

Top Soil ◽

Western Tanzania

SUMMARYAt Ukiriguru, Western Tanzania, three experiments over 4 years investigated the effects of nitrogen (up to 240 kg. N/ha.) and phosphate (up to 50 kg. P/ha.) on a Cenchrus ciliaris pasture. Dry matter yield increased with up to 160 kg. N and dry matter content also increased with nitrogen, whereas crude protein contents were initially lowered and then increased by the higher rates of nitrogen. These differences are attributed to changes in the leaf/framework ratio. The crude protein yield increased with each nitrogen level. Sulphate of ammonia markedly lowered the soil pH. The only responses to phosphate were when it was cultivated into the top soil, when there was a small increase in yield and a fall in crude protein.

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Effects of high levels of fertilizer on yield of potatoes grown for ware

The Journal of Agricultural Science ◽

10.1017/s0021859600026022 ◽

1970 ◽

Vol 75 (1) ◽

pp. 37-40 ◽

Cited By ~ 1

Author(s):

J. B. A. Rodger ◽

G. M. Robertson

Keyword(s):

Soil Ph ◽

Dry Matter ◽

Common Scab ◽

Matter Content ◽

Dry Matter Content

SUMMARYNine experiments in the East of Scotland were completed in the years 1966, 1967 and 1968 to test the response of potatoes grown for ware to five levels of a 15½–15½–21 fertilizer applied at rates of 0, 4, 8, 12, 16 and 20 cwt per acre.1. Mean yield of ware tubers increased up to the highest fertilizer level.2. Mean yield of small tubers increased only up to the 8 cwt per acre level and then declined.3. Dry matter content of ware tubers decreased with increasing levels of fertilizer.4. Increasing fertilizer levels lowered soil pH. At one site this was associated with a significant reduction of common scab on the tubers.

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Traits including leaf dry matter content and leaf pH dominate over forest soil pH as drivers of litter decomposition among 60 species

Functional Ecology ◽

10.1111/1365-2435.13413 ◽

2019 ◽

Vol 33 (9) ◽

pp. 1798-1810 ◽

Cited By ~ 1

Author(s):

Jianping Tao ◽

Juan Zuo ◽

Ze He ◽

Yuping Wang ◽

Jinchun Liu ◽

...

Keyword(s):

Forest Soil ◽

Litter Decomposition ◽

Soil Ph ◽

Dry Matter ◽

Matter Content ◽

Dry Matter Content ◽

Leaf Dry Matter Content

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Climatic Factors and Potato Growth

Experimental Agriculture ◽

10.1017/s0014479700100092 ◽

1966 ◽

Vol 2 (2) ◽

pp. 129-137 ◽

Cited By ~ 1

Author(s):

E. G. B. Gooding

Keyword(s):

Dry Matter ◽

Climatic Factors ◽

Inverse Correlation ◽

Matter Content ◽

High Yield ◽

Dominant Factor ◽

Dry Matter Content ◽

High Rainfall ◽

High Dry Matter ◽

Potato Growth

SummaryIn connection with the processing of potatoes grown at Tarland, Aberdeenshire, certain field data were obtained over a period of eight years. It was found that the yield per acre was inversely correlated with rainfall and positively correlated with sunshine for the period May to September; the indications were that the period May to July was more important in this respect, high rainfall and low sunshine during this period depressing the crop more than high rainfall in the August to September period. It has been possible, statistically, to separate the effect of rainfall from that of sunshine (and temperature), and an analysis shows that sunshine (or temperature) is die dominant factor. The number of tubers produced was greatest in those years when sunshine was high and rainfall low. The dry matter content of die tubers was also highest when the sunshine was high and the rainfall low, the closest inverse correlation being with the rainfall for the month of August. The combination of high yield of potatoes and high dry matter content meant that the actual food produced was highest in the drier, more sunny, years.

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Optimum harvest date of maize for biogas and silage purposes

Acta Agronomica Hungarica ◽

10.1556/aagr.57.2009.2.3 ◽

2009 ◽

Vol 57 (2) ◽

pp. 119-125

Author(s):

G. Hadi

Keyword(s):

Dry Matter ◽

Biogas Production ◽

Weather Conditions ◽

Vegetation Period ◽

Dry Mass ◽

Matter Content ◽

Harvest Date ◽

Dry Matter Content ◽

Dry Matter Yield ◽

Vegetative Organs

The dry matter and moisture contents of the aboveground vegetative organs and kernels of four maize hybrids were studied in Martonvásár at five harvest dates, with four replications per hybrid. The dry matter yield per hectare of the kernels and other plant organs were investigated in order to obtain data on the optimum date of harvest for the purposes of biogas and silage production.It was found that the dry mass of the aboveground vegetative organs, both individually and in total, did not increase after silking. During the last third of the ripening period, however, a significant reduction in the dry matter content was sometimes observed as a function of the length of the vegetation period. The data suggest that, with the exception of extreme weather conditions or an extremely long vegetation period, the maximum dry matter yield could be expected to range from 22–42%, depending on the vegetation period of the variety. The harvest date should be chosen to give a kernel moisture content of above 35% for biogas production and below 35% for silage production. In this phenophase most varieties mature when the stalks are still green, so it is unlikely that transport costs can be reduced by waiting for the vegetative mass to dry.

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