Results 21 to 30 of about 1,017,287 (303)

An investigation of the duration of phosphorous fertilization effects on phosphorous and nitrogen cycling patterns of Pinus elliottii plantations in the southern Cape [PDF]

open access: yes, 1992
Includes bibliographical references.The effects of phosphorus fertilization and its duration of impact on nutrient cycling patterns in Pinus elliottii plantations were investigated by examining soil phosphorus and nitrogen turnover and litterfall in a 8,
Wienand, Karen Tania
core   +1 more source

Demand for Nitrogenous Fertilizers and Fertilizer Price Policy in Pakistan [PDF]

open access: yesThe Pakistan Development Review, 1976
One of the major constraints to an increase in Pakistan's agricultural production is low fertilizer input. Despite spectacular growth of fertilizer con¬sumption during the '60s the rate of fertilizer application in Pakistan remains below the optimal rate [8, pp.77-90] and far below the rates in advanced countries [15, p. 24]. An
M. GHAFFAR CHAUDHRY, M. ANWAR JAVED
openaire   +1 more source

Nutrition Rather Than Phytohormone-Dependent Defense of Host Plant Mediates the Different Response of Red- and Green-Morph Pea Aphids to Nitrogen Fertilization

open access: yesAgronomy
Nitrogen fertilization is widely known to affect plant metabolism, which subsequently influences phytophagous insects through a bottom-up effect. The interplay between plants and insects is often overlooked in studies examining the effects of nitrogen ...
Shaoting Xu   +6 more
doaj   +1 more source

Effects of root interaction and nitrogen fertilization on the chlorophyll content, root activity, photosynthetic characteristics of intercropped soybean and microbial quantity in the rhizosphere

open access: yesPlant, Soil and Environment, 2013
A pot experiment using root separation technique was conducted to further understand the effect of root interaction played in intercropping system under different nitrogen levels.
X. Zhang, G. Huang, X. Bian, Q. Zhao
doaj   +1 more source

Phosphorus Fertilization Reduces Soil Microbial Necromass Carbon Content in Tillage Layer of Dry Farmland on Loess Plateau

open access: yesAgriculture
This study examines how nitrogen and phosphorus fertilization influence soil microbial necromass carbon (MNC) content of farmland on the Loess Plateau, central Gansu.
Xiaojiao Wang   +7 more
doaj   +1 more source

Yield of maize in an intercropping system with peanut under nitrogen fertilization [PDF]

open access: yesBrazilian Journal of Biology
Nitrogen fertilization can significantly enhance the productivity of maize and peanuts in an intercropping system. This study aimed to evaluate the impact of full, partial, or complementary substitution of nitrogen fertilization through intercropping ...
S. P. Gomes   +10 more
doaj   +1 more source

Effects of Nitrogen Fertilization and Irrigation on Soil Aggregation and Soil Organic Carbon in Winter Wheat Field

open access: yesGuan'gai paishui xuebao, 2022
【Objective】 Aggregation is an important soil health indicator modulating many soil functions including nutrient bioavailability and carbon sequestration. It is affected by a multitude of factors.
LI Caixia   +5 more
doaj   +1 more source

Different Responses in Root Water Uptake of Summer Maize to Planting Density and Nitrogen Fertilization [PDF]

open access: yes, 2022
Modifying farming practices combined with breeding has the potential to improve water and nutrient use efficiency by regulating root growth, but achieving this goal requires phenotyping the roots, including their architecture and ability to take up water
Liu, Zhandong   +13 more
core   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

Cultivation and Nitrogen Fertilization [PDF]

open access: yesJournal of Industrial & Engineering Chemistry, 1922
n ...
Noyes, H. A.   +2 more
openaire   +1 more source

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